AquaHot 400D burner will not fire
It has worked perfectly for four months. Electric part is working. Diesel part is not
Symptom. Unit goes thru purge cycle, blower running, after a minute or so burner fails to light and shuts down. Burner light in coach goes off.
1. Fuel tank full
2. Expansion tank full
3. Both high limit thermostats closed
4 No faults on the control panel, all green lights lit and appear normal
5 Found no loose wiring on the control panel, or at the burner control box or any where in there
Does any one have any thoughts?
BClemens. Any thoughts out there?
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