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05-27-2018, 05:20 PM
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#1
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Member
Thor Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: Dec 2010
Location: Breaux Bridge, LA
Posts: 32
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Ac compressor turns on, fan does not
Coleman model 49023-879
Just started doing this all of a sudden.
Compressor turns off after about a minute.
Any suggestions or ideas?
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 Tom and Rosemary, 2019 Tuscany 38 SQ
2010 Jeep Wrangler
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05-27-2018, 08:44 PM
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#2
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Senior Member
Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 19,925
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I'd start by visually checking the start capacitor. Go on the roof and remove the cover. The starting capacitor should have a flat top that the wire connectors attach to. If it is domed, the capacitor is bad. CAUTION: a capacitor stores a large charge and must be discharged (shorted across the connections) before touching it.
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Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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05-27-2018, 10:25 PM
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#3
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Senior Member
Join Date: Jul 2013
Location: Calgary, Alberta, Canada
Posts: 596
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Visually checking the capacitors is always a good idea. But I would never discharge a capacitor with a screw driver. I recommend using a bleed resister. Both start and run capacitors store large amounts of energy. Think of them as a battery. Would you intentionally short out a battery with a screwdriver. Next I would use a digital multi meter and measure and check the microfarads (μF) before purchasing a new capacitor. The is a +\- percentage labelled on each capacitor. You tube is a great tool if the people giving the advice are doing so safely and professionally.
And... it also looks like he has replaced a start capacitor with a run capacitor!!! ?
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2008 Fleetwood Southwind 36D
8.1L Vortec Gas with 5SP Allison Tranny
W-24 Workhorse Chassis
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05-28-2018, 07:55 AM
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#4
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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You have a short suspect list
#1 is the start capacitor (See the above response he covered it in detail)
#2 is the blower motor
#3 is a defective relay or switch (Very very rare).
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Home is where I park it!
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05-28-2018, 10:36 AM
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#5
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Senior Member
Ford Super Duty Owner
Join Date: May 2010
Location: Chasing 70 degrees in lower 48
Posts: 2,031
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I got lucky with same problem. After a month or two of not being used fan would not start but compressor would. Gave fan a quick spin with finger and it started - problem has not returned - and that was 5-6 months ago.
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Suzie & Chuck USNR USAF USCGA Challenger Owners Club 2015 37KT Challenger, Demco Commander tow bar, Ready Brake, Sewer Solutions, Safe-T-Plus 41-230, 5-Star tune, towing 2017 Ford Edge FWD 3.6L V-6 four down & 385 FastTrack kayak in the basement.
Summer - Creede, CO Winter - Okeechobee, FL
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05-28-2018, 12:30 PM
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#6
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Member
Thor Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: Dec 2010
Location: Breaux Bridge, LA
Posts: 32
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Replaced fan start capacitor. No luck. Also spun fan blade while compressor was running. No luck there either. Fan motor is next step but will wait until I get the RV back in storage so I am not working in the sun.
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Tom and Rosemary, 2019 Tuscany 38 SQ
2010 Jeep Wrangler
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05-28-2018, 01:30 PM
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#7
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Senior Member
Join Date: Feb 2013
Posts: 944
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Quote:
Originally Posted by ctpres
I got lucky with same problem. After a month or two of not being used fan would not start but compressor would. Gave fan a quick spin with finger and it started - problem has not returned - and that was 5-6 months ago.
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2X, this worked for mine also.
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05-28-2018, 05:53 PM
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#8
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Member
Thor Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: Dec 2010
Location: Breaux Bridge, LA
Posts: 32
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Just checked and discovered fan was running and not compressor.
Turned off all power and turned back on and now all working normally.
Happy but confused.
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05-29-2018, 12:02 PM
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#9
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Member
Thor Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: Dec 2010
Location: Breaux Bridge, LA
Posts: 32
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Fan was not working again this morning. Is it possible for a bad motor to still work intermittently?
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Tom and Rosemary, 2019 Tuscany 38 SQ
2010 Jeep Wrangler
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05-29-2018, 12:13 PM
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#10
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Senior Member
Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 19,925
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Quote:
Originally Posted by norlfran
Fan was not working again this morning. Is it possible for a bad motor to still work intermittently?
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Yes.
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Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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05-29-2018, 12:31 PM
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#11
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Member
Thor Owners Club Freightliner Owners Club LA Gulf Coast Campers
Join Date: Dec 2010
Location: Breaux Bridge, LA
Posts: 32
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Thanks
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Tom and Rosemary, 2019 Tuscany 38 SQ
2010 Jeep Wrangler
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05-30-2018, 10:01 AM
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#12
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Senior Member
Join Date: Nov 2004
Location: On the Road Westward
Posts: 1,786
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Have you tried running the fan only using the mode selector switch?
If these motors lose lube on the end bearings they can have trouble starting, as these do not have start caps, only run caps.
__________________
Dan & Sharon (Zena-Our Yorkie Puppy)(Kasey-Our Yorkie Puppy RIP 9Jan05-26Jul17) On the Road (2012 Journey 36M, 2020 Chevy Equinox)
USN-Ret ('65-'93) Fulltimers, Class of 2012
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