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05-17-2017, 07:56 AM
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#1
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Established Member
Join Date: Jan 2015
Location: Flushing
Posts: 19
M.O.C. #16009
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Dometic thermostst
I am having an issue with my dual zone stat it will not allow me access to zone 2. Zone 1 appears to be working fine but when I try to set zone 2 it never leaves zone 1. I was wondering if anyone else has had this issue.
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05-17-2017, 07:57 AM
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#2
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Montana Master
Join Date: Apr 2015
Location: Stafford Springs
Posts: 524
M.O.C. #17256
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Quote:
Originally Posted by MarkV
I am having an issue with my dual zone stat it will not allow me access to zone 2. Zone 1 appears to be working fine but when I try to set zone 2 it never leaves zone 1. I was wondering if anyone else has had this issue.
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Are you working with heat or AC. The heater is only single zone. The AC is dual zone
__________________
Jason & Wendy
2014 Ford F-350 Lariat 6.7L PSD
2015 Keystone Montana 3711FL
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05-17-2017, 10:48 AM
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#3
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Established Member
Join Date: Jan 2015
Location: Flushing
Posts: 19
M.O.C. #16009
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Yeah I tried it with the air and the fan, neither would switch to zone2.
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05-17-2017, 06:31 PM
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#4
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,697
M.O.C. #12947
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It is possible that the DIP switch in the control box below the A/C is not set to tell the thermostat that it is zone two. Either that, or the communication cable from the zone 1 A/C to the A/C that is supposed to be zone 2 is disconnected or damaged. The dip switch positions are described in this manual on page 12 http://bryantrv.com/docs2/docs/opera...312792.017.pdf
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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05-18-2017, 05:26 AM
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#5
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Established Member
Join Date: Jan 2015
Location: Flushing
Posts: 19
M.O.C. #16009
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Thanks for the information. Since it did work originally I can use the schematics to check for a loose wire. Thanks again
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05-18-2017, 09:29 AM
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#6
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Montana Master
Join Date: Mar 2015
Location: Gardnerville
Posts: 1,252
M.O.C. #17163
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Reset, on and mode at same time....
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05-18-2017, 10:38 AM
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#7
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Established Member
Join Date: Jan 2015
Location: Flushing
Posts: 19
M.O.C. #16009
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Thx will it a try first.
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05-28-2017, 08:51 AM
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#8
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Established Member
Join Date: May 2017
Location: Holdrege
Posts: 49
M.O.C. #19802
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Also look for a broken/cut telephone wires. They are used to communicate between the A/C's. My camper did the same thing. Found a cut wire. Put on a new 4wire telephone end and it switches between zones. 20 dollar crimper and 3 dollar ends.
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05-28-2017, 02:02 PM
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#9
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Established Member
Join Date: Jan 2015
Location: Flushing
Posts: 19
M.O.C. #16009
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Thx, I reset the thermostat and it started working again.
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05-28-2017, 02:55 PM
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#10
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,697
M.O.C. #12947
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Glad you got it working. Just an FYI, the 'phone' cable in these systems is not a normal cable. It is normal cable, but the positions of the wires in the connectors is different.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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05-29-2017, 05:33 AM
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#11
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Established Member
Join Date: Jan 2015
Location: Flushing
Posts: 19
M.O.C. #16009
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Thx, That good to know.
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