Going Over A Blower Control Board HVAC
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- čas přidán 23. 11. 2017
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Keywords: HVAC training videos, blower motors, blower control board trouble shooting, air handler circuit board, how to troubleshoot a blower board, Goodman blower board, HVAC blower board troubleshooting, how to tell if a blower board is bad, air handler blower board - Jak na to + styl
If you'd like to support the channel, you can do so by shopping for whatever you need on AMAZON through this link,
amzn.to/2A82m7z
Lex Vance is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.
This page contains affiliate links, which means that if you click on a link and make a purchase, I’ll receive a small commission. Thank you so much for supporting dirty maintenance nation!
Thank you so much for that I will be watching this over and over till it sticks in my brain.
Andy Galindo You're welcome Andy! Ill do more about them in the future. Thank you so much for watching Andy!
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Great job! I was looking for a detailed description of this board and could not find one. Thanks!!!!
Botanical Gardens2 Thank you! I talk a little more about blower boards on another one of my videos titled " How To Use A Volt Meter". Thank you so much for watching Botanical!
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Lex Maintanace guy from s.c saying thank you for your videos ...plz keep them coming
Edfreded C You're welcome! Thank you so much for watching Edfreded!
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Thanks skid awesome knowledge if you have the time learning circuit boards will never get boring keep em coming Brother very much appreciated
chris currie You're welcome man! Thank you so much for watching Chris!
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my hvac system has this exact same panel, you saved me so much money and time, thx bro
You're welcome zeomax! Enjoy that cash you saved! 💰
I really enjoy your Maintenance videos keep up the great work
matt brakefield Right on! Thank you so much for watching Matt!
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I like your videos.... thanks, every day I'm learning something new.
erick guardado Thank you so much for watching Erick!
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This is a very good tutorial, and it helped me fix my own problem.
Awesome! Thank you so much for watching Howard!
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Nice vid. I've replaced many of these. Ive always noticed visual damage on every board. They are expensive. I rewire it sometimes with a relay and sequencer if I dont have a replacement.
Right on. Ive heard doing that will last longer. Thank you so much for watching Tech!
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Thanks for sharing your wisdom and knowledge!!
Danny L You're welcome! Thank you so much for watching Danny!
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This is amazing! Same board I have. Fan motor wouldn’t shut off, tstat was good. Between common and NO had melted the black casing.
Thank you so much for watching!
just found your site you are the best please do more thanks !!
PBS #007 More dirty maintenance land to come! Thank you so much for watching PBS!
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Ty great video
Good job, Lex 👍
Jim Zeidler Thank you Jim!
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Spot on skid. Great video lex
FLUBZERO Thank you for watching FLUBZERO!
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Troubleshooting Goodman parts with Skid, life is great. I just subbed up. When are you going on the tour of the Goodman factory?
polishtheturd mickelson If Goodman called me & wanted to take me on a tour, ill do it. Until then ill keep pushing their turds. LOL Thank you so much for watching polishtheturd!
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💥 straight to the point!!!! keep doing vidios like thet bro
Thank you so much for watching Denys!
Thanks for videos
Thanks for this video it is Golden much needed understanding for school
Thank you so much for watching Jelly Roll!
Great job love your channel!
Marty French Thank you so much for watching Marty!
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thanks for this tutorial , pretty instructive as allways
You're welcome! Thank you so much for watching, Vedado!
excellent!!!! thank you for sharing!!!!
Thank you so much for watching jimbola!
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Good one Lex👍
Nor-Cal Refrigeration & H.V.A.C Thank you Nor-Cal! And Thank you for watching skid bro!
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Great as usual
NETWizzJbirk Thank you for watching Justin!
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Thanks it help a lot, good video.
Ruben Gonzalez Awesome! Thank you so much for watching Ruben!
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Awesome job 👍thank you very much
Thank you so much for watching Kenneth!
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very helpful and simply explained
Thank you so much for watching Christian!
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Thanks so much
Good video thanks for posting
Zw Spiller Thank you so much for watching Zw!
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Nice job and video like always
Thank you so much for watching Donnie!
Thank you, very informative
You're welcome Manuel! Thank you so much for watching!
Wonderful video
Thank you so much for watching Luis!
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Really helpful video bro.
Thank you so much for watching Jose!
good explanation
Thank you so much for watching Jay!
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Should I manually pump down replace stem vacuum 500 microns release from pump down
Great video
Thank you so much for watching Luis!
Great vid thanks !
Jason Smith You're welcome! Thank you so much for watching Jason!
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Thanks 4 good helpful technical video post..
