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05-14-2022, 02:15 AM
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#1
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Junior Member
Brand: Thor Motor Coach
State: California
Posts: 16
THOR #16740
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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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05-14-2022, 02:34 AM
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#2
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,382
THOR #7035
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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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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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05-16-2022, 11:01 PM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: 2022 Sanctuary
State: Florida
Posts: 390
THOR #26179
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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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05-21-2022, 01:51 PM
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#4
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,382
THOR #7035
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Quote:
Originally Posted by fourthgear
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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What new furnace units do not have a control board? What turns on the fan/Blower Motor if not a control board?
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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05-21-2022, 03:44 PM
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#5
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Member
Brand: Thor Motor Coach
State: South Carolina
Posts: 76
THOR #13982
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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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05-21-2022, 05:08 PM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds
State: California
Posts: 406
THOR #24260
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Check the panel, might be turned to fan on?
__________________
Terry and Geri
2017 Four Winds 35SD
2020 Grand Cherokee Toad
Semper Fi
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05-21-2022, 05:37 PM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 24F
State: Arizona
Posts: 116
THOR #20184
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Quote:
Originally Posted by Pillbox
Check the panel, might be turned to fan on?
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I’ve had that happen before!
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2018 Chateau 24 F
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05-21-2022, 05:42 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds
State: California
Posts: 406
THOR #24260
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Yep, I done that more than once. I’m an expert.
Terry
__________________
Terry and Geri
2017 Four Winds 35SD
2020 Grand Cherokee Toad
Semper Fi
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05-22-2022, 12:32 AM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: 2022 Sanctuary
State: Florida
Posts: 390
THOR #26179
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Quote:
Originally Posted by 16ACE27
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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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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05-26-2022, 02:12 AM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: Windsport 29m
State: North Carolina
Posts: 524
THOR #9553
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Quote:
Originally Posted by Duglyn
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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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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