With a 2-stage stat, Y2 can call for compressor cooling if the economizer can’t keep up. 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. I have the same problem PAT, 9 flashes and the blower starts just the turns on the equipment, I am having 19 volts on the main board. Will let you know the results. Heating flash codes may just be due to programming outdoor temp lock outs. A bad contactor can cause a voltage drop that the board sees as an open safety and give you a fault code 9. I reset it, by taking off the bottom door and putting it back. I am sorry, but I do not know what the blink codes mean on a York AC Unit. Board part # S1-33109150000. The issue im having is 2nd stage heating not coming on. It is using a regular thermostat no BAS. I am getting an error code 28, indicating lock out due to fan overload trips, but I don’t know how to correct this. Need more info. Free cooling control is not calling for free cooling . I have a new 18 seer CZH03612C unit that is flashing four red lights and the green is on constantly. The unit is not defrosting. I already replaced the board per York but problem still persists any info on this . Then you need to find the cause with prosper testing. I hope that you can find the blink code inside the control box of your unit. 1. Change ), You are commenting using your Twitter account. Flash code 9 is anything to do with the heating side of the unit. Your blower should stop. Meaning: sensor T2A fault Error code: E4 ( Log Out /  All piping, refrigerant charge, and electrical At this point I think it would be best to call you contractor. Code 13 occurs when voltage drops below 19+/- volts when running or below 16 +/- volts when trying to energize a component. 049 = 4 Ton (ZH,ZJ) York Commercial Comfort System (YCCS) Rtu Controller 061 = 5 Ton (ZH,ZJ) Any Combination of Additional Options that Don’t Have an Option Code Pre-assigned 078 = 6.5 Ton (ZF,ZH,ZJ) 090 = 7.5 Ton (ZF,ZH,ZJ) 102 = 8.5 Ton (ZF,ZH,ZJ) 120 = 10 Ton (ZF,ZH,ZJ) 150 = 12.5 Ton (ZF,ZH,ZJ) Fault Codes 14 or 34 point to an ignition lock out or an ignition fault. A listing of York, Carrier, Payne, Trane, Luxaire, Coleman or payne failure codes listed on furnace controls with explanation of what the codes mean "gray furnace man troubleshoot and repair advice" troubleshoot no heat for electric, gas, oil, heat pump furnaces. If they are above set point, ity goes into compressor cooling. Blower fan does not stop running. ok i have a york unit with this board and i cant figure out what is going on with it. at the top of the board is the P5 plug. button to turn on or turn off the unit. Single flash on heat delay and the #1 led lit is normal operation. you need to contact your local distributor for the wiring diagram or look on the doors — it is usually there in the unit.. SINGLE PACKAGE AIR CONDITIONERS AND SINGLE PACKAGE GAS/ELECTRIC UNITS 7-1/2, 10, 12-1/2 NOMINAL TONS 9.0 - 10.0 EER 380/415-3-50. There is access to internal resources. These units can be equipped with factory or field installed electric heaters for heating applications. 1 green flash means there is no thermostat call and the board is ready to respond to a call for heat or cool. Single stage stat will cause problems every time. Air Conditioner, Heat Pump user manuals, operating guides & specifications I can not find this information, such as a compressor unit and software. This could be due to no power or a shut down circuit. Once the contractor is at your unit, they can then check all the possible causes. Filters are very inexpensive (usually less than a $1) and are critical to airflow. More info.. Unit Runs with T stat removed from base. Thanks for any help. After replacing the board the compressor are now running but the display on the board keeps blinking 13 then 14 and repeats. The 9 blinks in our post is pertaining to a furnace control board. They said it had been cooling fine all day. Download 827 York Heat Pump PDF manuals. Hi Richard! Find out how we leverage our unparalleled residential dealer network and world-class commercial support services to lead the industry. I always recommend “D” so the economizer only functions below 63 degrees 50% humidity. Thank you. With no flash code on the ignition control, somewhere between the heating section and the board you’ve lost connection or power, S# NON9426154 Mod# PC120C000A2AAA1A.. Compressors , Cond Fan and air handler, continues to run when there is no call for cool or heat. Outside vent looks clear, i dont hear a little water in the motor, but the drain is clean and dripping water. Get closer to unit. AC Units . Open the front panel of the unit and press the aux. Check if the fuse in your York air conditioner has blown and replace. if it is bypassed and cooling does not come on, remove the P10 plug on the bottom right side of the board and see if you havee 24 VAC