Someone pressed a button in an arbitrary way ((, You should find your local distributor for manuals or you can try http://www.york.com. I check all thing but I dont understant prob .. do not look at the “wording” like “heat delay”. I’m sorry for my English. At the thermostat, is there RC and RH terminals? If not — you have a bad board. The units are completely assembled on rigid, permanently attached base rails. it powers up but then shuts down in about 10 mins and there are no codes flashing on board if i reset power it does the same thing. Nearly every manufacturer has different flash codes. 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. Any INFO would help. My unit is a zh102n15p2dta5a there is a economiser package . Packaged Heat Pump. Flash code 9 … I already replaced the board per York but problem still persists any info on this . All piping, re frigerant charge, and electrical wiring is factory installed and tested. Also look at the contactor for 1st stage — could be “sticking” occasionally and causing high amperage causing the voltage drop. 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. Thank you for the input. 10 years, I was an engineer in the service of York-Ukraine. Then turn on the power and see if the unit starts. How many times is the D18 LED flashing? 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. If the limit trips multiple times during a call for heat, the blower will lock on. Remember that the run capacitor won’t have continuity once tested if dead. are there any flash codes? 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. As I said in my last response, I feel it would be best to call a qualified contractor at this point. The issue im having is 2nd stage heating not coming on. Check if the circuit breaker has tripped and reset it. Thanks for your time. that’s the problem ? Currently working on a York rooftop unit. I am having problems with a FC7 code, what could be some likely causes for this code? Compact and efficient, YORK® Residential Packaged Equipment consolidates all the components of traditional, split HVAC systems into a single unit that sits outside your house. If a freeze stat were to trip 3 times within a two-hour window, the control locks out CR1. I believe “heat delay” is a 2 which is a 5 minute anti short cycle delay. Hope this helps. Recycling did not work. Friends .. york package unit model dms300 . We have a York M# ZF240N24AAA1B S# N1A0506845 That will not let C1 or C2 energize on the board. Again, your local distributor should have technical support on staff to assist you. 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. it could just be a “glitch or a 2 followed by a 7. Both are designed for outdoor installation on a rooftop or slab. 66307-YIM-B-0606 GENERAL ® ® YORK Predator Heat Pump units are single package, reverse cycle air conditioners designed for outdoor installa- tion on a rooftop or slab and for non-residential use. 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. There is 24volts at Y-out and Econ at the board. 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. #ZJ037N09P2AAA5A which went into a fault. We woke up through the night and the heater is not working. Meaning: sensor T2A fault Error code: E4 With a 2-stage stat, Y2 can call for compressor cooling if the economizer can’t keep up. then you can see which safety is open, 8 to 10 time light flashing then start and stop the flash light continues flashing.. please provide the diagnosis code and also wiring diagram. Check if the motor is itself burnt out and replace. Blower fan does not stop running. Based on the this code i’m thinking a low-pressure lockout. Hello- I am getting 9 flashing red leds on the board only. Then you can use the chart in the post to diagnose the problem. Clear if need. Nearly every manufacturer has different flash codes. How is the unit controlled — t-stat, BAS? Also for: Ysc120, Ysc060ad, Ysc072ad, Ysc090ad, Ysc102ad, Ysc120ad. There should be 24 volts present there. Also for: Ysc120, Ysc060ad, Ysc072ad, Ysc090ad, Ysc102ad, Ysc120ad. The units are completely assembled on rigid, permanently attached base rails. Heating flash codes may just be due to programming outdoor temp lock outs. I’m only getting 88•F out of the supply. This LED flashes a fault code in a series of green, amber or red light flashes to signal normal operation or system problems. 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 would get 27 consecutive flashes followed by another 5 flashes. All pressure switches and freeze stat’s are closed and low AMB is open. 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. I have a ZJ048N06N2AAA1C. Within the manufacturers, the flash codes can be different from one furnace to the next. Your blower should stop. does it go into a HARD lock-out every time? Remember — the flash code is not telling you want is wrong but is looking at symptoms. 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. Every thing is ok. The date of production/manufacture or age of York® HVAC equipment can be determined from the serial number located on the data plate. It will go into cooling for an hour or so then Code 11 Flashes. This completely by-passes the econ. 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. Meaning: sensor T1 fault Error code: E3. ( Log Out / 2. Fault Code 24 points to the violet colored furnace fuse. http://www.johnsoncontrols.com/buildings/hvac-equipment/rooftop-units. 