Question about Heating & Cooling
The AC works fine but when Heat is turned on the unit will not start and the control board in flashing a code 20. this is a single unit.
Check control board make sure no wiring is on twin on board or touching it. If so remove it to correct location. If no wiring there, board replacement.
Posted on Nov 02, 2020
well i need to know if the fan comes on at all if not then it could be a bad motor or board which is not uncommon but if the fan does come on and then flames go out and fan stays running could be high limit check to make sure in the bower compartment there are no wires disconnected from the blower sometimes when changing the filter it is possible to knock the wire off the board
Posted on May 19, 2009
Look at the contactor on the condensing unit, remove the low voltage wires to the contactor and turn on the system. If the low voltage fuse doesn't blow, replace the contactor.
Posted on Jul 07, 2009
I'm not sure what the problem may be but you could try calling All Seasons RV Appliance Parts & Service. There number is 1-800-344-0673 they have helped me in the past. That and there tech calls are free so it wouldn't hurt to give them a call.
Posted on Feb 16, 2010
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