from the pin marked C1 to ground. Hi, I am working on a single stage cooling simplicity board. To make these flash codes more understandable in our commercial equipment — below is an explanation of each flash code. Both are designed for outdoor installation on a rooftop or slab. Are you losing the thermostat call at the board? Hopefully this little guide will assist you when working on our products and give you the proper direction so you do not unnecessarily condemn boards. If you have power there but not at TH & R1 on the ignition control, you have a broken connection between the board and the ignition control. The units are completely assembled on rigid, permanently attached base rails. I’m sorry for my English. I will check and keep you updated. Infra Red receiver on-unit exposed to strong light source. Sorry i meant to say i do hear a little water in the ventor motor. The unit is indicating proper communication to the thermostat green and yellow were flashing before the issue. The units are completely assembled on rigid, permanently attached base rails. Hope it solves the problem or at least helps you find the problem. Replaced that. The fan on and off delays can be field adjusted by pressing the correct combination of buttons on the UCB. Thanks for the fast response!!!! If tripped, check the amp draw, voltage,( see my post on voltage imbalance), static pressure, etc. The York furnace code is 2 Red Flashes for open pressure switch contact are stuck in the closed position. you should then have 24 volts at C1 & C2 pins on the board with the plug off. You need to verify the pressure to the switch. Check if you’re having a bad capacitor (the capacitor supplies power to the fan motor and it could have malfunctioned). The blower motor/fan was not coming on at all when it was in the cooling mode.. Is it possible that my blower motor/fan is gone. Will Give it a shot first thing in the morning. I believe “heat delay” is a 2 which is a 5 minute anti short cycle delay. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. If the limit trips multiple times during a call for heat, the blower will lock on. The date of production/manufacture or age of York® HVAC equipment can be determined from the serial number located on the data plate. Could be flame failure,open limit,cycling on limit,roll out switch etc. During this condition, the output for 2nd stage (CR2) will not be energized. Code 13 on Simplicty is NOT a lock out but an information code. serial number is incomplete — please provide whole number. Then you can use the chart in the post to diagnose the problem. Friends .. york package unit model dms300 . Download 827 York Heat Pump PDF manuals. Check for obstruction between unit remote control. We replaced the indoor PCB but still does the same thing. blower is on and running. ADD up the numbers and that is the flash code. Also — what is the serial number of your unit? hello my name hugo , i have a 10 ton york unit model ZF120C00AAA5A …SERIAL # N1MO475325 … this is the problem that im having with condser fan motors runing , but compressor 1 & 2 are not on ? The manual gas supply shutoff valve must be in the open position, and the control switch on the gas valve must be on. Enter your email address to subscribe to this blog and receive notifications of new posts by email. A listing of York, Carrier, Payne, Trane, Luxaire, Coleman or payne failure codes listed on furnace controls with explanation of what the codes mean "gray furnace man troubleshoot and repair advice" troubleshoot no heat for electric, gas, oil, heat pump furnaces. 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. What is the model number? Work on the thermostat- check the settings (and change) or potential defects (and replace). With a single stae stat, if in the econ mode there is no call for mechanical cooling if the econ cannot keep up. Temp sensor checked good. As far as lost front end, probably not the Simplicity board but either wiring or praboem with the translator. 3. Please tell me where to download a manual? There is no continuous flash on the heat delay light — that would be a code. When you place a jumper across a limit, the power should be off. Your help would be greatly appreciated. Gas Furnace Troubleshooting and Repair - Flash Codes. User manuals, York Heat Pump Operating guides and Service manuals. Turns out the freon was low which was triggering the low-pressure lockout. Is the transformer tap set to the correct incoming voltage (208 or 230)? If the unit is not defrosting, ice can build up in a hurry. If a freeze stat were to trip 3 times within a two-hour window, the control locks out CR1. Both stages of cooling are calling second stage cycles on off first stage is locked out on free cooling . I have a 208 volt feed transformer is wired for 208 and is putting out 24 volts to r and passing through t stat with 24 volts . Flash codes are only there to give you a symptom. Get closer to unit. No Flash codes. When turn on at time show error heat delay light flashing and don’t pass line to compressor. Remember — the flash code is not telling you want is wrong but is looking at symptoms. C. Unit does not respond property to remote control command. You say the thermostat was just replaced? This can be changed by using the board buttons as described below to allow the fan to run longer at the end of a heating cycle. 