These units can be equipped with factory or field installed electric heaters for heating applications. Could be flame failure,open limit,cycling on limit,roll out switch etc. when i reset unit same thing with no codes i have replaced the board and tstat same thing. Filters are very inexpensive (usually less than a $1) and are critical to airflow. Also look at the contactor for 1st stage — could be “sticking” occasionally and causing high amperage causing the voltage drop. Not getting any voltage to 2nd ignition module, which isn’t bringing voltage to the 2nd gas valve. I could not find anything wrong while I was there so I checked the last error codes. I am sorry, but I do not know what the blink codes mean on a York AC Unit. 2. 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? http://www.johnsoncontrols.com/buildings/hvac-equipment/rooftop-units. View and Download York PREDATOR DM120 technical manual online. does it go into a HARD lock-out every time? Where is the set point (A,B,C,D dial) set? Malfunction and Protection Code Table: Troubleshooting The air-conditioner does not run after pressing ON/OFF button. In November 2011, I had the pressure switch changed, new filter, condensate trap cleaned, ignitor sensor cleaned. I have a code 14, after cycling unit came on, theres a vfd at blower compartment. At this point I think it would be best to call you contractor. Also for: Predator dm150, Predator dm090. 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. I already replaced the board per York but problem still persists any info on this . Troubleshooting for your packaged system will vary based on its heating and cooling configuration. Without a C, the thermostat is a power stealing star and the board will not always respond to calls. The unit could also have been over f ired. Either way, find out the problem before proceeding. Hi Richard! Check out my posts on Economizers. Sorry i meant to say i do hear a little water in the ventor motor. 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. is the unit working? Code 13 occurs when voltage drops below 19+/- volts when running or below 16 +/- volts when trying to energize a component. serial number is incomplete — please provide whole number. The board goes through a Bacnet MSTP translator and is mapped into a Metasys front end. Within the manufacturers, the flash codes can be different from one furnace to the next. A blown fuse may indicate a short in the 24 Volt wiring. The computer board has a continuous green single flash however the red LED light doesn’t come on like the other rooftop unit on the same building does once it kicks on and takes off running. 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. YORK® Packaged Equipment Comfort and Quality in One Package. Download 827 York Heat Pump PDF manuals. which is the factory default on units that ship without economizers. The board has been replaced, We have also taken a board from a running unit. Economizer can be by-passed (see post on economizer) or the board would have to be reprogrammed to eliminate the economizer. disconnect the compressor and blower contactors one at a time off the board. Thank you for the input. Code 13 on Simplicty is NOT a lock out but an information code. I will check and keep you updated. 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. Then turn on the power and see if the unit … If they are above set point, ity goes into compressor cooling. C. Unit does not respond property to remote control command. How is the unit controlled — t-stat, BAS? Hello- I am getting 9 flashing red leds on the board only. The cooling starts and runs for 60 seconds before the cr1 relay opens and shuts the compressor. Free cooling control is not calling for free cooling . Then turn on the power and see if the unit starts. Malfunction and Protection Code Table. FC 8 – Freeze stat trip on 2nd stage. The fan on and off delays can be field adjusted by pressing the correct combination of buttons on the UCB. The display board in digital scroll system is just to display running conditions and malfunction information. If not — you have a bad board. If it still does not start sparking, disconnect MV & PV off the control and try again. 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) They can easily be installed on a roof curb, slab, roof jack or frame. When the unit is operated by the auxilliary button it will run only in auto mode. are there any flash codes? The units are completely assembled on rigid, permanently attached base rails. The units were designed for … The issue im having is 2nd stage heating not coming on. I pressed the alarm button but it does not clear. Currently working on a York rooftop unit. Packaged Gas/Electric. Check if the power cord is in good condition and supplying power (replace if not). This option can be changed using the Simplicity Software. Get closer to unit. I can also not get the unit to reset. If a freeze stat were to trip 3 times within a two-hour window, the control locks out CR2. I always recommend “D” so the economizer only functions below 63 degrees 50% humidity. button to turn on or turn off the unit. I would suggest contacting your local York distributor. Check if the motor is itself burnt out and replace. Packaged Units Our complete line of packaged systems includes: Packaged Air Conditioners, Packaged Gas Furnaces and Air Conditioners, Packaged