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05-03-2015, 10:37 AM
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#1
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,142
M.O.C. #1920
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E7 Error for A/C
First hot day, went to start A/C and get an E7 error for Zone 1. Zone 2 A/C is working. Is there an easy fix? I have a May 14th service appointment, but plenty of warm days between now and then. It says in the thermostat pamphlet that E7 is a complete loss of 120v to control board. No breakers or fuses blown/tripped.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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05-03-2015, 03:25 PM
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#2
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,690
M.O.C. #12947
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Even though the breakers appeared to have not tripped, if you haven't already done so, fully turn the breaker off that feeds the non working A/C, and then back on again. You also may want to verify that the 50 amp main did not trip on the leg that feeds that same A/C. Another possibility if all those things are good, is possibly the hot leg came loose from the breaker, or the wire nut connection came loose in the junction box at the A/C. Good luck.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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05-03-2015, 06:19 PM
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#3
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New Member
Join Date: Nov 2014
Location: Camanche
Posts: 4
M.O.C. #15846
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I have the E7 error code on my zone 1 A/C , new unit never used
A/C .Dealer checked it has bad circuit board. waiting on Board.
First date was April 24 no received , second date is May 4, ??
I am in arizona with one A/C , bedroom one and it is doing ok, have a fan in steps to move air to living area.Of course Phoenix temp
went to 100 the last 2 days
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05-04-2015, 02:07 AM
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#4
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,142
M.O.C. #1920
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Sounds about right.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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05-04-2015, 02:23 AM
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#5
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,142
M.O.C. #1920
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Bob, our dealer had the panel out while installing our inverter. It still could be a loose connection. I will let them figure it out, since we haven't even had it a month yet. I was looking for something quick and simple. Did try the breakers to no avail.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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05-04-2015, 03:54 AM
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#6
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Site Team
Join Date: Aug 2007
Location: Omaha
Posts: 6,750
M.O.C. #7560
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Ron-- Call Leach and let them know what you are experiencing and if it is a circuit board maybe they can order one and have it when you bring your unit in on the 14th.
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05-04-2015, 12:52 PM
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#7
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,142
M.O.C. #1920
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Rondo, sent Mark an email and waiting a response. I will call tomorrow.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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