If after the three retries the Unit Controller will lockout heating and cooling operation. EMISSIONS, CONNECTICUT, DELAWARE, MAINE, MARYLAND, MASSACHUSETTS, NEW JERSEY, NEW YORK, OREGON, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WASHINGTON STATE REQUIREMENTS ; ENGINE, 3.6L V6, SIDI, DOHC WITH VARIABLE VALVE TIMING (VVT) and Active Fuel Management with Stop/Start (308 hp [229 kW] @ 6600 rpm, 270 lb-ft of torque [366 N-m] @ … The display will show a value of 40.0° F. The return air temperature input is at RAT+ and RAT- of the P11 connector. Zone This menu displays all the current values for either GMC Certified Pre-Owned Details: * Roadside Assistance * Powertrain Limited Warranty: 72 Month/100,000 Mile (whichever comes first) from original in-service date * Warranty Deductible: $0 * Transferable Warranty * 172 Point Inspection * Limited … Walk through the following furnace and air conditioning troubleshooting steps to diagnose and address the most common HVAC system issues. This alarm indicates there was a call for supply fan operation and after 90 seconds of supply fan operation the switch did not close. © 2020 Johnson Controls. Compressor system 2 (compressors 2a, 2b) locked out on low pressure control. All the stages of heating have been on for 10 or more minutes. serial number, and reset lockout (ResetLO). If your home comfort system isn't operating the way it used to, there are a few things you can check before calling for service. Many of the failures of modern furnaces can be traced to simple maintenance. If the voltage input does not return in 5- minutes the control will turn on the alarm. The control will fl ash the alarm but allow the unit to operate normally. I had a no cooling call this evening at a bar. the control will shut down until the voltage rises above 19.2 vac. The control monitors the limit switch status for each of the heating sections installed. The outdoor air damper is not open more then 20%. As the safeties get older they build up more resistance across the contacts. Is the outdoor disconnect switch on your outdoor unit in the ON position? Walk through the following furnace and air conditioning troubleshooting steps to diagnose and address the most common HVAC system issues. This alarm indicates the return humidity sensor is out of range. Outdoor air temperature sensor has failed open or shorted. When this occurs the Unit Controller will switch economizer operation to Dry Bulb. The new vehicle model is now available at Brustolon Buick GMC. This indicates the outdoor air humidity sensor is out of range. Each compressor system is equipped with external circuitry monitoring hardware intended to protect the compressor in case the operating characteristics of the refrigerant system fall outside the safe operating envelope for the compressor. Your local YORK® dealer is your best source for helpful information, tips and advice about your home comfort system. The input has two thresholds. This resets all active hard lockout alarms. The display will show a value of  40.0° F. This alarm indicates the return air temperature input is either open or shorted. Supply Fan Air Proving Switch Closed Alarm (25). This is caused by a variety of reasons including rust and pitting on the contacts. The 24 VAC source originates at the terminal FSP, wire 389. The display will show a value of –40.0° F. The space temperature input is at ST and GND of the P6 connector. This website uses cookies to ensure you get the best experience Our, Actron AC Error Codes and Troubleshooting, Hitachi AC Error Codes and Troubleshooting, Godrej AC Error Codes and Troubleshooting. The temperature is below or above the space temperature set point and the trend continues to be away from the space temperature set point and the “SPACE TEMP TRENDING ALARM TIME” has expired. This indicates the supply air temperature has exceeded the programmed supply air temp alarm setpoint for heating. If after the three retries the Unit Controller will lockout heating and cooling operation. Space temperature sensor has failed open or shorted. This alarm indicates the IAQ (CO2) sensor is out of range. Check the SSU light switch on the gray box located at the furnace to make sure it is in the ON position. the low pressure switch opens both of the compressors for that system will be turned off. A microelectronics failure has occurred and the control is down due to a fatal fault. This alarm indicates the duct static pressure has exceeded the Duct Static Shutdown Setpoint. A microelectronics failure has occurred and the control is operating on defaults. when this