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Old 11-15-2021, 10:21 PM   #1
KKV
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Brand: Thor Motor Coach
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THOR #20141
Norcold Green Light Flashing Once every three seconds?

Manual suggests temperature sensor has failed and refrigerator is now operating on backup operating system.

Refrigerator is still cold so doesnít feel like an issue but donít want to ignore the green flashing light as it clearly is a fail code of some kind.

Disconnect power and LOG kicks in appropriately.

Any ideas on a reset or ? I unplugged via access panel but the flashing continues.

Thanks.
2017 ACE 30.2

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Old 11-15-2021, 10:25 PM   #2
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Originally Posted by KKV View Post
Manual suggests temperature sensor has failed and refrigerator is now operating on backup operating system.

Refrigerator is still cold so doesnít feel like an issue but donít want to ignore the green flashing light as it clearly is a fail code of some kind.

Disconnect power and LOG kicks in appropriately.

Any ideas on a reset or ? I unplugged via access panel but the flashing continues.

Thanks.
2017 ACE 30.2
USE/STORE in STORE and unplug from SP will remove DC control power to the fridge; or pull the "Appliances" fuse from the Power Center.
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Old 11-15-2021, 10:27 PM   #3
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Check this https://thenorcoldguy.com/norcold-te...es-what-to-do/
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Old 11-15-2021, 10:37 PM   #4
KKV
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THOR #20141
Thx. What will pulling the appliance fuse confirm for me?
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Old 11-15-2021, 10:39 PM   #5
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THOR #20141
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USE/STORE in STORE and unplug from SP will remove DC control power to the fridge; or pull the "Appliances" fuse from the Power Center.
When I am on SP and depress the store button it does not stay depressed. Even when off shore power the store button does not stay in place. Is it supposed to toggle back-and-forth or should it indeed stay depressed in the store position when I am off shore power?
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Old 11-15-2021, 11:53 PM   #6
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I had that fault once and found that the temp sensor had come unplugged. Something in the fridge pushed on the wires and pulled one out of the plastic connector. Worth a look.
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Old 11-16-2021, 02:30 AM   #7
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Thx. What will pulling the appliance fuse confirm for me?
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Originally Posted by KKV View Post
When I am on SP and depress the store button it does not stay depressed. Even when off shore power the store button does not stay in place. Is it supposed to toggle back-and-forth or should it indeed stay depressed in the store position when I am off shore power?
Pulling the Appliances fuse removes DC control power from the fridge and other appliances.

The USE/STORE switch is a two position momentary contact return-to-center switch. It remotely controls a latching relay that connects/disconnects the house batteries to the DC buss. So, no; it does not stay depressed in either position, but you should hear the latching relay shift position.
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