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Old 05-14-2022, 02:15 AM   #1
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Brand: Thor Motor Coach
State: California
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THOR #16740
Furnace Blower

Taking Hurricane 29M out of storage. The furnace blower came on and won't stop. I took off the exterior cover and hit the 'off' switch. Waited a bit then hit the 'reset'. It started blowing again.
No heat or cold air coming out, but it's too warm to have the furnace blowing. Only stops if I put the MH in 'store' mode.

Any ideas how to make the furnace blower stop?

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Old 05-14-2022, 02:34 AM   #2
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THOR #7035
Replace the control board. Unplug the main connector to it in the meantime.
Maybe refer to your previous thread here:
https://www.thorforums.com/forums/f8...tml#post256718
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Old 05-16-2022, 11:01 PM   #3
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THOR #26179
Depends , some of the new units have no control board , it's in the fan/Blower Motor , in that case the Motor needs replaced .
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Old 05-21-2022, 01:51 PM   #4
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Originally Posted by fourthgear View Post
Depends , some of the new units have no control board , it's in the fan/Blower Motor , in that case the Motor needs replaced .
What new furnace units do not have a control board? What turns on the fan/Blower Motor if not a control board?
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Old 05-21-2022, 03:44 PM   #5
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Sounds like the circuit board got wet. Maybe from a bad seal on the outside door.
I have taken the board out and dried with hair dryer.
Reinstalled and it worked.
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Old 05-21-2022, 05:08 PM   #6
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THOR #24260
Check the panel, might be turned to fan on?
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Old 05-21-2022, 05:37 PM   #7
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Originally Posted by Pillbox View Post
Check the panel, might be turned to fan on?
I’ve had that happen before!
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Old 05-21-2022, 05:42 PM   #8
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Yep, I done that more than once. I’m an expert.
Terry
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Old 05-22-2022, 12:32 AM   #9
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Quote:
Originally Posted by 16ACE27 View Post
What new furnace units do not have a control board? What turns on the fan/Blower Motor if not a control board?
Fan Control Board is in the Blower Motor , yes they are one unit . I'm not sure they have made to Mobile use at all or in smaller size units , but ya never know .
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Old 05-26-2022, 02:12 AM   #10
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Quote:
Originally Posted by Duglyn View Post
Taking Hurricane 29M out of storage. The furnace blower came on and won't stop. I took off the exterior cover and hit the 'off' switch. Waited a bit then hit the 'reset'. It started blowing again.
No heat or cold air coming out, but it's too warm to have the furnace blowing. Only stops if I put the MH in 'store' mode.

Any ideas how to make the furnace blower stop?
If you have a multi meter I'd start working from the switch back. It may just be broken in the on position or something else very simple.
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