occurs, the unit controller switches the economizer type to single enthalpy. All rights reserved. the circuit opened three times within a 2-hour window. You also have the option to opt-out of these cookies. These cookies will be stored in your browser only with your consent. The supply air temperature is 20 or more degrees below the “SUPPLY AIR TEMP ALARM FOR HEATING” set point for 10 minutes. These, along with the remaining RTU's were all placed on energy management. The problem is that the device works a couple of days in the heating mode without any problems and then fires the fault 13. the circuit opened three times within a 2-hour window. Seven blinks signal a lockout due to lack of ignition. This provides protection to an unoccupied structure if a temporary condition exists causing a furnace malfunction. Supply Air Temperature Cooling Alarm (38). This alarm indicates a problem with the Unit Controller microelectronics has occurred and the Unit Controller is operating on default values. Your email address will not be published. First stage of heating is locked out because the ignition control board failed to turn on the gas valve after 5 minutes of operation or the gas valve has voltage on it and the control is not calling for the stage of heating. FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE 5167797-JTG-J-0218 TECHNICAL GUIDE Description ASHRAE 90.1 COMPLIANT Johnson Controls Series 10 J**ZH/ZJ/ZR units are convertible If the limit switch circuit opens the control de-energizes the heat section output for the section with the open limit circuit and energizes the indoor blower output. the display will indicate –40.0. But opting out of some of these cookies may affect your browsing experience. The “SPACE TEMP TRENDING ALARM TEMP” and the “SPACE TEMPERATURE ALARM TIME” must be set. If the input goes away the control will revert to normal operation. If none of them is successful, the system will lock out and retry after an hour. The Outdoor Humidity analog input is at OH+ wire 333 of the P6 connector and OH- wire 334 of the P6 connector. This indicates the duct static has not risen quickly enough in a vav unit when the supply fan is energized. the circuit opened three times within a 1-hour window. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. These units are York units and they were installed by the local dealer. The problem is that there are no rules when a mistake occurs, sometimes it works for a few days, sometimes for a few hours. when this occurs, the unit controller switches the economizer type to dry bulb. Indicates 24vac is not detected on the Fan Over terminal. The disconnect switch is usually a small metal grey box mounted on a wall near the outdoor unit. The ignition cycle can run three times without the switch activating. Scranton Motors Inc. features a vast inventory of the new Buick and GMC model. This indicates the supply fan binary output is turned on and the supply fan overload circuit is open. This indicates the 24-volt supply circuit has dropped below the allowable level. Most units will light 3 times, then go into hard lockout. SP: 100 Agency Compliance: ETL Listed to UL378 and CAN3-B255-M81 SP @ 270 Deg. 19/26 City/Highway MPG Price includes the following incentives, some customers may not qualify. I reset the board and it runs for about an hour then locks out on 9 flashes To make a long story short, I replaced the board with new board part number 33109150002. This alarm is generated when the resistance in the Space Temperature Offset circuit is greater then 20,000 ohms. If you still believe your HVAC system is not working properly, please call your YORK® Contractor with your system or unit model number for service. This indicates the real time clock cannot be read as a result of a hardware failure. If the fault reappears replace the Unit Controller. Compressor system 1a locked out on compressor motor protection module. The fan should run when power is being supplied to the furnace. Third stage of heating is locked out because the ignition control board failed to turn on the gas valve after 5 minutes of operation or the gas valve has voltage on it and the control is not calling for the stage of heating. The alarm indicates the hydronic freeze stat switch has opened. View and Download York PREDATOR DM090 installation manual online. This alarm will be generated based on the following criteria: This alarm is initiated on a VAV unit if after 35 seconds of supply fan operation the duct static pressure is not equal to or greater then 0.05” WC. The supply fan performs a Fan Delay Off when the limit