Unfortunately, there is not a combination of 4 reds with a green constantly on. We woke up through the night and the heater is not working. Go for Electric scheme of contact Limit look for 24V. This is a NORMALLY OPEN switch that closes at 45 degrees and opens at 55 degrees. At YORK®, comfort is more than a feeling – it's a promise: to innovate, to assure and, most of all, to deliver. Also, the new board is not communicating to the front end. FLASH codes are information codes. The issue im having is 2nd stage heating not coming on. There should be 24 volts present there. Default fan OFF AND ON settings in the board are 30 SECOND ON and 60 SECONDS OFF. 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. Could be flame failure,open limit,cycling on limit,roll out switch etc. I guess I will take a wait and see and see if it happens again. Packaged Heat Pump. When I checked the furnace I was getting a amber 1 flash light. OK. at the main Simplicity board, do you have 24 VAC at W1 & W2 to “C”? If the pressure does not meet the switch setting, then you have a drain, venter,tubing issue. In November 2011, I had the pressure switch changed, new filter, condensate trap cleaned, ignitor sensor cleaned. 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. The fan on and off delays can be field adjusted by pressing the correct combination of buttons on the UCB. Code 13 on Simplicty is NOT a lock out but an information code. A “green” continuous flash on the upper LED is normal operation With a 2-stage stat, Y2 can call for compressor cooling if the economizer can’t keep up. Whether you're using the furnace in winter or the air conditioner in summer, the filter cleans and circulates a huge volume of air through the system. Heating section showing normal heart beat led. I will check and keep you updated. Our Air Conditioner trouble shooting guide will apply to your system. Thank you for the input. You say the thermostat was just replaced? Check for obstruction between unit remote control. The unit has a problematic board (culprits could be its main control board, temperature control board, etc.). Meaning: Communication fault within the system Error code: E2. Any input?? What is the model number of the unit? 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. button to turn on or turn off the unit. Troubleshoot the boards and see the one needing replacement (you usually need to replace them). There is access to internal resources. When turn on at time show error heat delay light flashing and don’t pass line to compressor. 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. The freeze stat opens at a coil temperature of 26 degrees and closes at 41 degrees. I would suggest you contact your York Dealer and have them check out the unit. If the code continues, a jumper wire can be placed temporarily across each switch in turn to isolate each switch. Correct, field installed Econ. I would get 27 consecutive flashes followed by another 5 flashes. I pressed the alarm button but it does not clear. Flash codes are only there to give you a symptom. I do not have a bypass plug to bypass the economiser option . When the unit is operated by the auxilliary button it will run only in auto mode. Air Conditioner, Heat Pump user manuals, operating guides & specifications The run capacitor is having issues or it’s blown making the compressor not to run. This unit was running fine just a little while ago but neither of the compressors nor condenser fans kick on now. Where is the set point (A,B,C,D dial) set? 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. I reset it, by taking off the bottom door and putting it back. On the board is a single spade terminal marked “limit”. Need more info. This completely by-passes the econ. 1 amber means the board sees a call for cooling. What is the model and serial number of the unit? Take the plug off the board and jumper Y1out and Econ pins on the board. You know you have power at G because the fan runs. I have 24 v at y1 out (207/y) and 24 v at y1econ ( 208/w) . FC 10 – When flashing, it indicates the compressors are locked out because the low ambient switch is closed. 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. If it still does not start sparking, disconnect MV & PV off the control and try again. If you leave it alone, will it try 3 times before locking out? If not — you have a bad board. ( Log Out / also what I have found code 9 to be from air flow issues. 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. Malfunction and Protection Code Table: Troubleshooting The air-conditioner does not run after pressing ON/OFF button. Clear if need. The units were designed for light commercial and commercial applications. Also — what is the serial number of your unit? Also for: Predator dm150, Predator dm090. ok i have a york unit with this board and i cant figure out what is going on with it. to by pass the economizer remove the P5 plug on the board and jump Y-out and ECON pins on board. It may be having dirty condenser coils- debris impedes overall cooling performance. Any INFO would help. What is the model and serial number of the equipment? Is it possible for this board to have a code 27? Also make sure the fan setting on your thermostat is set on Auto, what can be caused the limit to tip? Recycling did not work. I get the listed flash codes, but why am I getting 27 flashes? The unit could also have been over f ired. gas pressure high. What is the model and serial number of the unit — this will determine the controls in the unit and then I can give yoou better information. Fault Code 24 points to the violet colored furnace fuse. 10 years, I was an engineer in the service of York-Ukraine. 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. What is the model number? RED LED2 ON: The microprocessor has malfunctioned. Clear if need. At the thermostat, is there RC and RH terminals? We have a York M# ZF240N24AAA1B S# N1A0506845 That will not let C1 or C2 energize on the board. does it go into a HARD lock-out every time? ( Log Out / I already replaced the board per York but problem still persists any info on this . I could not find anything wrong while I was there so I checked the last error codes. Both are designed for outdoor installation on a rooftop or slab. Note: Auto mode operation – 77°F is the set temperature for cooling operation and 68°F is the set temperature for heating operation. Replace the Compressor (or the run capacitor- see point number 4 above). We replaced the indoor PCB but still does the same thing. The units are completely assembled on rigid, permanently attached base rails. Is there a jumper between them? Distance between remote control and unit too large or aimed at form improper angle: 2. Within the manufacturers, the flash codes can be different from one furnace to the next. My unit is a zh102n15p2dta5a there is a economiser package . 5 flashes would be a LP sys 1 pressure switch trip. This indicates a problem with the gas supply. Is there a simple way to over ride the fault? While checking out a unit the other day, when I pressed last error button I would get 27 flashes followed by 5 flashes. View & download of more than 6155 York PDF user manuals, service manuals, operating guides. All economizer equipped units should have a 2-stager thermostat. 