Question about Heating & Cooling
Your indoor head unit board has been spicked.you need to replace it then you are in bussness again.
Posted on Oct 04, 2009
First, disconnect the power to the unit. (at the breaker) then turn it back on after 60 seconds.
That will reset the control board. If that does not work, it means you have lost low voltage.
Look for a small blade type fuse (like those in most cars) and see if it is blown. Make sure the power is off when you do this.
If the fuse is OK, and resetting it does not work, then you will need to check/replace the 24 volt transformer.
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
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