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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 7725
Experience:  Furnace, A/C and heat pump specialist.
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Mn#DGATO70BDD, MN# DGATO70BDD evcon direct vent forced air

Customer Question

JA: I'll do all I can to help. How long have you been dealing with this?
Customer: MN# ***** evcon direct vent forced air furnace in a mobile home. Problem is once unit go thru in sequence air in furnace Purges, electric igniter glow red, then gas comes on flames up for about 5 to 8 seconds then go's off. Replaced flame sensor, centrifugal switch top sensor w/reset button and lower as well. Note: the green light bleaks once.? When it flames out
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: Functional and brand new
JA: Do you plan on doing the work yourself?
Customer: Yes
JA: Anything else we should know to help you best?
Customer: Yes this past summer we had a small water leak at top of furnace at the exhaust stack and water drip on the cover of main circuit board and found white residue on it.
Submitted: 1 month ago.
Category: HVAC
Expert:  airheatman replied 1 month ago.

Is there a label to tell us what one flash error means? It sounds to me like board may have gotten wet .Board seems to be failing to recognize flame is on.

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