5 flashes would be a LP sys 1 pressure switch trip. FC 7 – Freeze stat trip on 1st stage. A “green” continuous flash on the upper LED is normal operation RED LED2 ON: The microprocessor has malfunctioned. button to turn on or turn off the unit. I am having problems with a FC7 code, what could be some likely causes for this code? I didn’t know if I needed to reset the computer board and if so how to do that. Smart, Outdoor Packaged Rooftop Units Featuring a capacity range from 3 to 150 tons, our single-packaged Rooftop Unit from Johnson Controls is easy to customize with fast installation, low operating costs, the flexibility of heating and cooling options, and our Smart Equipment Controls (SEC) package. Note: Auto mode operation – 77°F is the set temperature for cooling operation and 68°F is the set temperature for heating operation. Walk through the following furnace and air conditioning troubleshooting steps to diagnose and address the most common HVAC system issues. The York furnace code is 2 Red Flashes for open pressure switch contact are stuck in the closed position. All piping, re frigerant charge, and electrical wiring is factory installed and tested. Hello- I am getting 9 flashing red leds on the board only. I apologize — heat delay is saying you have a lock out and not anti short cycle. The display board in digital scroll system is just to display running conditions and malfunction information. FC 10 – When flashing, it indicates the compressors are locked out because the low ambient switch is closed. Next to the light is a NUMBER. package air conditions equipped with electric heaters (Field Installed Accessory Only), or single package gas-fired central heating furnaces with cooling unit. 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. Thanks, The freeze stat opens at a coil temperature of 26 degrees and closes at 41 degrees. Default fan OFF AND ON settings in the board are 30 SECOND ON and 60 SECONDS OFF. Troubleshooting for your packaged system will vary based on its heating and cooling configuration. I even tried a new board but it is not working. Change ), You are commenting using your Google account. However, if the Simplicity board is programmed to lock out compressors in free cooling, then you can never get compressors when the economizer is being used. Can you please help me. If the code continues, a jumper wire can be placed temporarily across each switch in turn to isolate each switch. I’m currently working on a ZF120 unit, when the thermostat (just replaced) calls for A/C the blower kicks on but nothing else does, condenser fans, compressors, or anything. It’s 80+ degrees out and saying compressor lockout due to economizer but the economizer is not running. Check for obstruction between unit remote control. Within the manufacturers, the flash codes can be different from one furnace to the next. Heating section showing normal heart beat led. Both are designed for outdoor installation on a rooftop or slab. Malfunction and Protection Code Table: Troubleshooting The air-conditioner does not run after pressing ON/OFF button. I guess I will take a wait and see and see if it happens again. C. Unit does not respond property to remote control command. If problem is just with Y1 call — look at the economizer. also believe older boards of simplicities where faulty. Fist thing is to reset the FOVR and the see what caused it to trip. If it was cycled on off, then heat on and off then cool on it was cooling properly (system delay of five minutes are in place). Is it possible for this board to have a code 27? The most recent alarm will be shown first and the oldest alarm will be shown last. You can check all the interpretations of each error code at the back of your specific model’s manual. Unfortunately, there is not a combination of 4 reds with a green constantly on. This completely by-passes the econ. Therefore, it is nearly impossible to describe every flash code … Pat, Sounds like you lost the limit input to the main board. Malfunction and Protection Code Table. The units were designed for light commercial and commercial applications. View and Download York PREDATOR DM120 technical manual online. LAST ERROR – When this button is pressed and released one time within five seconds, it will flash the last five flash codes on the board’s LED. They think it’s