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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a Dornback DGH-75 garage heater that will not stay

Customer Question

Hello Pearl,
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: I have a Dornback DGH-75 garage heater that will not stay running. The burner keeps cutting off after about 20 seconds of burning. What do you think might be the problem??
JA: Do you plan on doing the work yourself?
Customer: If possi
JA: Anything else we should know to help you best?
Customer: If possible
Submitted: 10 months ago.
Category: HVAC
Expert:  airheatman replied 10 months ago.

Do you get an error code on the diagnostic light? If so what is pattern? 1 flash, 2 flash etc?

Customer: replied 10 months ago.
1 flash and goes out
Expert:  airheatman replied 10 months ago.

Ok does it continue to flash the 1 flash pause repeat?

Customer: replied 10 months ago.
I unplugged it and did not see a pattern
Expert:  airheatman replied 10 months ago.

Lets turn back on and watch to see if we get a pattern If no pattern most likely bad module

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