Any advice for replacing a motherboard on a Carrier furnace A/C unit?

   / Any advice for replacing a motherboard on a Carrier furnace A/C unit? #1  

newbury

Super Star Member
Joined
Jan 8, 2009
Messages
14,168
Location
From Vt, in Va, retiring to MS
Tractor
Kubota's - B7610, M4700
I've a Carrier CNPVP4821ALA (furnace a/c) that all signs point to needing a motherboard replacement. How difficult is it?
I've done lot's of m/b swaps on PC's.
 
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   / Any advice for replacing a motherboard on a Carrier furnace A/C unit? #2  
YouTube? I did one on an LG Washer. Took maybe 5 min.
 
   / Any advice for replacing a motherboard on a Carrier furnace A/C unit? #3  
Should be pretty easy. I replaced the blower motor on my furnace last week and had to take the flu and mother board out to remove/replace the blower. Everything just unplugs for the most part. Take pictures with your phone, tag wires, etc to make sure everything goes back where it should.
 
   / Any advice for replacing a motherboard on a Carrier furnace A/C unit? #4  
Are you able to actually get the correct unit for it?

You may be able to identify and replace the failed caps, etc, on the OEM board.
 

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