the board again but I’m not to sure . LED CODE DESCRIPTION; RED LED1 ON: Furnace is operating in emergency heat. When pressed and released twice within a five second span, the fault. When activated one of the switches overheating, the code will be 9 and runs the flue gas exhaust fan is trying to cool the heat exchanger. I would suggest you call your installer and have them check it out since, if this is a new unit, it should be under warranty. Either way, find out the problem before proceeding. Hopefully this will help guide you to understanding what each code means and assist you in making proper diagnostics. Troubleshooting for your packaged system will vary based on its heating and cooling configuration. As I said in my last response, I feel it would be best to call a qualified contractor at this point. On the component map you should find a control marked FOVR (FAN OVERLOAD RELAY) of BOR (Blower overload relay). Under normal conditions, your heat pump periodically switches to air conditioning mode for a few minutes, which heats up the outdoor coils enough to melt any frost and light ice that has accumulated. Currently working on a York rooftop unit. setpoint is at 10% min damper position and D the loweset temp setting to turn Econ on. Note: Auto mode operation – 77°F is the set temperature for cooling operation and 68°F is the set temperature for heating operation. Then take the P10 plug off the board (under the relays). Error code: E0. Fault Code 24 points to the violet colored furnace fuse. I am a local distributor (Ukraine). Is there a jumper between them? ( Log Out /  YORK Sunline 2000TM units are convertible single package air conditioners with a common cabinet and a common roof curb for the 3, 4, 5 and 6.3 ton sizes. Start here and see if you have solved it, i have a code 9, heat works fine burners are on, but blower won’t turn off even after thermostat is satisfied, Is the furnace cycling on limit? When the unit is operated by the auxilliary button it will run only in auto mode. You still need to make the diagnostic based of the flash code. No matter what your problem may be, always start by making sure your York HVAC unit has a clean filter. Nor is there a flashing yellow with a green. At YORK®, comfort is more than a feeling – it's a promise: to innovate, to assure and, most of all, to deliver. I know the only thing on the board with a 60 second timing is the LP switch but i am sure it is closed because i even tried to jumper the pins but nothing works. The manual button is just to check the address code and power code of indoor units. To reset: Put setup switch "SW-l" in the "ON" position nad jumper thermostat terminals "R", "W/Wl" and "Y/Y2" simultaneously with the door switch pushed in and power to the unit … Your AC may have insufficient refrigerant. Condensing unit will cut off randomly normally during the hottest part of the day…What is “Heat Delay” LED for? No sticking Contactors, perform a continuity test of T-stat wires leading too and away from unit, all good, only can turn unit off @ disconnect, once off stays off , until I go and call for either heat or cool, both work fine when called for. also what I have found code 9 to be from air flow issues. In November 2011, I had the pressure switch changed, new filter, condensate trap cleaned, ignitor sensor cleaned. Now a week later customer calling saying that the heat isn’t keeping up. Find out how we leverage our unparalleled residential dealer network and world-class commercial support services to lead the industry. 3. This could be caused by a vent blockage, an intake blockage, a drain blockage, a pressure switch problem, an inducer problem and a few other things. sensor fault. On lockout 13 if I have a constant 24 volts at board on r and it’s passing 24 out to g and y2 why is it locking out y1.. With a 3-150 ton capacity range and efficiency ratings as high as 17.5 SEER, YORK® Commercial Packaged Rooftop Units in both A/C and packaged heat pump models balance minimized installation and operating costs and come Smart Equipment enabled. In some of my previous posts, I’ve discussed “flash code diagnostics” and the fact that these should be used as a “guide” to finding out where the problem is located. Thanks for your time. Hope this helps. 2. What is the model number of the unit? The First initial call was a bad ventor motor. Is the indoor unit shutting down also? It was flashing 11 times which meant the compressor is locked out due to “free cooling”. If yes, move to the remaining steps…. As I said in a previous response — there is no fault 27 even with expansion boards. Enough water will not let the venter produce enough pressure. 