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10-26-2020, 08:02 PM
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#1
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Junior Member
Join Date: Aug 2020
Location: Eugene
Posts: 14
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No pwr to heater
Today I picked up my keystone bullet premier that had it's air conditioner unit replaced due to an accident. The A/C works fine, but now I'm not getting pwr to my heater. Does pwr go through the A/C to the heater? The heater worked fine before taking the RV in for the A/C replacement.
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10-26-2020, 08:04 PM
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#2
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Senior Member
Join Date: Sep 2020
Location: Amarillo
Posts: 134
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converter good? heater should be 12v/propane
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10-26-2020, 08:08 PM
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#3
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Junior Member
Join Date: Aug 2020
Location: Eugene
Posts: 14
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I don't know what is or where the converter is located.The 15 amp fuse was burnt out and I replaced it. But still no pwr.
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10-26-2020, 08:12 PM
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#4
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Senior Member
Join Date: Sep 2020
Location: Amarillo
Posts: 134
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converter is usually near or behind the fuse panel, it converts 120ac into 12v. is it a 30 amp or 50 amp unit?
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10-27-2020, 02:40 AM
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#5
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,237
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The furnace has 4 wires:
12V positive
12V negative
2 thermostat wires.
Odds are they didn’t hook something up at the control box in the AC return if one thermostat controls both systems.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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10-27-2020, 08:09 AM
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#6
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,601
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^^^Odds are they messed up the control unit.
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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10-27-2020, 09:02 AM
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#7
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Junior Member
Join Date: Aug 2020
Location: Eugene
Posts: 14
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Thank you for your help. I called the repair shop and they agree something didn't get hooked up right. Thank you again
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10-27-2020, 09:05 AM
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#8
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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Quote:
Originally Posted by RookRook
Today I picked up my keystone bullet premier that had it's air conditioner unit replaced due to an accident. The A/C works fine, but now I'm not getting pwr to my heater. Does pwr go through the A/C to the heater? The heater worked fine before taking the RV in for the A/C replacement.
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When you say "not getting power" can you elaborate?
Are you saying you checked with a meter and have no 12v dc at the control board?
Or are you meaning that the furnace just doesn't work?
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-27-2020, 09:09 AM
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#9
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Junior Member
Join Date: Aug 2020
Location: Eugene
Posts: 14
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I believe it's not getting pwr to my heater because when you turn the thermostat on , nothing happens.
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10-27-2020, 09:45 AM
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#10
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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I would suspect they didn't connect the thermostat correctly. Any time an issue like this happens after it;'s been worked on the logical thing to do is check out what was worked on.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-28-2020, 10:59 AM
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#11
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Junior Member
Join Date: Aug 2020
Location: Eugene
Posts: 14
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Sure enough it was the control box. Thank you for your help and support everyone
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