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JimWilson  
#1 Posted : 11 years ago
JimWilson

Rank: Member

Groups: Registered
Joined: 8/31/2013(UTC)
Posts: 3

Looking for some schematic's for the main control pcb. The compressor is overheating because the fan is not turning on. It intermittent tho it works sometimes. I have replaced the fan thinking it was the fan but its not. If I catch it in time (freezer temp getting warm) and put a basic floor an blowing air on the compressor the temp will recover. I'm pretty sure I have a bad relay on the main control pcb AP4411082 that turns on and off the fan and I would like to pull the pcb and replace the relay (much cheaper repair) but I'm unsure what relay it is.
Any help would be appreciated.

Thank

Jim
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richappy  
#2 Posted : 11 years ago
richappy

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Schematics of electronic boards are not available. Also, relays are very reliable, almost every time, the board electronics are bad.
JimWilson  
#3 Posted : 11 years ago
JimWilson

Rank: Member

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Joined: 8/31/2013(UTC)
Posts: 3

I would agree but with this being an intermittent problem and the fact that I taped them with a screw driver and the fan started working its looking to me like a stuck relay. I should be able to determine the relay for the fan with a volt meter. I can buy a relay for 3 bucks I think it's worth trying before spending 2 hundred that's all.
richappy  
#4 Posted : 11 years ago
richappy

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Look on the back of the pc board for a bad solder connection, your most probable problem.
JimWilson  
#5 Posted : 11 years ago
JimWilson

Rank: Member

Groups: Registered
Joined: 8/31/2013(UTC)
Posts: 3

I can't get it to fail now. Pulled the control pcb and checked it for bad solder joints but found nothing wrong. Re-installed the pcb and the freezer has been at 0 deg for almost 2 days now. The compressor is running a little hot guessing because I have the back cover off and this does for force the air flow correctly.

I don't know what I should do, it's only going to happen again.
richappy  
#6 Posted : 11 years ago
richappy

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Joined: 9/10/2007(UTC)
Posts: 9,586

Was thanked: 2 time(s) in 2 post(s)
Get non-residue contact cleaner at Wall Mart and spay all connectors while removing and connecting.
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