2 flashes is waiting 5 minute anti short cycle delay (ASCD) and the 7 flashes would be FREEZE STAT sys 1 lock out which would seem consistent. The units are completely assembled on rigid, permanently attached base rails. Every thing is ok. Remember that the run capacitor won’t have continuity once tested if dead. 27 flashes in not an error code we have built into our boards. What do I look for? thank you very much. Verify your temperature rise. Make sure you have a Y1 and Y2 call at the thermostat connections on the board. York VRF error code list. For reference we have had an issue with the unit not going on when first set. I check all thing but I dont understant prob .. do not look at the “wording” like “heat delay”. Correct, field installed Econ. is the unit working? Indoor room temp. If the conditions are right, it goes into free cooling and let’s you know that with the flash code 11. Troubleshoot the boards and see the one needing replacement (you usually need to replace them). If you are experiencing nuisance FAULT CODE 9 on the control verify your manifold pressure is correct. York PREDATOR DM120 technical manual online make sure you have 24 volts at C1 and?... Now running but the display board in digital scroll system is just check... Off and on settings in the closed position a qualified contractor at this point I it! In Auto mode address to subscribe to this blog and receive notifications of new posts by email but neither the. Pins on board a problematic board ( culprits could be your problem and malfunction information not! Make these flash codes can be field adjusted by pressing the correct combination of on... For reference we have a lot of information from you, making proper! Dirty filter switch be wired into this board and if so how to determine the date of or. To cool I am working on a single spade terminal marked “ limit ” setting, then have! Respond to calls suggest you contact your York HVAC unit has a clean filter switch on component. Operation or system problems know the answer causes of a flash code the morning TONS 9.0 - EER. The conditions are right, it is nearly impossible to describe every flash code getting. As lost front end the amp draw, voltage, ( see on. What caused it to trip 3 times within a two-hour window, the output for 2nd stage CR2. A team that right now is giving me an error code: E4 C. unit does not property. Limit to tip happens again emergency heat closes and reopens, then you possibly have a code 27 to! Did you by pass the Econ like I suggested place a jumper across a,... When I set it to cool the house while I was there I. With all this said, any time there is not a lock out or an ignition.... Heating not coming on SECONDS before the CR1 relay opens and shuts the compressor and have them check out freon! New 18 seer CZH03612C unit that is not telling you want is wrong but is looking symptoms. Change in units wired york package unit error codes this board to have a bad ventor motor board, you need to reprogrammed! Tripped and reset it, by taking off the unit could also been! That you can use the chart in the service of York-Ukraine degrees 50 % humidity air CONDITIONERS and PACKAGE... A unit the other ubing to the main board getting nothing at.... Not get the unit from working high amps, it can cause the the to! Stealing star and the board the compressor and blower contactors one at a time off the control board do... The compressor is locked out on free cooling and jumper Y1out and Econ the! Not respond property to remote control and unit too large or aimed at form improper:! Tripped york package unit error codes reset it, by taking off the control displays a FC2, indicating an active cycle... York® how to determine the date of production/manufacture or age of york® HVAC equipment can equipped! And that is not a combination of buttons on the power and see the... I do not have internal overloads so they are part of the only... T2A fault error code at the board and sensor locations RTU ’ s are closed, LP HP... The chat, I had the pressure to the next a 7: troubleshooting the air-conditioner does not property... A little water in the post to diagnose the problem before proceeding do.... Can call for cooling operation and 68°F is the set temperature for cooling operation and 68°F is the transformer set! Main Simplicity board but it does not start sparking, disconnect MV PV! Low AMB is open use the chart in the motor is itself burnt and! The translator single packages with a 2-stage thermostat & a and we propane. Apply to your system at C1 & C2 pins on the data plate charge, and wiring... 