Thank you so much for watching!
thanks bro i was very confused by the park terminals LOL
Thank you so much for watching Game!
K thank you Vance
Thank you!
You're welcome Jake!
That’s exactly my problem fan won’t shut off thanks very helpful
Also metallica rules
Ride the Lightning! 🤘 Thank you so much for watching Romarro!
It’s weird it never happened to me before it makes the sound you know when it opens and closes but continually and won’t stop l put a new board and it does the same thing thank you
I figured it out thank you for your videos are very helpful
What a cute little board.. just a lil fella. I like the goodman furnaces on account of how they are laid out inside, and universal parts fit ok... york/guardian not so much
jason It is cute lol! Thank you so much for watching Jason!
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Jason, do you have any other issues with the Guardian line of equipment? I seen them in the York supply house. Their paint job reminded me of a Goodman. Not a resi guy, just do commercial work. But, just am curious about them.
I think its harder to get parts for the guardian, and that could be just me in my area. I don't work on many or encounter many. They are just not that popular. (or it could be that they are way popular and never break down) I tend to do new installs for my side job, and I offer the goodmans. They are the chevy cavalier of furnaces
There are only 2 York supply houses in my state I believe. They are 1/2 hour from each other. Their furnaces and A/c's look like a goodman
You're amazing bro
Thank you so much for watching Lahoucine!
Hello Sir, you mention a fan, are you talking about the fan outside?
great video thanks for sharing..👍👍👍
You're welcome Carlos! Thank you so much for watching!
nice vid ,skid, do you ever get cracked or bad heat exchangers with those goodmans?
Capitol Refrigeration,Heating,and Cooling I've only dealt with electric heat strips in heat pumps. So far so good with those. Thank you for watching Capitol!
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Good video,skid.
Michael Lee Thank you Michael!
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Hi Lex, my one turns on for a few seconds than power off,? Where is the circuit board is it broken, thank you in advance
I have a goodman heatpump and air handler with new outside coil, compressor,capacitor and contactor. I am sure freon is full and thermostat is good. Problem, turn on a/c and outside and inside turn on and when it reaches temp both turn off. Turn on heat outside and inside turn on and when it reaches temp, outside turns off and air handler keeps running,thermostat is no longer asking for heat, I can turn it off manually on thermostat. Please help?
Hey can you tell me how you ran the wires for the fan motor on the train set fun board that purple wire and where can i get that fan would really appreciate it and thanks again for all your videos
My co-worker made that. Its a long process. I'd have to be there with you to do it. Thank you so much for watching Jelly!
Thank you VERY much, Lex for the extremely valuable information you provide! One quick question on this board. I have not been able to find the "Goodman Part number PCBFM131" to replace this unit. I did, however, find a "revision D" board (like you have here). The original is a "revision B" so I was a bit skeptical purchasing it. It looks nearly identical but looks can be deceiving when dealing with electronics. Any advice is greatly appreciated. Take care!!
Hmmm, thats a great question. I haven't dealt with the newer versions of these boards. I have dealt with the new defrost boards though. They were slightly different but the same terminals were still there which is all that matters. Just take it letter for letter. Thank you so much for watching Pipkin!
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Call goodman parts Dept they'll give u specifics
Ok I will do that I also have a very bad valve stem leak I just got the removal tool yesterday but it sprays out once the cap comes off I'll make some videos so U can better Understand stand from my point of view
that lousy relay .mounted on the fan board and built in china.it is prone to go on fire ....welding the contacts and always keeps the blower in the running mode...on the other hand thanks to that fault i earned my pay check on this monday april 29 2019.thank you mister Vance.for the experty God bless you
Thank you so much for watching Genaro!
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I believe ther is a way to use 2 speeds on this board,connect the high voltage to the COM and connect high speed from blower to N.O.,then connect a wire from N.C. to a sequencer and have your blower low speed on that sequence……will it work?
I've never done that before. Try it out and let me know what happens. Thank you so much for watching Ray!
Hey Lex I found your videos T-shooting a problem with my Control Board.(Fan continuing to run) My relay failed, burnt at the NC connector to the Sequencer. Bought a new sequencer and have a board (1) day shipping with Amazon. Supposed to be the upgraded version equipped with a fuse. Is this a common? These relays failing? house built in '06. Thanks for your vids.. Really a life saver!
It depends on the unit. Some of the Goodmans boards where I work have never had an issue & some always have an issue. ALL 192 of them were installed at the same time. Thank you so much for watching Yack!
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Thanks
Thank you so much for watching Fred!
