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Old 11-04-2012, 09:34 PM   #1
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Winnebago 2004 Adventurer Basement AC/Heat, Colman Mac Model 6535 and 6536 Heat Pump

The Heat Pump quit working one week ago. We had been using the AC 24/7. We shut the unit down a few hours because of cooler weather. When we turned the thermostat on it clicked but unit did not respond and is still no working. We are south of San Antonio, TX and plan to be in San Antonio Dec 1 for about month. Has anyone else has this problem and if so can you offer opinion as to Cowhat caused this issue.
Other Problem is do we go to an RV dealer to get this fixed or to a Residential Air Conditioner shop. Has anyone else had this problem.

Carl and Judy
2004 Winnebago Adventurer
Basement Unit Coleman Mach 6535 6536 Models series heat pump
Members 1000 trails, Escapees, ROD

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Old 11-05-2012, 02:27 AM   #2
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Have you checked the circuit breakers? If you were trying to operate it on the generator, be sure to check that circuit breaker(s) too. If, after checking the circuit breakers you still have a problem, call Winnebago and ask for referrals to a good RV repair shop that can handle your issue. Good luck and keep us posted.

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Old 11-05-2012, 08:27 AM   #3
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wiggle the switch for the ac on the thermostat. that works for mine.
2002 chieftain with same unit. these thermostats are junk to start with. always have to fiddle with it to get it to work
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Old 11-05-2012, 05:19 PM   #4
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Location: Tavares, FL
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We have a 2004 Itasca 33V which has the same unit. The switch is very tricky. I have thought mine was broken several times. I don't know where you are located, but the heat pump will not come on if the temp outside is below around 40 degrees.

Good Luck.
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