Urgent help, heater failed
Hey all, we are using our trailer for Thanksgiving weekend and when we set up, the heater runs for a few seconds and stops. We have full hookups so we have electric heaters keeping us warm, but any...
Forum Discussion
Furnace lights off...runs for few minutes and then shuts down
Flame proving circuit
Main flame after lighting off has to 'prove' that it lit and is staying lit.
THat is done using the spark electrode
If spark electrode is dirty (soot.carbon) signal will not go to circuit board
If spark electrode is not in correct position...same
If spark electrode gap is too wide/too narrow (1/8") ....same
If ceramic is cracked on spark electrode.same
If high tension wire to/from spark electrode isnt making good/tight connection...same
If circuit board connectors are not making good/tight contact....same
If main flame lights off.then goes out.......Flame Proving circuit
Flame proving circuit
Main flame after lighting off has to 'prove' that it lit and is staying lit.
THat is done using the spark electrode
If spark electrode is dirty (soot.carbon) signal will not go to circuit board
If spark electrode is not in correct position...same
If spark electrode gap is too wide/too narrow (1/8") ....same
If ceramic is cracked on spark electrode.same
If high tension wire to/from spark electrode isnt making good/tight connection...same
If circuit board connectors are not making good/tight contact....same
If main flame lights off.then goes out.......Flame Proving circuit