My system is short cycling when it gets hot if I remove my filters in the house it stops the problem. Do you think the blower control board is getting hot causing the system to shutdown? I already checked the evaporator coil it's clean and no ice the condenser is clean also
The filter may be too thick. I've seen thick filters cause problems. I always recommend the thin cheap ones. The system needs to breathe and have good airflow or it creates a drag on the system. Low Freon pressures and everything.
For the relay when it’s say NC, NO and COM the way it should work for example if I want to run my Red wire ( slow speed ) from the motor I would place it on com and then place one 120v leg on NC?
I don't have a board available to look at and I haven't seen one of these boards in a long time. 🤔
You say the field wires are the 24v wires going to the condenser outside. What is the best way to determine which wires those are. Thanks!
The wires going down into the chase go out to the condenser. The wires going up into the ceiling are usually going to the thermostat. Hope this helps!
Can the sequencer be replaced easily if it goes bad or do u have to get a whole new board?
Do you mean the sequencer on the board? If so, then yes, you've got to replace the whole board. Thank you so much for watching Bluelight!
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What if the tstat is sending signal (24v) to the G terminal on board and the NO relay is closed while you are testing it with continuity or power (120V) ?
Francisco Castellanos I'd have the power off when testing between N.O. & common to see if its welded closed. Thank you so much for watching Francisco!
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I have a question l have the same Goodman board everything is connected right l went through diagrams but when l turn thermostat on any cool or fan control board make a rattling noise and it won’t stop until l disconnect the black wire coming from the fan motor which is the speed please help me if you can
A rattling noise? That's weird. I've never heard that before. Maybe the relay on the board is going bad. It's too hard to tell what's going on. Sorry man. Thank you so much for watching Fredis!
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HI Lex. So with my Goodman the fan is not coming on. 240 coming in to transformer and 24 going out. 24 at T-stat. but it disappears at the green wires in the AHU. I saw you get a beep from the normally closed continuity for a fan that won't shut off....but what am I looking for when I check NO? Should that beep or not beep? (If my multimeter doesn't beep...what would the digital reading for good and for bad be? Thanks.
Turn the power off. Then, pull the red & green wires out of the t-stat & wire nut them together. Turn the power back on. If the fan comes on, you've got a bad t-stat. If the fan doesn't turn on, turn power back off & pull the wires off the N.O. & common terminals. With red & green T-stat wires still wire nutted together, check for continuity between N.O. & common. If it never beeps with the power on, then it's welded open & needs to be replaced.
Thank you so much for watching Steve!
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The fan wire goes to the 240 Volts???
The desired speed goes to C
For normally closed I do not have a sequencer where can I connect it from?
Fado Portugues Yes the fan wire goes on C. C stands for common. I'd have to be there looking at it to see what else you for going on. Hard to do through CZcams comments.
What do you mean by field wires? The thermostat ?
The 24 volt wires going out to the condenser outside. Thank you so much for watching Dennis!
I have a question I have the same goodman air handler with the same circuit blower control board I check the low and high pressures to see if there any leak but it doesnt pressures are fine it has a clean filter and I keeps cleaning the coil once a year but my ac keeps getting frozen up often what can b the reason for that thank I will apreciate your help
I've seen fire dampers in the plenum close. That restricts air flow and causes units to freeze up. If the filter is too thick as well.
The original Goodman motor has black/red/blue wire for 3 speeds. I cannot find this original motor. Now I have a motor having the same specifications but it has an extra white wire. I believe that white wire is for common. Where should I plug the white wire in?
The common side of the main terminal block I would assume. I'm not there to see so I'm not 100% sure.
excellent x-plaining
Thank you so much for watching N. Davis!
Do the R C G connections connect to thermostat?
Yes
I’m trying to add a C wire for a Honeywell Lyric T5 thermostat. Which wire on the Goodman board should I piggyback onto?
This is an apartment unit with electric heat.
kiehna84 Maan thats hard to answer by not being there looking at it. Sorry man!
Thank you so much for watching!
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Ooh a trick question. I got this. The answer is the C wire.
Most tstat wires have one or more spare wires, use blue if available, but any color will do. Find same color wire in bundle that connects to blower board from tstat. Connect it to same wire that is connected to C terminal on blower board. They probably are wire nutted. Make sure power is off at breaker for INDOOR unit. Most Hvac systems have two Breakers, one for inside unit, and one for outside unit.Since this is an old post, future tstat buyers who have to have a C wire to get their new tstat to operate can follow this.And remember, ...when in doubt, when in fear, always call the Chief Engineer.
i love how i found this video AFTER i unfucked myself on reading the schematic and tracing the wires the old school way instead of KNOWING what the wires do on the board. i DID use it to speed up the blower motor though!!! such a cool trick to pop the com onto the m1/m2 and then black to the com to simply speed it up
what're the long term disadvantages? premature motor wear?
