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BillHoughton's avatar
BillHoughton
Explorer II
Apr 28, 2015

Atwood gas/electric water heater not firing off

Just filled with questions on our new RV. On our trial trip, four days away in a state park, we found that the water heater needed several attempts, each time, to fire off. It's an Atwood gas/electr...
Class C
enblethen's avatar
enblethen
Nomad
Apr 28, 2015
The flame sensor is not seeing the flame. Make sure the tip of the sensor/ignitor is right in the blue flame.
You can use a long lighter to test the flame sensor. Light the lighter/ hold it directly under the flame sensor/ignitor to see if the flame holds. If it does the circuit board is good and the flame sensor needs to be adjusted. In some cases, the flame sensor/ignitor could have a crack in it and must be replaced.

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