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Old 12-02-2022, 07:12 AM   #1
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Winnebago Owners Club
Ford Super Duty Owner
Join Date: Jul 2012
Posts: 374
Basement AC Issue

2001 Winnebago Adventurer.
Basement AC

So, turn on AC at the control panel and I hear a "Buzzing" noise from the control panel area and the AC Fan is running.
NO AC, compressors not running.
Having a tech looking at it soon.

Any ideas what to look for?
I no longer own this Unit but am helping a friend who now has it.
Thanks for any advice.

Maybe a Control Panel Reset by disconnecting the 12v to it may help?????
2001 Winnebago Adventurer 32V, Ford F-53, V-10
2008 Jeep Grand Cherokee Limited, 4.7L V-8 QTII
U. S. Army Vet, In God We Trust
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Old 12-02-2022, 10:27 AM   #2
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Those basement units are notorius for going bad. Start by opening up the access panel, the screen type door in front of the units, and checking the wiring behind the electical access panel. With both panels open have someone turn on the ac and listen for any noises. DO NOT stick your fingers in the elaectrical connection panel. There are capacitors in that panel that control the start and run of the motors. There are two ac units in there, one runs until the thermostat calls for more cooling then the second one runs. It could be enything from bad start capacitors to stuck compressors. Capacitors are easily replaceable but replacing compressors is a bigger problem. Thosa Coleman units are obsolete but there are other replacement units available. They are built the same as home ac units so residential hvac people can work on them IF you cab find one that is willing to do so. Most will say "I don't work on RV units". Good luck.
2000 Winnebago Adventurer 32v, P32 Workhorse Chassis 7.4l Vortech, J71 Ultra RV upgraded 67,000 miles
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Old 12-03-2022, 07:54 AM   #3
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Posts: 80
I just went through this on my 04 Adverturer. Noticed discoloration on my run capacitors so replaced. No joy so replaced the start capacitors as well. Still no joy so replaced the old circuit board. Wahoo, worked perfectly.
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