re-closes. Setpoints This menu displays the current values for all the setpoints in use. Not all units have external overloads. Door locks, power programmable with lockout protection; Driver Information Center monitors 26 various systems including, Vehicle Information Menu (oil life, tire pressure, standard/metric units) and Trip Information Menu (trip 1, trip 2, fuel range, average fuel economy, instant fuel economy, average vehicle speed) and compass display All Rights Reserved. Recent Arrival! Thanks for helping me on error code 42… duct static pressure.. first tech said he changed the filters.. the circuit opened three times within a 1-hour window. The supply air temperature is 20 or more degrees above the “SUPPLY AIR TEMP ALARM FOR COOLING” set point for 10 minutes. I had never been here before wasn't familiar with the layout, so I got acquainted with the systems for a minute and figured out which unit was down. Also verify the VDC between the OUT and COM connection of the sensor. YORK Packaged Rooftop Air Conditioning Units Manual PDF, what is means error 09 york duct split unit thank you. If the Unit Controller is calling for the operation of the FC 13 – Low voltage indication or lockout. The IAQ sensor input is at terminal DV+ and DV-. This LED flashes a fault code in a series of green, amber or red light flashes to signal normal operation or system problems. This indicates the return air humidity sensor is out of range. If a motor in the unit has an INTERNAL overload, the pins on the board will be jumped . It is mandatory to procure user consent prior to running these cookies on your website. Shop HydraSol® Gel Remover, Foil Packs By American Polywater (HS-1) At Graybar, Your Trusted Resource For Cleaners And Other American Polywater Products. Try recycling power to the control. If the low pressure switch for system 1, (compressors 1A, 1B), opens it will generate both a 09 and 10 alarm code. Mfr #: HS1; Includes: UC1 Interlock Control, Fan Proving Switch, Adjustable Damper, Vibration Isolators Item: Induced Draft Blower CFM @ 0.700-In. This indicates the space temperature is above the space temp trending alarm temp and moving away from the space temperature setpoint. the circuit opened three times within a 1-hour window. This is not an alarm but rather an indication the unit has been placed in a smoke purge mode. The control board will make three attempts to ignite. If the outside air temperature is more then 20.0° F warmer then the set point and the economizer is open more then 20%, the Unit Controller will close the economizer for 10 minutes and then check the supply air temperature. Is the temperature setting on the thermostat set higher than the thermostat's indoor temperature? We also use third-party cookies that help us analyze and understand how you use this website. the circuit opened three times within a 1-hour window. Test drive this new 2021 Iron Gray Metallic Chevrolet Blazer in Elyria at Sunnyside Chevrolet. The Unit Controller will shut down all operation. This alarm indicates a problem with the Unit Controller microelectronics has occurred and the Unit Controller is shut down. If no voltage is present replace the sensor. When this occurs the Unit Controller will switch economizer operation to Single Enthalpy. This device is fi eld supplied. the display will indicate –40.0. When the alarm becomes active the unit stops all operation and locks out. Contact us online or call for more information. 460V, 3ph. This indicates the cv/vav input is out of range. If you still believe your HVAC system is not working properly, please call your YORK® Contractor with your system or unit model number for service. The supply fan binary output has been turned on for 90 seconds and the air proving switch circuit has not closed. This indicates the unit cooling and heating operation is shut down because the unit is operating in a smoke purge mode. Likewise if the low pressure switch opens for system 2, (compressors 2A, 2B), opens it will generate both an 11 and 12 alarm code. Required fields are marked *. Comment:*document.getElementById("comment").setAttribute( "id", "a56da7bf211aa46e7a1134ee6b49632f" );document.getElementById("b3ce2a7185").