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Payne PG8MAA 042090ACJA gas furnace

nlodowski

By nlodowski
in DIY Appliance Repair Help

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nlodowski

nlodowski

Posted
Posted

I have a nearly new Payne PG8MAA 042090ACJA gas furnace that is giving me fits.

Background:

Furnace worked fine for about a month (once we sorted out some overheating, updraft issues) then the furnace fan was running but no heat.  I was getting alternating 13 and 31 codes and traced it to a connection problem.  Apparently as I was moving the old unit out of the basement, I knocked a sensor wire off its clip.  Found the wire off, clipped it on and things worked again. 

Soon after the furnace started tripping the breaker a few seconds after it was turned on and we were getting a constant quick flashing code.  (polarity) However nothing was changed as far as the 120v wires are concerned.

After resetting the breaker several times I was trying to get the furnace running and then POP goes the circuit board.  Had a service company take a look and told me the board was fried.  Ordered and installed a new board, I've also tightened the connections at the breaker and put a new switch in the line.  Now we are back to the fast flashing code and tripping the circuit breaker.  I'm afraid if I start playing with it again, I will fry another board.

Can anyone help?

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Bobice Sōhei

Bobice

Posted
Posted

Number one rule of troubleshooting is never reset a breaker until you find the reason it tripped.

Perfect example was when I serviced Commercial Kitchen Equipment at an area hospital.

5 ton compressor for a big walk-in freezer tripped breaker. Another mechanic just reset it without finding why. BAM blew the main feeder to the hospital. Power company sent our boss a bill with a lot of big numbers. :P

Mechanic got two weeks off with no pay and I got chewed out for not watching him.:argue:

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