Without the make/model number its difficult to troubleshoot.
Could be the probe not sending the signal back to the board..
If this is the case, that gives 2 options.. probe is bad/going bad.. or board is going bad
make sure the ignitor/probe is in the flame good. You can take any corrosion off with steel wool.
When the WH fires up, does it sound like a jet engine?
Is there any corrosion around the solenoid(s) on the gas line?
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22 Year Air Force Civil Engineer, Retired.. Generator Tech at Grand Forks AFB, Part time RV Tech and Parts Manager at a Jayco Exclusive RV Dealership
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