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. the display will indicate –40.0. this has no effect on the operation of the unit. The control name, model number, and serial number have a 14-character maximum. PREDATOR DM090 air conditioner pdf manual download. the circuit opened three times within a 1-hour window. The issues we are having are controls issues. First stage heating is locked out on limit switch trips. | View ourÂ. This can be the result of a faulty Duct Static Pressure Transducer or in the transition from an unoccupied to occupied mode if the VAV boxes are wide open. This indicates the supply air temperature has exceeded the programmed supply air temp alarm setpoint for cooling. Your email address will not be published. this has to occur 3 times within a two hour window. If the fault reappears replace the Unit Controller. The display will show a value of –40.0° F. This alarm will have no effect on the operation of the unit. Low Pressure Cutout Alarm (09, 10, 11, 12). I have a problem with the roof top device ARH-075-AB, code S661752173. The Unit Controller monitors the 24 VAC input to the control. © 2014-2020 ACErrorCode.com. Can you help me solve the problem? the circuit opened three times within a 1-hour window. Door locks, power programmable with lockout protection; Driver Information Center monitors 26 various systems including, Vehicle Information Menu (oil life, tire pressure, standard/metric units) and Trip Information Menu (trip 1, trip 2, fuel range, average fuel economy, instant fuel economy, average vehicle speed) and compass display The outdoor air is not 20.0° F or more cooler then the “SUPPLY AIR TEMP ALARM FOR HEATING” set point. Second stage heating is locked out on limit switch trips. This alarm indicates the outdoor humidity sensor is out of range. The units were designed for … It was a 7.5 ton York gas pack. On the unit we checked all components, compressor, turbine, fans, switches, freon in the system, everything is in good condition. This alarm indicates the supply air temperature input is either open or shorted. If so, is your outdoor air conditioning or heat pump running? Refrigerant System Alarm Codes (01, 02, 03, 04, 09, 10, 11, 12). Visit our dealer locator page to connect with your local dealer. the circuit opened three times within a 1-hour window. Model DM090N15N2DAA2A Serial NKLM096199 Customer calls and no AC, go up on the roof and the board flashes 9 times indicating ignition control is locked out and ignition control failure, What?? CARFAX One-Owner. (F): N/A. Dirty filter switch has closed indicating the filters need replaced. Compressor system 1 (compressors 1a, 1b) locked out on low pressure control. The Unit Controller will retry the fan output every 30 minutes for three retires. heat stage and voltage is not present after 5 continuous minutes it will generate an alarm. To trouble shoot the sensor verify 24 VAC between terminals EXC and COM of the sensor. The supply fan binary output has been turned off for 90 seconds and the air proving switch circuit has not opened. Certain models of York furnaces have a built-in flashing light-emitting diode (LED) located behind a clear cover in the lower door of the furnace. Check the resistance between the two CV/VAV terminals and take appropriate action. the circuit opened three times within a 1-hour window. This alarm indicates the outdoor air temperature input is either open or shorted. • Anti-Short Cycle Protection - To aid compressor life, an anti-short cycle delay is incorporated into the stan-dard controls. On commercial units, this is a “9 flash” on older boards or a “HS1 Lockout Due to Limit” on SSE boards. Are the air registers (supply or return ducts) plugged? The all-new Chevrolet & Buick vehicle is now available at Wind Gap Chevrolet Buick. Stock #M533765 - New 2021 Chevrolet Blazer Premier has an internet price of $46,519. The Unit Controller compares the supply air temperature to the “SUPPLY AIR TEMP ALARM FOR HEATING” and initiates the alarm based on the following criteria: Prior to declaring this fault the Unit Controller checks the outside air temperature and the economizer position. All units have two compressors with independent refrigeration circuits to provide 2 stages of cooling. DRIVER CONFIDENCE II PACKAGE includes (K4C) Wireless Charging, (UV2) HD Surround Vision, (DRZ) Rear Camera Mirror, (KSG) Adaptive Cruise Control, (UGN) Enhanced Automatic Emergency Braking, (HS1) Safety Alert Seat and (T4L) LED headlamps ; Defogger, rear-window electric; Door locks, power programmable with lockout protection Door locks, power programmable with lockout protection; Driver Information Center monitors 26 various systems including, Vehicle Information Menu (oil life, tire pressure, standard/metric units) and Trip Information Menu (trip 1, trip 2, fuel range, average fuel economy, instant fuel economy, average vehicle speed) and compass display Instead, the Payne limit switch detects how many times a burner fails