Question about Carrier XHB123D X/Y Series Heat/Cool Air Conditioner
I have Carrier Weathermaster 8000 with ces0110057-02 control board.
When thermostat calls for heat, I hear click on the board, diffuser turns on, ignitor glows shortly after... and then NOTHING. I measure V across 2 terminals on gas valve as well as each terminal and ground. All measurements show 0V. Main blower works fine since I can turn my fan on and it runs. I checked 3A auto fuse on the board and it has not blown. I checked the wire terminals and nothing seems loose.
Do I have a bad board? If so, is it worthwhile to spend $$$ on the replacement board? My furnace is 13 years old.
Check the two wires coming directly off the transformer. They will be connected to the board the line voltage will be black and white and the 24voltage will be something like blue and red undo from board and check to see if you have 24 volts there. If not your transformer is bad 10 dollar part. Take it to Heating and Air parts house to replace. Let me know ken
Posted on Dec 13, 2008
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Posted on Jan 02, 2017
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