Thank you so much for watching!
Do you mean coming out to the field wire is to the thermostat?
Yes
Thanks Lex, exelent video...keep the great jpb dude
Thank you so much for watching Osbaldo!
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I have a issue where my blower fan is coming on between cooling cycles for about 2 minutes and shuts off. It is on a rheem heat pump. Blower motor and thermostat has been replaced by my ac repair man. Any advice as to what this could be? Thanks.
That's a weird one. I've seen low pressure and high pressure switches kick units off after a minute or 2 due to low freon or a restriction in the refrigerant line. It does that to protect the compressor. If your unit doesn't have low or high pressure switches then I'm stumped and would need to be there with my volt meter.
It’s a model rh1t3617stanja. The unit is about 5 years old and still under warranty. It is still cooling well and otherwise fine. I can turn the power off at the main breaker for a few minutes and the problem goes away for a few days and returns. Really odd.
Will this explain why my blower motor will kick on for 1 second like its going to start and then stop.
It could be. Usually though it won't come on at all if the board is bad. Take the red & green wires out of the thermostat & wire nut them together. If fan stays on, you've got another issue. Hard to tell by not being in front of it to look.
Thank you so much for watching Carlos!
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Enjoyed your video. I'm having a problem losing power. My outside unit turns on and the blower motor comes on with nice cold air coming out of the vents. However, after 60 seconds or so, the blower motor quits. I held my voltage meter on the cool lug of the board while the motor was running (126v) after a minute or so, the motor quits and the lug is 000. The outside unit continues to run. The fan just "bumps" a few times and then it may run for a minute or so. Is this a faulty control board? Thank you for any help.
Could be a pressure switch. Also check the float switch and make sure it's not full of water. If it's a pressure switch, you'll need a technician to check refrigerant levels. This is a tough one. I'd need to be there for this head scratcher.
@@LexVance I might have found it, I drained the pump, half full, and then put my shop vac on the pvc line coming from the coils. Put it back together and so far it's running as it should. Keeping my fingers crossed. Thank you for the response.
I replaced those in almost every unit in my property.
That black box relay burns fills the unit was smoke sometimes the resident calls The fire department.
igrowdro1badmf Wow! I hope ours don't catch fire. Thank you for watching igrowdro!
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When your property reaches about 10 years old they will all go bad at once. they don’t catch fire literally that black box burns itself out sometimes it sticks the heat on
wires Melt together
Happens at my property sometimes. The old board never has a fuse also. Since we replaced with ones that are fused we haven't had any problems
igrowdro1badmf Awesome I can't wait! 😂😂😂😂👍
so numerous pointless fire truck rolls, because someone choose chinesium relays with garbage contacts for their design, gotta love it ;)
it could have been upstream suppliers selling lies and inflated specs...
I have a problem with one of this;When I turn on the Heater,the blower works normal but when I switch it to the COOL position the blower stops and it won’t run not even on the ON position on the thermostat.Should I assume it’s the board that’s faulty?
Weird! I'd need to be there with my volt meter. It may be the thermostat not sending 24 volts to the board. It could be a few things. Sorry man. I'd need to be there for this head scratcher.
Were you able to find out what was wrong? I have the same problem.
Wannabe HVAC guy here with a question: If I'm in the basement working on the air handler and the owners twin daughters are home from college and corner me alone, am I supposed to fight my way out or would I be forced to succumb to their advances?
hwoods01 If they're a 1 - 5 on the looks scale, you're gonna need book it out of there. 6 - 10 you succumb to their advances. 👍😂👍 Just be careful, you may become a victim of stage 5 clinger
LoL! Thank you so much for watching hwoods!
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I wish u would had Been my professor in trade school...
Milton Bonilla Thank you for the kind words man. And Thank you so much for watching Milton!
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If I want to just turn on the fan blower, do I just need to jump the R and G channels?
Yep. Pull the red and green wire out of the thermostat and wire nut them together. The fan should turn on.
Any idea why my blower control relay would melt and begin smoldering and the on-board fuse NOT blow? It's a good thing I was home. ;)
Usually it's due to a loose wire connection. A loose wire causes arching and gets hot. The fuse is the 24 volt low voltage. That's why it didn't pop. And the part that melted is where the 240 high voltage goes.
@@LexVance Holy cow, man! You posted this video 4 years ago, I ask a question, and you answer it in less than an hour?? You're awesome! Thanks so much for your insight on this!
Hey lex. Are you officaly certified in anything or has your property just learned to trust your experience.
