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Thread: A/C fan problem
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08-12-2022, 02:06 PM #1
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A/C fan problem
Both my a/c units won’t switch to high speed fan. It doesn’t matter if it’s in a/c mode or fan mode. Just runs on low fan.
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08-12-2022, 02:14 PM #2
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08-12-2022, 02:43 PM #3
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I have a 2020 grand design reflection 5th wheel and the a/c units are airxcel
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08-12-2022, 02:54 PM #4
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Model 337RLS
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08-12-2022, 03:07 PM #5
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Pretty odd that both would be acting the same.
My 2019 has AirExcels and "manual" thermostats (no bluetooth, wifi, etc.; just buttons).
I would check that there is actually a setting that says "FAN HIGH". I'll guess there is.
Then I'd check to make sure all the wire are connected well on the T-stat. The cover pops off and you can unscrew it from the wall to check.
Then I'd pull the filters from the AC unit itself to access the other end of those wires from the T-stat. Make sure each wire is firmly attached to the terminal lugs. Maybe crimp the ones for the fan.
There should be a wiring diagram on the unit (I think) or in the installation manual.
Hope this is some help.Larry KE4DMG
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08-12-2022, 03:13 PM #6
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Hello @MCHolter, looks like you're new here, welcome to the forum. Sounds like you've already had some good advice, let us know if you find a solution.
Stephen and Judy
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