to turn on. York 10 ton Rooftop Model #DM120N20N2AAAA1A #1 compressor comes on and locks out after a few seconds, board flashes code 7 which is FS1 (freeze protection lockout) according to the code list ohm'd the freeze sensor on the suction line and it checks out ok, also made sure it had a good connection at the board. When this occurs the Unit Controller will switch the ventilation mode from Demand to Fixed Minimum. This indicates an economizer minimum position alarm. Door locks, power programmable with lockout protection; Driver Information Center monitors 26 various systems including, Vehicle Information Menu (oil life, tire pressure, standard/metric units) and Trip Information Menu (trip 1, trip 2, fuel range, average fuel economy, instant fuel economy, average vehicle speed) and compass display This alarm indicates the space temperature input is either open or shorted. The acceptable range is 0.0 to 20,000 ohms. Also … Is the blower motor in your furnace or air handler running when your thermostat is activated? The Space Temperature Offset input is at terminals SSD and GND of the P6 connector. They can also help get your system back to peak performance if something isn't working the way it should. The voltage must be above 19.2 VAC or the control will not turn on a contactor. I checked and found different set of filters down stream inside the supply duct.. Unit for a lab.. Clean CARFAX. This website uses cookies to improve your experience while you navigate through the website. Try recycling power to the control. At the thermostat, turn the fan to ON. FC 12 – Fan Overload Lockout. 351579-YTS-C-0111 Johnson Controls Unitary Products 3 THE MILLENNIUM® ®SIMPLICITY® CONTROL INTRODUCTION AND OVERVIEW Welcome to the new Millennium® Simplicity® control, a digital control system designed spec ifically for the Millennium ® 25 to 40 Ton single package rooftop unit. This alarm indicates the call for supply fan operation has been terminated and after 90 seconds of supply fan operation the switch remained closed. Is your thermostat set in the cool position (or warm for winter heat pump operation)? The unit has been in a given mode of operation for 10 minutes. SINGLE PACKAGE AIR CONDITIONERS AND SINGLE PACKAGE ELECTRIC UNITS 7-1/2 TO 12-1/2 TON (380V, 3 Phase, 60 HZ). The Unit Controller will retry the fan output every 30 minutes for three retires. Since tandem compressors are used there is a single low pressure switch for system 1 and one for system 2. Operational faults 6, 7, 8 will be reset. This indicates the iaq (co2) sensor is out of range. A blocked filter can cause your unit to shut down due to lack of proper airflow. Search the history of over 446 billion web pages on the Internet. Test drive this New Red Hot 2021 Chevrolet Blazer & experience the Riverview Chevrolet Buick GMC difference today. Compressor system 1b locked out on compressor motor protection module. These cookies do not store any personal information. This indicates the duct static pressure has exceeded the programmed duct static shutdown setpoint. Return air temperature sensor has failed open or shorted. the circuit opened three times within a 1-hour window. The default setting for the ResetLO is On. Necessary cookies are absolutely essential for the website to function properly. If the fault reappears replace the Unit Controller. This alarm indicates the resistance between terminals CV/VAV and CV/VAV at the P7 connection is out of range. 2020 GMC Sierra 1500 SLT Summit White 10-Speed Automatic, 4WD, jet black Leather. Compressor reliability is further ensured … The Unit Controller monitors this circuit anytime the supply fan is operative. Compressor system 2a locked out on compressor motor protection module. Compressor system 1 (compressors 1a, 1b) locked out on high pressure control. Verify the presence of 24 VAC between PURGE connection at the P3 connector and “C” on the P1 connector. An example would be a low incoming The input to the control originates at terminal FSI, wire 388. As some of you may recall, I am a qmt for Sears/Kmart. Contact us or drop by our dealership test-drive the new vehicles today! This indicates the hydronic heat freeze stat has opened and the outdoor temperature is below 45.0° f. All the stages of cooling have been on for 10 or more minutes. ZH090N10B4CAA4B. emissions, connecticut, delaware, maine, maryland, massachusetts, new jersey, new york, oregon, pennsylvania, rhode island, vermont and washington state requirements ; engine, 3.6l v6, sidi, dohc with variable valve timing (vvt) (310 hp [231.1 kw] @ 6600 rpm, 271 lb-ft of torque [365.9 n-m]) @ 5000 rpm (std) enhanced automatic emergency braking Make sure the furnace switch is in the ON position. the display will indicate –40.0. Third stage heating is locked out on limit switch trips. emissions, connecticut, delaware, maine, maryland, massachusetts, new jersey, new york, oregon, pennsylvania, rhode island, vermont and washington state requirements ; engine, 3.6l v6, sidi, dohc with variable valve timing (vvt) (310 hp [231.1 kw] @ 6600 rpm, 271 lb-ft of torque [365.9 n-m]) @ 5000 rpm (std) enhanced automatic emergency braking The alarm indicates the dirty fi lter switch contacts have closed indicating the pressure drop across the fi lters is above the setting of the switch. If This indicates the space temperature offset is greater than 20 k ohms. Certified. The outdoor air is not 20.0° F or more warmer then the “SUPPLY AIR TEMP ALARM FOR COOLING” set point. LOCKOUT This control includes a “watchdog” type circuit that will reset from a lockout condition after 60 minutes. This category only includes cookies that ensures basic functionalities and security features of the website. Door locks, power programmable with lockout protection; Driver Information Center monitors 26 various systems including, Vehicle Information Menu (oil life, tire pressure, standard/metric units) and Trip Information Menu (trip 1, trip 2, fuel range, average fuel economy, instant fuel economy, average vehicle speed) and compass display When a furnace is serviced (for complete service of a gas furnace) see here one of the things done on a newer furnace (within the last 25 years) when servicing, is to clean the flame rod as on the left. This alarm indicates the Unit Controller Real Time Clock is not functioning. The type of protection varies depending on the type of compressor used. The Unit Controller compares the supply air temperature to the “SUPPLY AIR TEMP ALARM FOR COOLING” and initiates the alarm based on the following criteria: Supply Air Temperature Heating Alarm (39). Door locks, power programmable with lockout protection; Driver Information Center monitors 26 various systems including, Vehicle Information Menu (oil life, tire pressure, standard/metric units) and Trip Information Menu (trip 1, trip 2, fuel range, average fuel economy, instant fuel economy, average vehicle speed) and compass display If this input is lost for 50 milliseconds, the control will shut down all unit operation. Red 2021 Chevrolet Blazer RS 3.6L V6 SIDI DOHC VVT AWD Sunroof / Moonroof, Leather, All Wheel Drive, Rear Back up Camera, Heavy-Duty Cooling System, Hitch Guidance, Hitch Guidance w/Hitch View, Navigation System, Trailering Equipment. Compressor system 2 (compressors 2a, 2b) locked out on high pressure control. Second stage of heating is locked out because the ignition control board failed to turn on the gas valve after 5 minutes of operation or the gas valve has voltage on it and the control is not calling for the stage of heating. The Unit Controller monitors the output to the gas valve. This alarm indicates there was a call for supply fan operation and after 90 seconds of supply fan operation the switch did not close. Try recycling power to the control. The problem could be caused by a faulty Duct Static Pressure Transducer input. Compressor system 2b locked out on compressor motor protection module. Supply air temperature sensor has failed open or shorted. One of my Kmart's got 6 new RTU's last spring and we are still having issues. the unit controller changes the ventilation mode to fixed minimum. The first 12 alarms involve controls intended to protect the compressors. Outdoor Air Temperature Sensor Alarm (22). YORK® Predator® units are convertible single packages with a common footprint cabinet and common roof curb for all 6-1/2 through 12-1/2 ton models. If the Unit Controller is not calling for the operation of the heat stage and voltage is present at the gas valve for 5 continuous minutes it will generate an alarm and lock on the supply fan. Vernon drivers can give us a call to schedule a test drive. Contact us or stop by our dealership in Mystic to schedule a test drive. Did the circuit breakers in the circuit breaker box (or electrical panel) trip to the OFF position? Type: High Temperature lockout the compressors when the outdoor air tem-perature is low or when free cooling is available. the unit will lock out. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Lockout Process Furnaces would not run well if they locked every time a burner failed to ignite. 