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. Will Give it a shot first thing in the morning. Nearly every manufacturer has different flash codes. Get closer to unit. C. Unit does not respond property to remote control command. Infra Red signal does not reach unit. Try that? Temp sensor checked good. blower is on and running. The First initial call was a bad ventor motor. 27 flashes in not an error code we have built into our boards. I even tried a new board but it is not working. Then you can use the chart in the post to diagnose the problem. 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. Not getting any voltage to 2nd ignition module, which isn’t bringing voltage to the 2nd gas valve. It’s 80+ degrees out and saying compressor lockout due to economizer but the economizer is not running. Both are designed for outdoor installation on a rooftop or slab. If yes, move to the remaining steps…. If the limit trips multiple times during a call for heat, the blower will lock on. P and P1 are jumped together and R and OOC are jumped together. Troubleshooting for your packaged system will vary based on its heating and cooling configuration. Indoor room temp. As I said in my last response, I feel it would be best to call a qualified contractor at this point. User manuals, York Heat Pump Operating guides and Service manuals. 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. What do I look for? The serial is n1c185692 yes I have they said they will get back to me . At this point I think it would be best to call you contractor. I believe “heat delay” is a 2 which is a 5 minute anti short cycle delay. A bad contactor can cause a voltage drop that the board sees as an open safety and give you a fault code 9. Does the thermostat have a ” C” common wire run to it? Green heart beat light only. Turns out the freon was low which was triggering the low-pressure lockout. To make these flash codes more understandable in our commercial equipment — below is an explanation of each flash code. Note: Auto mode operation – 77°F is the set temperature for cooling operation and 68°F is the set temperature for heating operation. If pressure is correct and the switch dies not close or closes and reopens, then you possibly have a bad switch. Have you contacted your local distributor for support? View and Download Trane YSC060 installation operation & maintenance online. Single Stage T- stat I believe. As a new tech, this is something you should always remember to provide as control systems change in units. I can not find this information, such as a compressor unit and software. Check if the power cord is in good condition and supplying power (replace if not). What is the unit voltage? Open the front panel of the unit and press the aux. I have a code 14, after cycling unit came on, theres a vfd at blower compartment. Then turn on the power and see if the unit … are there any flash codes? I had set the thermostat to cool the house while I was out and when I returned home it had switched off. 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) serial number is incomplete — please provide whole number. Again, your local distributor should have technical support on staff to assist you. The units were designed for … Download 827 York Heat Pump PDF manuals. All piping, refrigerant charge, and electrical Also for: Predator dm150, Predator dm090. The unit is not defrosting. 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. If tripped, check the amp draw, voltage,( see my post on voltage imbalance), static pressure, etc. that’s the problem ? I have a ZJ048N06N2AAA1C. it could just be a “glitch or a 2 followed by a 7. That unit did not have a factory installed economizer. The unit was working when I arrived Friday afternoon. The unit is indicating proper communication to the thermostat green and yellow were flashing before the issue. YORK® Model XN units are single package heat pumps equipped with optional factory installed electric heaters. Did cooling come on? did you by pass the econ like I suggested? Either way, find out the problem before proceeding. TEST/RESET – When this button is pressed and released one time within five seconds, any anti-short cycle delays (ASCD) will be by-passed for one cycle. 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. The York furnace code is 2 Red Flashes for open pressure switch contact are stuck in the closed position. If one of your contactors is drawing high amps, it can cause the the safety to show open. Enough water will not let the venter produce enough pressure. You have an improper thermostat setting or it might be defective (the entire component). What flash code are you getting? They can easily be installed on a roof curb, slab, roof jack or frame. Check the refrigerant level and recharge to the specified amount/charge. Please tell me where to download a manual? Then you need to find the cause with prosper testing. It was flashing 11 times which meant the compressor is locked out due to “free cooling”. Packaged Air Conditioners. Also look at the contactor for 1st stage — could be “sticking” occasionally and causing high amperage causing the voltage drop. sensor fault. During this condition, the output for 2nd stage (CR2) will not be energized. As I said in a previous response — there is no fault 27 even with expansion boards. Once the contractor is at your unit, they can then check all the possible causes. which is the factory default on units that ship without economizers. 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. Y1 calls for cooling and goes back thru the economizer control. Please provide the model and serial and I’ll see if I can help. Find out how we leverage our unparalleled residential dealer network and world-class commercial support services to lead the industry. I have two cards that do not pass the signal Y1 and Y2. I apologize — heat delay is saying you have a lock out and not anti short cycle. The manual gas supply shutoff valve must be in the open position, and the control switch on the gas valve must be on. Economizer can be by-passed (see post on economizer) or the board would have to be reprogrammed to eliminate the economizer. I ended up with a green steady 1 flash light, which I understand means that the furnace and thermostat are trying to communicate. There is 24volts at Y-out and Econ at the board. FC 7 – Freeze stat trip on 1st stage. Hi, I am working on a single stage cooling simplicity board. when i reset unit same thing with no codes i have replaced the board and tstat same thing. 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. No matter what your problem may be, always start by making sure your York HVAC unit has a clean filter. 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. 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 . Flashing Code 11. Check if the circuit breaker has tripped and reset it. Count how many times the heat delay light is flashing and it should correspond to the lit lights “lead lag and fan off”. These units can be equipped with factory or field installed electric heaters for heating applications. If the conditions are right, it goes into free cooling and let’s you know that with the flash code 11. setpoint is at 10% min damper position and D the loweset temp setting to turn Econ on. Show the error heat delay,Lead leg and fan off. You do a service to our trade, when I retire I want to do the same. Both stages of cooling are calling second stage cycles on off first stage is locked out on free cooling . 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