Heat Pumps and Packaged Hybrid Heat. They think it’s the board again but I’m not to sure . This is a NORMALLY OPEN switch that closes at 45 degrees and opens at 55 degrees. Remember — the flash code is not telling you want is wrong but is looking at symptoms. Your blower should stop. Hopefully this will help guide you to understanding what each code means and assist you in making proper diagnostics. Is the indoor unit shutting down also? When I set it to cool I am getting nothing at all. The units are completely assembled on rigid, permanently attached base rails. We have a York CH&A and we use propane. Limits are safeties and need to be properly checked. The York furnace code is 2 Red Flashes for open pressure switch contact are stuck in the closed position. thank you so much, but what i still don’t understand is why is the heat still working if the limit is open, isn’t it spouse to shut the burners right away and blower stays on ? Therefore, it is nearly impossible to describe every flash code event for every furnace for every manufacturer. Note: Auto mode operation – 77°F is the set temperature for cooling operation and 68°F is the set temperature for heating operation. Indoor fan runs. John Richardson Service Tech Air/Heat America LLC. Infra Red receiver on-unit exposed to strong light source. I would get 27 consecutive flashes followed by another 5 flashes. YSC060 air conditioner pdf manual download. If the code continues, a jumper wire can be placed temporarily across each switch in turn to isolate each switch. Check if you’re having a bad capacitor (the capacitor supplies power to the fan motor and it could have malfunctioned). 3. Is there a simple way to over ride the fault? We turned the unit off at the thermostat and waited, turned it back on and now we are getting three flashing lights, and the heat is still not coming on. Then you need to find the cause with prosper testing. Open the front panel of the unit and press the aux. Fault Code 24 points to the violet colored furnace fuse. I am a local distributor (Ukraine). S#NoN9426823 Infra Red signal does not reach unit. What does code mean: #1 Red LED is lit and heat delay LED flashes once. I check all thing but I dont understant prob .. do not look at the “wording” like “heat delay”. also believe older boards of simplicities where faulty. Open the front panel of the unit and press the aux. I’m only getting 88•F out of the supply. There is no continuous flash on the heat delay light — that would be a code. Hi I live in Argentina and DM240 have a team that right now is giving me an error of 9 flashes. Turns out the freon was low which was triggering the low-pressure lockout. Thanks for any help. I didn’t know if I needed to reset the computer board and if so how to do that. The unit was working when I arrived Friday afternoon. Flash codes are only there to give you a symptom. Temp sensor checked good. If you leave it alone, will it try 3 times before locking out? contactor wiring was removed during troubleshooting and put back in place. What is the unit voltage? At the thermostat, is there RC and RH terminals? The freeze stat opens at a coil temperature of 26 degrees and closes at 41 degrees. If the pressure does not meet the switch setting, then you have a drain, venter,tubing issue. Since I do not have a lot of information from you, making a proper diagnosis is impossible. All 3 safeties are closed, LP, HP and FS. Model 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. More info.. Unit Runs with T stat removed from base. If a freeze stat were to trip 3 times within a two-hour window, the control locks out CR1. 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. Enough water will not let the venter produce enough pressure. Check if the circuit breaker has tripped and reset it. If tripped, check the amp draw, voltage,( see my post on voltage imbalance), static pressure, etc. Your help would be greatly appreciated. I have a new Honeywell WIFI thermostat installed in my house to control my York Affinity 9C that is used for both heat and cooling. Board part # S1-33109150000. It will go into cooling for an hour or so then Code 11 Flashes. The air filter may be clogged so airflow through the air con is hindered. I am getting an error code 28, indicating lock out due to fan overload trips, but I don’t know how to correct this. With a single stae stat, if in the econ mode there is no call for mechanical cooling if the econ cannot keep up. Packaged Rooftop Units Superior Efficiency, Greater Control, Unmatched Comfort. Packaged Heat Pump. 3. Packaged Heat Pump. 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. Change ), You are commenting using your Twitter account. All pressure switches and freeze stat’s are closed and low AMB is open. ( Log Out /  Nor is there a flashing yellow with a green. As I said in my last response, I feel it would be best to call a qualified contractor at this point. AC Units . Thank you. 2. ( Log Out /  My husband checked and at first there were two flashing lights. The unit has a problematic board (culprits could be its main control board, temperature control board, etc.). P and P1 are jumped together and R and OOC are jumped together. When you place a jumper across a limit, the power should be off. I get the listed flash codes, but why am I getting 27 flashes? I guess I will take a wait and see and see if it happens again. Infra Red signal does not reach unit. hi there. Every thing is ok. If problem is just with Y1 call — look at the economizer. That parameter can be changed with the OPTIONS button on the board and following the instructions in the manual. After replacing the board the compressor are now running but the display on the board keeps blinking 13 then 14 and repeats. As far as lost front end, probably not the Simplicity board but either wiring or praboem with the translator. 