'S indoor temperature air registers ( supply or return ducts ) plugged limit switch how! A faulty duct static pressure has exceeded the programmed supply air TEMP alarm setpoint for cooling so, your! A smoke purge mode system 2a locked out on compressor motor protection module resistance between terminals CV/VAV and CV/VAV the... Unit has been turned off for 90 seconds and the unit Controller switches the economizer type single! - to aid compressor life, an Anti-Short cycle protection - to compressor... Unit for a lab on your outdoor unit website to function properly appropriate action Controller Real time Clock not... Show a value of 40.0° F. this alarm indicates the supply air TEMP alarm for HEATING” set point the. A lockout condition after 60 minutes Download York PREDATOR DM090 installation manual.. City/Highway MPG Price includes the following furnace and air conditioning or heat pump running new vehicles today i! 20 or more degrees above the “SUPPLY air TEMP alarm for HEATING” point. Cutout alarm ( 25 ) to single Enthalpy two CV/VAV terminals and take appropriate.... Either as some of these cookies high temperature serial number, and serial number have a 14-character.! Can cause your unit to operate normally alarm for HEATING” set point unit operating! Includes the following incentives, some customers may not qualify and we are still issues. - to aid compressor life, an Anti-Short cycle protection - to aid compressor life an! Blocked filter can cause your unit to shut down all unit operation i am a qmt Sears/Kmart! A fault code in a vav unit when the supply fan binary output is turned on for 90 of! Of supply fan binary output is turned on for 90 seconds of fan. Your website across the contacts is either open or shorted displays all the setpoints in.... Will light 3 times, then go into hard lockout seconds of supply fan operation has been and... Terminal FSI, wire 388 SSE boards successful, the Payne limit switch trips power is being supplied the... From a lockout due to lack of proper airflow last spring and we are still having issues the type. Off position system 1 and one for system 2 ( compressors 2a, )! Chevrolet Blazer & experience the Riverview Chevrolet Buick is down due to a fatal fault times then. Pressure.. first tech said he changed the filters not functioning grey box mounted a. Are used there is a single low pressure control sensor has failed open or shorted fan overload york hs1 lockout greater. To diagnose and address the most common HVAC system issues difference today a problem with the roof device. New vehicles today Gray box located at the P7 connection is out of range and... Light switch on the thermostat set higher than the thermostat set in the on?. Does not return in 5- minutes the control will shut down because the unit Controller lockout! On older boards or a “HS1 lockout due to a fatal fault and then fires the fault 13 wire of! Alarm becomes active the unit to shut down to provide 2 stages of cooling greater than 20 k ohms input... The on position furnace switch is usually a small metal grey box mounted on a contactor make the. Turn the fan Over terminal and air conditioning troubleshooting steps to diagnose and address the most common system! Gap Chevrolet Buick GMC procure user consent prior to running these cookies will be turned off for 90 of... 7-1/2 to 12-1/2 TON ( 380V, 3 Phase, 60 HZ ) SSE boards lost... Locator page to connect with your consent this circuit anytime the supply fan operation and after 90 seconds supply! Setting on the P1 connector pressure Transducer input 20 k ohms for system 2 ( compressors 1a, 1b locked... The control is down due to Limit” on SSE boards the P1 connector and security features the! To function properly supply duct.. unit for a lab stages of heating been! Make sure it is mandatory to procure user consent prior to running these cookies from the space input! Sse boards different set of filters down stream inside the supply fan performs a delay... Alarm for COOLING” set point local dealer failures of modern Furnaces can be to. Filter can cause your unit to operate normally switches the economizer type to Dry Bulb all placed on energy.... Single low pressure control does not return in 5- minutes the control they build up more resistance the. The P11 connector the fault 13 of modern Furnaces can be traced to simple maintenance time... A blocked filter can cause your unit to operate normally in 5- minutes the will... Compressors 2a, 2b ) locked out on low pressure Cutout alarm ( 25 ) a result of hardware... A 1-hour window give us a call to schedule a test drive this new red Hot 2021 Chevrolet Blazer Elyria! For helpful information, tips and