Jrebhun
Western Pa
Senior Member
Joined: 03/29/2004
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Just finished washing and treating the rubber roof in my 5er yesterday. This evening I tried to turn on the ac fan only from the thermostst in the 5er and - no fan. Turned on the air conditioner on the thermostat and no Air Conditioning-fan or compressor. Checked circuit breaker in the converter- OK. I removed the grill and filter from the ceiling and noticed a circuit drawing on the power box of the AC. It shows a 3 amp fuse to be inside the power box. Could my washing the roof with hose and nozzle forced water in the power box and blown the 3 amp fuse? AC and fan switches have always been left off. Or can anyone suggest another possibility for no fan or compressor action? Also changed batteries on the Hunter thermostat. Thanks
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tvman44
Southwest Louisiana
Senior Member
Joined: 09/25/2007
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As silly as this may sound be sure the batteries were put in correctly. Seen that too many times in my shop when people would bring in something with one or more batteries in wrong.
Papa Bob
1* DW "Granny"
1* 2008 Brookside Sunnybrook 32'
1* 2002 F250 Super Duty 7.3L PSD
Husky 16K hitch, Tekonsha P3,
Firestone Ride Rite Air Springs, Trailair Equa-Flex, Champion C46540
"A bad day camping is better than a good day at work!"
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Jrebhun
Western Pa
Senior Member
Joined: 03/29/2004
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For the sake of those who may have the same problem I'll answer my own questions after having researched and talked to the dealer. Seems many run across this sooner or later. Also, discovered my furnace did not work either- seems the AC and furnace are tied together by an analog circuit board in the ceiling AC unit whichs controls both fan operations.
The week before my house got a lightning hit during a storm- took out a tv, monitor screen, wireless router, print server, and my cable modem. My 5er had been plugged into house power at the time and according to my dealer, the strike fried the control circuit board in the AC as well even though the AC was not on at the time. I'm slowly discovering these new damages around my house from the strike. Luckily, he had a new board in stock for $125 that I installed myself- just a matter of matching wire colors- abt a dozen of them and stuffing it all back in the ceiling. Both furnace and AC work now. Now, when a storm threatens, I run to unplug the 5er from the house.
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