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Old 06-21-2021, 04:16 PM   #1
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No Power to the bathroom Fantastic Fan

We have a 2007 Simba Safari 37 PDB. There is no power to the bathroom fan. Checked the fuses, all good. Checked the 12 volt line coming in to the fan, no power. Anyone have this issue or have a wiring diagram for this coach?
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Old 06-21-2021, 04:26 PM   #2
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I have probably worked on fifty fantastic fans. 90% of the time it was the switch in the hinge that was slightly corroded ad not making contact. Cleaning the switch usually fixed the problem.
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Old 06-21-2021, 04:37 PM   #3
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Fantastic fans have two common problems. First is that switch as mentioned in the previous post. The second in in the wall mounted control switch control where a wire has become disconnected from its PC board and needs to be re-soldered.
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Old 06-21-2021, 05:44 PM   #4
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Old 06-22-2021, 10:28 AM   #5
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Lees Farm

I think the ground wire is not grounding properly. I can make the fan run by ground the ground wire to the metal fan housing. Can you eliminate the rain sensor control unit and just put in 3 speed fan control unit?
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Old 06-22-2021, 10:33 AM   #6
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I have power to unit. I think the ground wire is not grounded. I can make the fan run buy grounding the unit to metal fan housing. Can I eliminate the rain sensor control system and just put a 3 speed control switch?
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Old 06-22-2021, 03:00 PM   #7
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Quote:
Originally Posted by Lees Farm View Post
We have a 2007 Simba Safari 37 PDB. There is no power to the bathroom fan. Checked the fuses, all good. Checked the 12 volt line coming in to the fan, no power. Anyone have this issue or have a wiring diagram for this coach?


Have you checked power at switch? If no power 99.9 % a fuse.
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Old 06-24-2021, 10:43 AM   #8
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Go to main power and grounds that may be paired in crimp butt connectors test there where issue may be or at the light daisy chain of grounds. My issue was the thermostats on both I don't remember if it broke the ground wire or power wire. But pretty sure it was ground so try bypassing it , if its in the vent and has bulb , then it fails open . As I repaired thermostats and replaced both fan blades the daisy chain in crimp connectors became apparent with lights dropping out.
In case thermo here is link actual part # for FF order was cancelled from only place that showed stock. This one matches tag from OEM by the way they accepted $20ea offer for a pair.
https://www.ebay.com/itm/RV-INVENSYS....m46890.l49286
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