036-21757-001-0416 York 3-6 Ton Packaged Unit Overview . I am working on a York Millenium 40 ton rooftop, about ten years old. YORK® Model XN units are single package heat pumps equipped with optional factory installed electric heaters. If you hear water in the vent motor, that could be your problem. Change ). Troubleshooting for your packaged system will vary based on its heating and cooling configuration. 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. Open the front panel of the unit and press the aux. Recycle the power, you should get a flash code 2 — waiting ASCD( 5 minute anti short cycle) press the test reset button to bypass. 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. You have an improper thermostat setting or it might be defective (the entire component). Single Stage T- stat I believe. Now a week later customer calling saying that the heat isn’t keeping up. Packaged Gas/Electric. Next to the light is a NUMBER. Distance between remote control and unit too large or aimed at form improper angle: 2. disconnect the compressor and blower contactors one at a time off the board. I would suggest you contact your York Dealer and have them check out the unit. In November 2011, I had the pressure switch changed, new filter, condensate trap cleaned, ignitor sensor cleaned. P and P1 are jumped together and R and OOC are jumped together. You could also check belts, motor overheating, etc. 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. what lights are lit on the board? Walk through the following furnace and air conditioning troubleshooting steps to diagnose and address the most common HVAC system 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. I guess I will take a wait and see and see if it happens again. It is using a regular thermostat no BAS. Also for: Predator dm150, Predator dm090. There is access to internal resources. After reading the chat, I decided, you know the answer. Flashing Code 11. 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 . Most of the time the manufacturer will glue a blink code key inside the control box of the unit. A “green” continuous flash on the upper LED is normal operation 1 amber means the board sees a call for cooling. 2. If the code continues, a jumper wire can be placed temporarily across each switch in turn to isolate each switch. Is there a simple way to over ride the fault? when i reset unit same thing with no codes i have replaced the board and tstat same thing. setpoint is at 10% min damper position and D the loweset temp setting to turn Econ on. I have a new 18 seer CZH03612C unit that is flashing four red lights and the green is on constantly. Does the thermostat have a ” C” common wire run to it? Your AC may have insufficient refrigerant. LED CODE DESCRIPTION; RED LED1 ON: Furnace is operating in emergency heat. ADD up the numbers and that is the flash code. Free cooling control is not calling for free cooling . The manual button is just to check the address code and power code of indoor units. My husband checked and at first there were two flashing lights. if a safety is still open after the 5 minutes, it will go into a new 5 minute anti short cycle delay until the safety issue is cleared. When the unit is operated by the auxilliary button it will run only in auto mode. Thanks for any help. What is the model number? Change ), You are commenting using your Facebook account. Packaged Air Conditioners. Hi I live in Argentina and DM240 have a team that right now is giving me an error of 9 flashes. I had set the thermostat to cool the house while I was out and when I returned home it had switched off. 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. It could also put water in the other ubing to the pressure switch or even into the switch itself. I turned the heat up and I was able to get a flame going. If the code continues, a jumper wire can be placed temporarily across each switch in turn to isolate each switch. The run capacitor is having issues or it’s blown making the compressor not to run. At this point I think it would be best to call you contractor. Then take the P10 plug off the board (under the relays). When I checked the furnace I was getting a amber 1 flash light. With all this said, any time there is an economizer in the unit, there should also be a 2-stage thermostat. One of the RTU’s on my building is a York mod. All economizer equipped units should have a 2-stager thermostat. 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. 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. Thank you. 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. ok i have a york unit with this board and i cant figure out what is going on with it. They said they had reset it by the disconnect. I am a local distributor (Ukraine). Thanks for the fast response!!!! Pat, Sounds like you lost the limit input to the main board. When you place a jumper across a limit, the power should be off. Temp sensor checked good. What is the unit voltage? What is the model and serial number of the equipment? 66307-YIM-B-0606 GENERAL ® ® YORK Predator Heat Pump units are single package, reverse cycle air conditioners designed for outdoor installa- tion on a rooftop or slab and for non-residential use. Troubleshoot the boards and see the one needing replacement (you usually need to replace them). When you place a jumper across a limit, the power should be off. ( Log Out / They are manual reset. Model The most recent alarm will be shown first and the oldest alarm will be shown last. newer updated boards don’t have this issue if airflow good.