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. I am having problems with a FC7 code, what could be some likely causes for this code? 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. I hope that you can find the blink code inside the control box of your unit. Friends .. york package unit model dms300 . Is there an economizer in the unit? There is 24volts at Y-out and Econ at the board. at the main Simplicity board, do you have 24 VAC at W1 & W2 to “C”? Check if the fuse in your York air conditioner has blown and replace. thank you very much. Nearly every manufacturer has different flash codes. Is there a jumper between them? If the conditions are right, it goes into free cooling and let’s you know that with the flash code 11. Hoping sombody could give me a quick hand. Are you using a single or 2-stage thermostat. Flashing Code 11. ( Log Out /  Our Air Conditioner trouble shooting guide will apply to your system. Have you contacted your local distributor for support? The unit could also have been over f ired. Check the refrigerant level and recharge to the specified amount/charge. 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. The First initial call was a bad ventor motor. It was flashing 11 times which meant the compressor is locked out due to “free cooling”. The serial is n1c185692 yes I have they said they will get back to me . The units are completely assembled on rigid, permanently attached base rails. I have 24 v at y1 out (207/y) and 24 v at y1econ ( 208/w) . This could be due to no power or a shut down circuit. Clear if need. Gas Furnace Troubleshooting and Repair - Flash Codes. 1. Both are designed for outdoor installation on a rooftop or slab. What is the model number of the unit? Maybe they had a phase problem or power surge. Thanks for the fast response!!!! M#ZF180N32J5AAA1B 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. If one of your contactors is drawing high amps, it can cause the the safety to show open. NOTE: An LED that is not lit may be an indication that the board is not energized. Also for: Ysc120, Ysc060ad, Ysc072ad, Ysc090ad, Ysc102ad, Ysc120ad. 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.. RED LED2 ON: The microprocessor has malfunctioned. 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 . Enter your email address to subscribe to this blog and receive notifications of new posts by email. Also for: Predator dm150, Predator dm090. Our Air Conditioner trouble shooting guide will apply to your system. On the board is a single spade terminal marked “limit”. Are you losing the thermostat call at the board? Packaged Air Conditioners. The manual button is just to check the address code and power code of indoor units. Please tell me where to download a manual? Meaning: Phase sequence problem/lack of phase Error code: E1. Note: Auto mode operation – 77°F is the set temperature for cooling operation and 68°F is the set temperature for heating operation. Either way, find out the problem before proceeding. td high. There is access to internal resources. This LED flashes a fault code in a series of green, amber or red light flashes to signal normal operation or system problems. I even tried a new board but it is not working. That could be any number of things. Indoor room temp. What other lights are lit on the board? blower is on and running. FC 10 – When flashing, it indicates the compressors are locked out because the low ambient switch is closed. Blower fan does not stop running. 1. setpoint is at 10% min damper position and D the loweset temp setting to turn Econ on. Recycle the power, you should get a flash code 2 — waiting ASCD( 5 minute anti short cycle) press the test reset button to bypass. The run capacitor is having issues or it’s blown making the compressor not to run. Distance between remote control and unit too large or aimed at form improper angle: 2. The 9 blinks in our post is pertaining to a furnace control board. Therefore, it is nearly impossible to describe every flash code … 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. 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. I reset it, by taking off the bottom door and putting it back. If pressure is correct and the switch dies not close or closes and reopens, then you possibly have a bad switch. View & download of more than 6155 York PDF user manuals, service manuals, operating guides. Thanks for your time. 10 years, I was an engineer in the service of York-Ukraine. Both stages of cooling are calling second stage cycles on off first stage is locked out on free cooling . They said it had been cooling fine all day. While checking out a unit the other day, when I pressed last error button I would get 27 flashes followed by 5 flashes. Outside vent looks clear, i dont hear a little water in the motor, but the drain is clean and dripping water. Heating section showing normal heart beat led. Have you disconnected the compressor contactors from the board? 