55 degrees the conditions are right, it goes into free cooling other ubing to the gas... I do hear a little while ago but neither of the compressors to start degrees... Be different from one furnace to the main board motor is itself burnt out and nothing! Will glue a blink code key inside the control and unit too large or aimed form. Low ambient switch is closed PCB but still does not start sparking disconnect. If so how to do the same thing then have 24 volts at C1 C2. Pressing ON/OFF button voltage, ( see post on voltage imbalance ) you. The york package unit error codes default on units that ship without economizers maybe they had reset it, by taking off the …... A no pro to clear the situation set the thermostat connections on the component you! Means that the board and jumper Y1out and Econ pins on board control marked FOVR ( fan relay. Does not start sparking, disconnect MV & PV off the board, do you have power G! All this said, any time there is an economizer in the motor, but why I! Occasionally and causing high amperage causing the voltage drop that the board if! Power or a shut down circuit York PREDATOR DM120 technical manual online off first stage is locked on. Having a bad capacitor ( the entire component ) the the safety to show open press the aux s making! Goes through a Bacnet MSTP translator and is mapped into a HARD lock-out every?... Or click an icon to Log in: you are commenting using Facebook... Stage is locked out due to programming outdoor temp lock outs posts by email a 27! Sensor cleaned code continues, a jumper wire can be equipped with optional factory economizer... To the pressure switch safety is keeping the unit starts a rooftop or.... As lost front end it still does not run after pressing ON/OFF button DM240 have a plug! On Auto, what can be different from one furnace to the main board! A FC2, indicating an active anti-short cycle timer the problem airflow through air! 12-1/2 NOMINAL TONS 9.0 - 10.0 EER 380/415-3-50 connections on the board and I cant figure out is. Manual online above set point, ity goes into compressor cooling if the unit and press the.. With factory or field installed electric heaters for heating operation entire component ) C ” placed temporarily each! Provide whole number excessive trips…Any thoughts on why help guide you to understanding what each means. Operated by the auxilliary button it will go into cooling for an hour so. Manual says that FC13 and FC14 are heat lockout alarms due to excessive trips…Any thoughts on why determine date. Board sees a call for cooling operation and 68°F is the serial number the! Water will not let the venter produce enough pressure pertaining to a furnace control board, do you 24. Checked and at first there were two flashing lights have been over f ired imbalance. Wrong while I was able to get a flame going should always remember to provide as control Systems in! Button but it is nearly impossible to describe every flash code event for furnace! Is there anything I can do as a compressor unit and press the aux at symptoms from! York HVAC unit has a problematic board ( culprits could be its main control board for outdoor on... Not have a York AC unit signal Y1 and Y2 jack or frame 7-1/2, 10, 12-1/2 NOMINAL 9.0. Airflow good digital scroll system is just with Y1 call — look at the locks. Furnace control board, do you have 24 VAC at Y1, Y2 can for... Due to excessive trips…Any thoughts on why every furnace for every furnace every. Fist thing is to reset or do we need a technician capacitor- see point number 4 ). Is ready to respond to a call for cooling operation and 68°F is the serial number of the causes a! With prosper testing on now indicating proper Communication to the correct incoming (. Volts when running or below 16 +/- volts when running or below 16 +/- volts running! Without economizers ubing to the violet colored furnace fuse returned home it had been cooling all... Replacement ( you usually need to replace them ) a common footprint cabinet and common roof for! And runs for 60 SECONDS off ship without economizers to check the install instructions for a DESCRIPTION. Install instructions for a full DESCRIPTION of the time the manufacturer will glue a blink code key the. 1 pressure switch trip ’ m not to run to economizer but york package unit error codes drain is clean and dripping water later! Guides and service manuals keeps blinking 13 then 14 and repeats a fault code points... Switched off would suggest you contact your York dealer and have them check out the unit could also belts... Reopens, then you need to see where you are losing voltage pass line to compressor can do to your. I want to do to reset the computer board and jump Y-out and Econ at thermostat... Are locked out due to economizer but the economizer only functions below 63 degrees 50 %.! Help guide you to understanding what each code means and assist you unit runs with stat... This LED flashes once yellow were flashing before the issue im having is 2nd stage ( CR2 ) will let! On a rooftop or slab is no fault 27 even with expansion boards voltage drops below volts... I decided, you need to find the blink code key inside control! 2Nd stage ( CR2 ) will not always respond to calls code 24 points to the..

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