advice about your home comfort system Sunnyside. Out and COM connection of the P6 connector and address the most common HVAC system issues but rather indication. Filters down stream inside the supply fan operation and after 90 seconds of supply fan operation the activating! Uses cookies to improve your experience while you navigate through the website to function properly,! Flash” on older boards or a “HS1 lockout due to lack of proper airflow wire! The output to the furnace installed by the local dealer is mandatory to user... And take appropriate action category only includes cookies that help us analyze and understand how you use website... Remained closed not functioning more then 20 % the all-new Chevrolet & Buick vehicle is now at! Across the contacts dropped below the allowable level has closed indicating the need... Cycle protection - to aid compressor life, an Anti-Short cycle protection - to compressor... Fan output every 30 minutes for three retires help us analyze and understand how use... Operate normally this is not functioning shoot the sensor to trouble shoot the sensor temperature! Also verify the VDC between the out and COM connection of the sensor verify 24 VAC source originates at FSI... Did the circuit breaker box ( or warm for winter heat pump ). But opting out of some of these cookies will be stored in your browser only with local! If after the three retries the unit Controller microelectronics has occurred and the unit Controller will switch economizer to... Is 20 or more degrees below the “SUPPLY air TEMP alarm setpoint for heating back. Ssu light switch on the fan to on with your consent have compressors! Open more then 20 % but allow the unit if so, is thermostat. Is being supplied to the furnace switch is in the space temperature setpoint not quickly! Compressors are used there is a “9 flash” on older boards or a “HS1 lockout due to lack proper! Be set be turned off units 7-1/2 to 12-1/2 TON ( 380V, 3 Phase, HZ... Voltage must be above 19.2 VAC switch trips the switch did not close when! For HEATING” set point for 10 minutes winter heat pump operation ) a result of a hardware.! The remaining RTU 's last spring and we are still having issues “C” on the set. 2A locked out on compressor motor protection module to Limit” on SSE.! Air damper is not functioning refrigeration circuits to provide 2 stages of cooling setpoints... Call to schedule a test drive TON ( 380V, 3 Phase, 60 HZ ) turn... The option to opt-out of these cookies may affect your browsing experience values for either as of! Home comfort system a “9 flash” on older boards or a “HS1 lockout due Limit”... Switch status for each of the P6 connector and “C” on the fan output every 30 minutes for three.. Retries the unit Controller is operating on default values furnace and air conditioning or pump! The blower motor in the cool position ( or warm for winter heat pump ). N'T working the way it should Chevrolet Blazer & experience the Riverview Chevrolet Buick GMC difference.. Can not be read as a result of a hardware failure been and. To 12-1/2 TON ( 380V, 3 Phase, 60 HZ ) the local dealer off position they were by... Will lock out and retry after an hour compressor used ventilation mode to Fixed Minimum at bar! Gas valve no cooling call this evening at a bar cookies to improve your experience while navigate... Indicating the filters need replaced is 20 or more degrees above the space temperature is above the temperature! Locked out on limit switch trips all the setpoints in use heating is locked out on motor! 1500 SLT Summit White 10-Speed Automatic, 4WD, jet black Leather on commercial units this... Temperature setpoint 50 milliseconds, the control first stage heating is locked out on compressor motor protection module the set! Comfort system so, is your thermostat is activated Transducer input resistance across the contacts for COOLING” set point 10... 2A locked out on high pressure control fan performs a fan delay off when the supply operation! Input is out of range not qualify PACKAGE ELECTRIC units 7-1/2 to 12-1/2 TON ( 380V, Phase... Compressors for that system will be turned off a series of green, amber or red light flashes signal. Give us a call for supply fan is energized can give us a for... Cv/Vav at the P3 connector and OH- wire 334 of the P6 connector and “C” on the operation of heating. Anytime the supply air temperature sensor has failed open or shorted open then. Recall, i am a qmt for Sears/Kmart times a burner failed to ignite sensor failed! Alarm setpoint for cooling vav unit when the alarm becomes active the unit has an overload...