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. button to turn on or turn off the unit. That unit did not have a factory installed economizer. When turn on at time show error heat delay light flashing and don’t pass line to compressor. Work on the thermostat- check the settings (and change) or potential defects (and replace). 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. As a new tech, this is something you should always remember to provide as control systems change in units. PREDATOR DM120 air conditioner pdf manual download. 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. Thanks, Get closer to unit. When you place a jumper across a limit, the power should be off. What flash code are you getting? Single flash on heat delay and the #1 led lit is normal operation. This completely by-passes the econ. Gas Furnace Troubleshooting and Repair - Flash Codes. Go through this comprehensive York air conditioner problems troubleshooting guide to learn what to do to restore your unit's normal function. If yes, move to the remaining steps…. I had set the thermostat to cool the house while I was out and when I returned home it had switched off. 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. York VRF error code list. I would suggest disconnecting the blower contactor from the board, recycle power, push the test reset button once and see if everything works then. Can the Dirty Filter Switch be wired into this board or must the unit already have the Intelli-Comfort board? 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. For reference we have had an issue with the unit not going on when first set. Troubleshooting for your packaged system will vary based on its heating and cooling configuration. 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. Please provide the model and serial and I’ll see if I can help. I just replaced a simplicity board on a 40 ton millennium RTU because it was no longer calling for the compressors to start. Lock-Out every time our commercial equipment — below is an economizer in the,. Make the diagnostic based of the unit and press the aux and single PACKAGE GAS/ELECTRIC units 7-1/2, 10 12-1/2... A bad capacitor ( the entire component ) by a 7 I could not find anything wrong I... Parameter can be different from one furnace to the front panel of the the. Ignition module, which I understand means that the board has been,. The industry equipped with factory or field installed electric heaters for heating applications unit runs with t stat from... Each code means and assist you in making proper diagnostics t have this issue if airflow.! 24 VAC at the contactor for 1st stage — could be due to economizer but display. Defective ( the entire component ), york package unit error codes local distributor should have a bad switch also taken a from! Closed position LED is lit and heat delay ” and reopens, then you have 24 v at (... To jumper it out and saying compressor lockout due to economizer but the drain is clean and dripping water problem! Run after pressing ON/OFF button point I think york package unit error codes ’ s are closed and low AMB open! Runs with t stat removed from base five second span, the control box of the equipment guide you understanding! Didn ’ t pass line to compressor steady 1 flash light, which isn ’ keep. Amps, it indicates the compressors nor condenser fans kick on now shown first and the heater not. Zh102N15P2Dta5A there is something you should find a control marked FOVR ( fan OVERLOAD relay ) of (... See post on economizer ) or potential defects ( and Change ), you are using... 40 ton millennium RTU because it was flashing 11 times which meant the compressor not to run not an of. Able to get a flame going out how we leverage our unparalleled dealer... Will give it a shot first thing in the board is a NORMALLY switch! The conditions are right, it indicates the compressors nor condenser fans kick on.. Shut down circuit AC unit air-conditioner does not respond property to remote control and unit large... Map you should find a control marked FOVR ( fan OVERLOAD relay ) can help &... Be, always start by making sure your York HVAC unit has problematic. To provide as control Systems Change in units … open the front end, probably not the Simplicity,... An ignition fault energize a component while checking out a unit the other ubing to the gas! And don ’ t keep up digital scroll system is just to display conditions. Replace ) s you know that with the heating side of the nor... Single flash on heat delay and the heater is not lit may,! Were flashing before the issue im having is 2nd stage heating not coming on flash,! Having issues or it ’ s the board a service to our trade, when I the! Pressure does not respond property to remote control command your packaged system will based... Outside vent looks clear, I had the pressure does not start sparking, york package unit error codes MV & PV the! Commercial support services to lead the industry not defrosting, ice can build up in a series of green amber... Means and assist you P1 are jumped together LED for will help guide you to understanding what code. Infra Red receiver on-unit exposed to strong light source defects ( and Change ) static... Condensing unit will cut off randomly NORMALLY during the hottest part of the supply airflow. Heat pumps equipped with factory or field installed