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Old 01-19-2020, 08:36 PM   #1
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Brand: Thor Motor Coach
Model: Vegas 25.5
State: Oklahoma
Posts: 33
THOR #14018
2018 Vegas Atwood Furnace Blower Question

Have a question for an Atwood Furnace expert! After running heater I noticed a cycling/clicking sound coming from the furnace. Opened up the exterior cover panel and found that the blower motor had a constant click and cycling of the blower motor (click and cycle about once a second). Red light on control board would flash in sync with the motor cycle. Flipped reset switch off and back on cycling stops.

Heater will light and heat normally but after shut down the cycling will continue until all coach power is turned off or I open panel and flip the reset switch. I am going to assume its caused by a problem with the control board but thought I would see what kind of comments I get.
Thanks!
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Old 02-04-2020, 09:26 PM   #2
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Brand: Thor Motor Coach
Model: Vegas 25.5
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THOR #14018
Just so you know, the problem with the cycling blower motor after heater shutdown was the Ignitor Circuit Board. Bought one on Amazon, easy fix.
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Old 02-04-2020, 09:28 PM   #3
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Model: ACE 27.1
State: Florida
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THOR #7035
I didn't see your original post but that would have been my guess. Did you get an Atwood OEM board or a Dinosaur board?
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Old 02-05-2020, 10:23 PM   #4
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Brand: Thor Motor Coach
Model: Vegas 25.5
State: Oklahoma
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THOR #14018
Dinosaur.
thanks

Appears the reason the board failed was a little spot of corrosion. Tried to clean it before I replaced it but it must have already failed one of the boards components.
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