Yes I have EPA & CPO certifications. Other than that, they trust my experience. Thank you so much for watching Jesse!
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@@LexVance No problem I have watched your shows more and more this passed week. Just looked those certifications up. Hvac and Pool certifications I see. Just getting my feet wet in the maintenance industry and i came to the conclution that apartment maintenance is a great place tp start as stuff is constantly getting jacked up. I can do simple plumbing fixtures and can install outlets and switches. I also have no problem doing grounds as you say. Im 23 and the only thing ive done close to maintenance is a groundskeeper at a industrial facility. Im hoping with those basic skills i have will get me in the door to help out a lead guy. Hoping I can pick his brain in Hvac and Pool maintenance. Then going for those certifications you obtained. Hopfuly leading up to running my own property. Im open to any advice and thanks for the helpful vids.
I have a board that quit. Its looks basic compared to the one in your video. Has only R,C,G and the same three connections on the relay. I believe I have fixed the problem by repairing a broken etch. It was corroded and open. I would like to test this before I put it back. Its a difficult spot to work.
I have a 24 volt transformer. If I connect the 2 wires from the transformer to the R and C should I be able to jumper from the R to the G (simulating the thermostat calling for cooling)
and then measure the Normally Open contact to now be closed (shorted to the COM) on the relay. This would complete the AC path for the blower motor. If the relay closes
then I should have a good confident level its working. What's your thoughts. The numbers on the board are 1005-83-100A. On the side of the relay 1005-100 8901.
Thanks, Ken
Putting R & G together will only turn your indoor fan on & yes, you can do that with the tstat wires. R, G, & Yellow gets the indoor & outdoor (compressor) unit going at the same time. Thank you so much for watching Ken!
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@@LexVance To test, I have a 3 HVAC (used for air conditioning). I removed the control board from one and replaced it with the one that does not work. I know
the control board was bad. The thermostat turned on the outside compressor but when I measured voltage at the output of the relay board I did not have 120 volts.
No power going to the blower fan. Upon inspection of the board I found a open etch from corrosion. I replaced the etch with a wire. I tested the board with an external
24 vac transformer by connecting to the R and C terminals. I then ran a jumper from G to R and the relay NO contacts shorted just like it should to supply power to the blower motor. There appears to be many of these boards on the market. This one is very basic with a built in fan timer. I could not find the original one the web or ebay (1005-83-100A) on the relay was marked 1005-100-8905 but did find
some very very similar units with only R,C,G contacts with relays of the same voltage/current spec COM, NO, NC and with fan delay for $20 brand new at Grangier. I might
buy one for a back up in case one of the other 2 go. I did find some similar units,
ICM HBOR224A9X60 on ebay.
Ken
@@n1kkri Sounds like a head scratcher. I would need to be there with my volt meter for this one.
@@LexVance I think I am all set. The repaired unit should work and I found
another board new for around $20 with the same exact features including built in fan delay with the R C and G terminals, 24vac and same rating on the relay. Ken
LEX I'm having some problems with a Goodman heat pump 2.5 ton and would like to ask U for a little help I have power at the indoor and thermostat but no power going to compressor or condenser fan motor I changed contactor and capacitor and Thermostat I'm lost now only thing I can think of is rewiring the out door portion
Quentin Riddick is there power coming to the contactor? Check the bottom of the contactor and see if theres 240 volts when you touch the black & white wires coming in from the disconnect.
Sorry was at the store but yes it's 250 at contactor
I'm doing inventory in a little while but I'm free now to talk
Email me So I can give U my Number I'm coming in on another Maintenance Supervisor s job he retired and I didn't meet him but it's a nightmare Sorry here's the email address riddickq252@gmail.com
Quentin Riddick Is the contactor pushing in? If the contactor ain't sucking in, you have a low voltage problem. That's why no powers getting to compressor & motor.
This board can also be replaced with a relay
Yep, that is correct. Thank you so much for watching Moises!
Worst FCBs ever built. I replace those things about once or twice a week. They normally just melt down in my units. Have to replace the wiring from the sequencer to the FCB and strip out burned wire from the fan motor. Goodman is such junk.
Yea, I've seen a lot of pictures of crispy ones on Facebook. Thank you so much for watching Ken!
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Do work shun!!!
texture6 Thank you so much for watching texture!
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You got just keep the content flowing. I want to get into the same field of work as you.
looks like a board out of a children`s toy
Yea, it's tiny. Thank you so much for watching bob!
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😂
Milton Bonilla Thank you so much for watching Milton!
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Great video
Cory Wade Thank you so much for watching Cory!
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