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07-28-2017, 09:44 AM
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#1
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Junior Member
Join Date: Aug 2015
Location: Shelby Township, MI
Posts: 14
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Bathroom Exhaust Fan
My automatic exhaust fan motor continues to run after the vent lid has closed. It makes a loud clicking noise. It sounds like the motor is still trying to close the lid but it is closed. Anyone experience this and what was the fix?
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07-28-2017, 11:17 AM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,500
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Welcome to iRV2. 
Depending on the roof vent brand, there may be a contact terminal that needs cleaning ( that tells the control board the lid is closed ) or a switch disconnected. Most times viewing the vent fan from the roof will; with the lid open; provide major clues to it's operation . 
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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07-28-2017, 12:32 PM
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#3
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,794
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Hi !  Welcome to IRV2! We're sure glad you joined the gang! 
If it's make by Fan-Tastic, I would call them. They have great tech support!
Good luck, happy trails, and God bless! 
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Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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07-28-2017, 06:34 PM
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#4
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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If it's a fan-tastic press up on the motor and it will stop. They made the shaft length a 1/4" too short - I just replaced motors and mechanisms and they do the same thing.
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Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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07-29-2017, 07:25 AM
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#5
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Junior Member
Join Date: Aug 2015
Location: Shelby Township, MI
Posts: 14
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Quote:
Originally Posted by Skip426
Welcome to iRV2.
Depending on the roof vent brand, there may be a contact terminal that needs cleaning ( that tells the control board the lid is closed ) or a switch disconnected. Most times viewing the vent fan from the roof will; with the lid open; provide major clues to it's operation . |
Thanks I was thinking I need to go on the roof and see if I can see find anything wrong.
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07-29-2017, 07:25 AM
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#6
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Junior Member
Join Date: Aug 2015
Location: Shelby Township, MI
Posts: 14
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Quote:
Originally Posted by RKins
If it's a fan-tastic press up on the motor and it will stop. They made the shaft length a 1/4" too short - I just replaced motors and mechanisms and they do the same thing.
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Thanks I will check this out too!!
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07-29-2017, 02:33 PM
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#7
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Senior Member
Join Date: Jan 2015
Location: Oroville, CA
Posts: 3,133
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While you're up there, spray a little (little) silicone spray on the pin switch. Work the switch a few times in and out (up and down). The switch turns the motor on and off. Its a metal switch, can't miss it. And you could also clean the area under the lid where the lid meets the black gasket, use alcohol (rubbing, not JD!) then take a small (small) amount of silicone grease (plumbers grease, ACE has it in a small tin) and grease that black gasket all around. No more stuck lids. And you're good for another 100,000 miles!
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Bill, Kathi and Zorro; '05 Beaver Patriot Thunder
2012 Sunnybrook Harmony 21FBS (SQEZINN)
2007 Jeep Grand Cherokee Overland
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07-29-2017, 05:23 PM
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#8
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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The plunger type switch up above controls the fan motor. The motor OP is referring to is the lid motor (even if he didn't realize it). I'd spray the plunger with electrical spray cleaner.
__________________
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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07-31-2017, 08:29 PM
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#9
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Junior Member
Join Date: Aug 2015
Location: Shelby Township, MI
Posts: 14
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Went on roof today and removed Maxxair housing and fan lid. I didn't see any switch or shutoff for the fan lid. The clicking noise is on the inside of what looks like a little gear box.
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Rich and Kelli
2021 DRV 41RKDB
2019 3500 Denali Dually
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08-01-2017, 10:00 PM
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#10
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Senior Member
Monaco Owners Club
Join Date: Mar 2012
Location: Naples, FL
Posts: 971
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It is possible your lid switch ( plunger ) rusted away/broke off. The plunger opens the circuit ( cuts power) to the motor when compressed. Look closer... Almost all fans have one.
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Stan & Jacquie
2007 Monaco Knight DFT 40', 750 watts Solar
2012 Equinox w/Air Force I, Blue Ox Alpha & Base.
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08-02-2017, 04:00 AM
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#11
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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Rick, did you notice a brand on the fan/vent? I agree with Stan that there should be a small plunger type switch on the top on the hinge side. As the lid motor raises the lid the plunger starts to come out and at a certain point, the fan motor will start.
Here are pics of mine when I was working/replacing parts
http://www.irv2.com/forums/f65/getti...ml#post3481828
http://www.irv2.com/forums/f65/getti...ml#post3508971
__________________
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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