HODieselRam
Colorado
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Joined: 09/21/2003
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Hey RVer's
I have a 2004 Larado 5er and my Suburban furnace would not work. It has ALWAYS worked everytime until this past week-end. I crank up the thermostat and nothing...just a click, no blower, no nothing
Any ideas ? I checked the fuses but that is all I checked.
Yes, we have the LP bottles topped off.
Thanks
03 Dodge 2500HD QQ HO CTD 48RE 4x4 SLT/16K Pullrite Superglide/Jordan BC/Magnaflow muffler/Firestone airbags/Edge EZ/Di/Pricol gauges Cubby mounted.
04 Laredo 29BH 31ft 5er/2 batteries/custom class III receiver hitch/DVD/loaded
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enblethen
Moses Lake, WA USA
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Joined: 01/05/2005
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Fan starting and then click would say you are looking at possibly a dirty sail switch.
Bud
Suzuki XL7 pushing Pace Arrow
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HODieselRam
Colorado
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Fan//Blower never fires up at all. Thermostat perhaps ?
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SDkid
Johnston City, Il
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Joined: 05/15/2008
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check here and look under furnace trouble shooting
http://www.marksrv.com/furnace_trouble_shooting.htm
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JR45
Warren/OR/USA
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Joined: 03/17/2002
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How are the batteries?
06 F350 4x4 PSD Lariat FX4 CC LB
Coolant Filtration System
PressurePro Monitors
2003 Alpenlite Limited
Reese Signature 18K hitch
Fifth Airborne
Ridgewood 30RK
3 Slides
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ButteBumBob
Albuquerque,New Mexico, USA
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Joined: 01/08/2004
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Just had the same problem on a 2004 Crossroads Cruiser....I had to replace the sail switch.
2004 GMC 2500HD Duramax/Allison/Shortbed/Crew Cab/ 4x4
2004 Crossroads Cruiser Fifth Wheel CF29RK
1973 Seeker Travel Trailer (for the short trips)
Hangin with the Big Boys
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CrownandCoke
Kansas City, mo
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Joined: 06/24/2008
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I have had the problem in the my Cougar, more than once. Try disconnecting shore power and battery power. This should reset it and start up.
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HODieselRam
Colorado
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Bad sail switch would still allow the blower to fire up wouldn't it ?
So you had the same identical problem as me and it was the sail switch.
How did you check that the problem as the sail switch? No current to switch?
Also, disconnecting shore power and disconnecting the batteries might reset everything ?
Thanks for the replies
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rick83864
Sandpoint, ID
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Joined: 09/04/2009
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I give up, what's a sail switch???
06 Dodge 3500 Laramie 4x4 Dually
5.9 Cummins HO Automatic,Jacobs brake, Dodge Navigation
06 Grand Junction 34' Mor/ryde, 5500 Onan genny, Dual A/C, Fireplace
21500 GVW
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enblethen
Moses Lake, WA USA
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If the fan does not start then there should be a resettable circuit breaker on the fan housing. Your late model rig probably has the time delay built on the circuit board. You didn't want to hear that did you? Dinoaur Electronics is a better circuit board.
Check the circuit breaker in furnace first.
Rick: A sail switch is a small microswitch with an arm that sticks into the fan assembly. When the fan blows over it, it closes to allow the burner to lite the flame.
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