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12-06-2011, 10:23 AM
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#1
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Senior Member
Monaco Owners Club Winnebago Owners Club
Join Date: Sep 2011
Posts: 7,469
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12 Volt Bay Heater
I have a 12V heater in the utility bay of my 2009 Safari Cheetah. According to the manual it is set to come on at 40 degrees and turn off at 55 degrees.
It is not working.
I verified 12 volts going to the heater. 3 wires going to the heater, assume they are common, neutral and ground. I measure 13.7 volts across 2.
Assumed it was the snap disc thermostat that was bad. I pulled the leads of the snap disc and connected them together to bypass the thermostat. My thinking was that the snap disc acts like a switch. At <40 degrees it closes, completing the circuit between the 2 attached wires.
If my thinking is correct it would seem to indicate a problem with the heater.
Any thoughts.
I would like to correct the issue before I head back north where I will need the heater,
Thanks
__________________
US Navy Vet, Liberty Tree Member of Oath Keepers, NRA & VFW Life Member, Alaska EMT.
2009 Safari Cheetah 40 SKQ
2009 Winnebago Chalet 231CR
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12-06-2011, 10:58 AM
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#2
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Senior Member
Commercial Member
Join Date: Jul 2011
Location: Erath, Louisiana
Posts: 155
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I would think that you could ohm out all the internal parts and find which item is bad. I would look for an internal fuse are fuse link. also check all connections and the ground for loose or corrosion. Do you have a manual for this heater, if so this may help to find parts to fix and a guide to troubleshooting it.
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12-06-2011, 11:13 AM
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#3
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RV Mutant #14
Winnebago Owners Club Texas Boomers Club Freightliner Owners Club iRV2 No Limits Club
Join Date: Aug 2008
Location: Texas
Posts: 17,208
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Sent you the phone #'s for two Mobile techs in this area just in case you don't get an answer here.
__________________
Wayne MSGT USMC (Ret) & Earlene (CinCHouse) RVM14 (ARS: KE5QG)
Lexi - Goldendoodle
2015 Winnebago Tour 42QD - 2020 Lincoln Nautilus Reserve
It is what it is, and then it is what you make of it.
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12-06-2011, 10:08 PM
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#4
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Senior Member
Monaco Owners Club Winnebago Owners Club
Join Date: Sep 2011
Posts: 7,469
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Got the numbers, thanks Wayne really appreciate it. Probably try to schedule them for Saturday. This week is full of meetings.
__________________
US Navy Vet, Liberty Tree Member of Oath Keepers, NRA & VFW Life Member, Alaska EMT.
2009 Safari Cheetah 40 SKQ
2009 Winnebago Chalet 231CR
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12-06-2011, 10:12 PM
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#5
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Senior Member
Monaco Owners Club Winnebago Owners Club
Join Date: Sep 2011
Posts: 7,469
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Quote:
Originally Posted by Paw John
I would think that you could ohm out all the internal parts and find which item is bad. I would look for an internal fuse are fuse link. also check all connections and the ground for loose or corrosion. Do you have a manual for this heater, if so this may help to find parts to fix and a guide to troubleshooting it.
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Thanks for the ideas. I think I have gone as far as i can go with the multimeter. To get the heater out I would need to pull the plumbing panel out and I can't get the time, busy week of meetings here. I will try that on the snap disc thermostat, it's on the side wall and easy to reach.
__________________
US Navy Vet, Liberty Tree Member of Oath Keepers, NRA & VFW Life Member, Alaska EMT.
2009 Safari Cheetah 40 SKQ
2009 Winnebago Chalet 231CR
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12-06-2011, 10:31 PM
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#6
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bnb1313@aol.com
Monaco Owners Club
Join Date: Feb 2008
Location: Western Montana on the Divide
Posts: 1,561
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It could be the thermal resistor internal to the heater. Mine has burned out twice. Radio Shack has them for $.60 each. Mine were just soldered in, easy to change.
__________________
Bob Retired Army Traveling alone now, had to put Charlie the Beagle down :(.
2008 Camelot 40 PDQ 4 slides ISL400 towing a 2020 1500 GMC Sierra Denali 4x4 Crewcab
Western MT in summer, AZ, NV in winter
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12-06-2011, 10:59 PM
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#7
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Senior Member
Monaco Owners Club Winnebago Owners Club
Join Date: Sep 2011
Posts: 7,469
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Quote:
Originally Posted by BigSkyBob
It could be the thermal resistor internal to the heater. Mine has burned out twice. Radio Shack has them for $.60 each. Mine were just soldered in, easy to change.
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How long between burn outs? For $.60 I may push to find the time to get the heater out. Sure cheaper than calling the mobile tech.
__________________
US Navy Vet, Liberty Tree Member of Oath Keepers, NRA & VFW Life Member, Alaska EMT.
2009 Safari Cheetah 40 SKQ
2009 Winnebago Chalet 231CR
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