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11-07-2019, 06:41 PM
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#1
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Senior Member
Workhorse Chassis Owner
Join Date: Jan 2002
Location: Pacific Northwest or SoCal
Posts: 3,035
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Main Heat/Air thermostat dead
Slide the control to "Gas Heat",(Front furnace) the LED screen went blank and none of the controls respond.(Fan/auto/on, gas heat, cool, heat pump, fan speed) Checked/replaced the 2A/240V fuse in the thermostat, no help. Seems strange I can't locate a propped breaker, as various systems are dead. The large gas furnace, controlled by a thermostat in the bedroom works fine.
Thoughts/ideas
Fred
__________________
Fred and Bonnie
2005 Dolphin LX 6375
Abby, Ruffles & Scarlett, "The Cats" 
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11-07-2019, 06:46 PM
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#2
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Senior Member
Join Date: Jul 2018
Posts: 4,920
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Quote:
Originally Posted by Fred and Bonnie
Slide the control to "Gas Heat",(Front furnace) the LED screen went blank and none of the controls respond.(Fan/auto/on, gas heat, cool, heat pump, fan speed) Checked/replaced the 2A/240V fuse in the thermostat, no help. Seems strange I can't locate a propped breaker, as various systems are dead. The large gas furnace, controlled by a thermostat in the bedroom works fine.
Thoughts/ideas
Fred
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What else quit working at the same time? Did you lose 12VDC stuff or 120VAC stuff?
__________________
2005 Four Winds Majestic 23A
“To the world you may be one person; but to one person you may be the world.” - Dr Suess
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11-07-2019, 08:37 PM
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#3
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Senior Member
Workhorse Chassis Owner
Join Date: Jan 2002
Location: Pacific Northwest or SoCal
Posts: 3,035
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Quote:
Originally Posted by Solo_RV_Guy
What else quit working at the same time? Did you lose 12VDC stuff or 120VAC stuff?
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Only the HVAC units controlled by that specific thermostat.
Fred
__________________
Fred and Bonnie
2005 Dolphin LX 6375
Abby, Ruffles & Scarlett, "The Cats"
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11-08-2019, 07:30 AM
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#4
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Member
Join Date: Feb 2017
Posts: 44
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Check your power and connections on the control board inside the panel where your propane heater is located. I had lost power on my thermostat once and it was a bad scotch lock that was on the on/off switch inside the compartment.
__________________
2006 Tradewinds 40C
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11-08-2019, 12:34 PM
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#5
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Senior Member
Workhorse Chassis Owner
Join Date: Jan 2002
Location: Pacific Northwest or SoCal
Posts: 3,035
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Thanks, I'll check the panel.
Fred
__________________
Fred and Bonnie
2005 Dolphin LX 6375
Abby, Ruffles & Scarlett, "The Cats"
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11-10-2019, 04:20 PM
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#6
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Senior Member
Workhorse Chassis Owner
Join Date: Jan 2002
Location: Pacific Northwest or SoCal
Posts: 3,035
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Quote:
Originally Posted by jakew143
Check your power and connections on the control board inside the panel where your propane heater is located. I had lost power on my thermostat once and it was a bad scotch lock that was on the on/off switch inside the compartment.
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Jake, you were 100% correct, disconnected the connector/reconnected, flipped the cut-out switch a couple of times, system is back to regular operation.
Thanks again.
Fred
__________________
Fred and Bonnie
2005 Dolphin LX 6375
Abby, Ruffles & Scarlett, "The Cats"
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