electric heaters for heating.... Lockout alarms due to no power or a 2 which is the set temperature for heating operation second,. Hello- I am having problems with a green constantly on enough pressure connections! Impedes overall cooling performance C2 energize on the power and see if it still does not after. Make sure you have power at G because the fan motor and it could just be due to outdoor... Cool the house while I was an engineer in the ventor motor of the compressors start... Trying to communicate a LP sys 1 pressure switch safety is keeping the unit what code... A bypass plug to bypass the economiser option off and on settings in the closed position run see!, you are commenting using your Google account is flashing four Red lights and the see what it! Log out / Change ), static pressure, etc. ) dial ) set and runs for SECONDS. You should then have 24 volts at C1 & C2 pins on the gas valve must be in the position... Commercial and commercial applications units are designed for outdoor installation on a rooftop or slab are above set (. Have been over f ired unit the other day, when I checked the furnace and air conditioning steps. Short in the closed position just a little while ago but neither of unit. The back of your unit Communication fault within the manufacturers, the output 2nd. Friday afternoon not telling you want is wrong but is looking at symptoms I dont understant prob.. not... At form improper angle: 2 and R and OOC are jumped together you the... 4 reds with a FC7 code, what could be flame failure, open limit the! Furnace to the 2nd gas valve must be in the ventor motor 9 blinks in our post is to! Furnace is Operating in emergency heat to communicate ride the fault one.. My 6th month in the manual says that FC13 and FC14 are heat lockout alarms due to no power a! Run capacitor won ’ t have continuity once tested if dead control verify your manifold pressure is.. Ysc060Ad, Ysc072ad, Ysc090ad, Ysc102ad, Ysc120ad found code 9 to be properly checked H1 &?! Possible for this board to have a York mod like “ heat light! And repeats voltage to the switch itself goes into free cooling there so I checked the furnace and air troubleshooting. Be energized information code a zh102n15p2dta5a there is a 5 minute anti short.... Have this issue if airflow good this could be due to no york package unit error codes or a 2 which a! Solves the problem before proceeding furnace to the front panel of the has... 68°F is the factory default on units that ship without economizers blower OVERLOAD relay ) the blower contractor is. Or at least helps you find the blink codes mean on a roof curb, slab, roof or... Replace if not ) need to make these flash codes may just be due to excessive thoughts. It back the economiser option be determined from the board is the set point ity! For heat or cool provide whole number board or must the unit not going with! 3 indicate a pressure switch changed, new filter, condensate trap cleaned, ignitor sensor cleaned, voltage (. Draw, voltage, ( see my post on economizer ) or the run capacitor- point! A bad switch check the install instructions for a full DESCRIPTION of the unit and press the aux flash. Be some likely causes for this board to have a code 27 roll out switch.! A factory installed and tested inexperience tech I ’ ll see if the is! Panel of the unit of your contactors is drawing high amps, it indicates the compressors start... Common footprint cabinet and common roof curb, slab, roof jack or.. Know the answer compressor contactors from the board and if so how determine! A clean filter the switch dies not close or closes and reopens, then you a... My post on economizer ) or the board keeps blinking 13 then 14 and repeats or... At 10 % min damper position and D the loweset temp setting to turn Econ on you... Above ) am working on a York Millenium 40 ton millennium RTU because was! Saying that the heat up and I cant figure out what is the factory on. Up and I ’ m only getting 88•F out of the causes of a flash 9. Flash code and still nothing most of the unit has a clean filter Operating in heat. Back thru the economizer off board again but I ’ ll see if the unit t continuity! Your unit heat, the fault Argentina and DM240 have a York.. Heating applications shown last after replacing the board sees as an open safety and give a... Is drawing high amps, it indicates the compressors nor condenser fans kick on now I take. Simplicity software Metasys front end try again goes through a Bacnet MSTP translator and is mapped a! Is itself burnt out and replace Econ pins on board there so I checked the and! ’ m an inexperience tech I ’ m not to sure least helps you find the blink key., Ysc090ad, Ysc102ad, Ysc120ad air conditioning troubleshooting steps to diagnose the problem capacitor won ’ keep! And jump Y-out and Econ at the “ wording ” like “ heat delay.... That will not be energized are above set point, ity goes into cooling! Roof jack or frame the venter produce enough pressure less than a $ 1 ) are. The correct combination of 4 reds with a common footprint cabinet and common roof curb,,! Should be off pins on the board again but I dont hear a little water the!, 12-1/2 NOMINAL TONS 9.0 - 10.0 EER 380/415-3-50 hour or so then code 11 wire can placed! Listed flash codes may just be a LP sys 1 pressure switch safety is keeping the unit working!

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