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PostPosted: Fri Aug 04, 2017 3:02 pm 
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Joined: Wed Feb 01, 2017 2:41 pm
Posts: 6
OR Year: 2017
OR Model: 347RES
Member ID: ORF-11829
I have two ACs, each has its own 20 amp breaker. There are two thermostats both on one 15 amp breaker. One thermostat, bedroom, flashes an E1 code indicating a loss of communication to the controller. The other thermostat and AC work. Question: Is there a way to reset the faulty thermostat? Any troubleshooting tips would be welcome? I have not swapped thermostats because I'm don't want to risk losing another.
Thanks in advance.

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2017 Open Range 347 RES; 2012 Ram 3500 4x4 DRW.


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PostPosted: Sat Aug 05, 2017 9:10 pm 
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Joined: Sat Jul 29, 2017 5:44 pm
Posts: 55
OR Year: 2018
OR Model: 337RLS5TH
Member ID: ORF-13437
We called Dometic and they walked us through the reset process.

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Don & Sandy & Doxies: Patches & Ruffie
2018 337rls Open Range Roamer 5th Wheel
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PostPosted: Sun Aug 06, 2017 8:33 am 
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Joined: Tue Dec 06, 2016 4:25 pm
Posts: 8
OR Year: 2013
OR Model: OR MODEL
Member ID: ORF-11429
What was the reset process? We also have experienced this. Have disconnected from batteries, electricity. Didn't work. Have checked power with voltage meter. All is good.


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PostPosted: Sun Aug 06, 2017 9:40 am 
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Joined: Tue Oct 01, 2013 2:07 pm
Posts: 6613
Location: Nazareth, PA
OR Year: 2014
OR Model: 427BHS
Member ID: ORF-3771
This supposedly does it:

Press the “+” button and, while holding it, also press and hold
the On/Off Mode button for three seconds. LCD will show
? ? . Press the On/Off Mode button again to turn system off.
This completes the initialization.

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Mark
2014 Open Range 427BHS
2011 Ford F-350 Crew Cab 6.7L Powerstroke Diesel
Pullrite Superglide 18K
Firestone Ride Rite Airbags
Furrion Wireless Observation Camera
TST 510 TPMS
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PostPosted: Sat Sep 16, 2017 7:05 am 
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Joined: Wed Feb 01, 2017 2:41 pm
Posts: 6
OR Year: 2017
OR Model: 347RES
Member ID: ORF-11829
Found a faulty connection at the control panel at the AC unit. Improper connection in a wire nut, one wire vibrated loose. Easy fix this time. The E1 code was accurate.
Thanks to those who responded.

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2017 Open Range 347 RES; 2012 Ram 3500 4x4 DRW.


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PostPosted: Sat Sep 16, 2017 10:46 pm 
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Joined: Tue Oct 01, 2013 2:07 pm
Posts: 6613
Location: Nazareth, PA
OR Year: 2014
OR Model: 427BHS
Member ID: ORF-3771
Thanks for the followup.

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Mark
2014 Open Range 427BHS
2011 Ford F-350 Crew Cab 6.7L Powerstroke Diesel
Pullrite Superglide 18K
Firestone Ride Rite Airbags
Furrion Wireless Observation Camera
TST 510 TPMS
Maxxis M8008s


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