Carrier 58gs075-ga Blower always on, heat works fine
Posted 03 February 2012 - 03:54 PM
If I remove the door to the blower enclosure, hold the door switch down so the blower runs, and then bang of the circuit board enclosure- the blower will turn off. It stays on again next cycle.
I suspect the blower relay(s) of sticking
Could this be right? Can they be replaced or do I have to do the whole board?
Posted 03 February 2012 - 03:58 PM
1) sounds like it ...
... I suspect the blower relay(s) of sticking
... Could this be right? Can they be replaced
2) possibly, if you can solder, etc ..
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Posted 09 February 2012 - 08:35 PM
Posted 09 February 2012 - 08:38 PM
Posted 10 February 2012 - 12:18 AM
Posted 10 February 2012 - 12:22 AM
Posted 10 February 2012 - 06:53 AM
Had similar issue with lennox whisper heat furnace! It was the control brd as well and luckily I was able to fix blower issue by disconnecting wire from blower that went to cool terminal!!! Lennox is pretty proud of there parts I'm assuming due to the price of them! Anyways customer was happy and they didn't have cooling system anyways!
The only worry there is the board has control over shutting down the burner when the unit overheats from a fan problem. The BCC3 board can be ordered through REM now, and I think is cheeper than the one from Lennox. The other issue is G20's (whisper heat) have this affinity to crack the H.E. just at and above the first turn in the rear of the cells. We all use snake cameras now to verify the integrity of the G20 heat exchangers before sinking any parts money in them.
Posted 10 February 2012 - 08:44 AM
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