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Author Topic: Honeywell Thermostat YTH8320ZW1007/U coin battery  (Read 4039 times)

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Offline mveras1972

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Honeywell Thermostat YTH8320ZW1007/U coin battery
« on: February 03, 2015, 10:16:01 pm »
I just noticed that if the power goes out and then comes back, my thermostat returns to a screen asking to set date and time. Instruction manual says this is because the coin battery CR2032 is low and needs to be replaced. However, I did this and it didn't make any difference. I also tested the battery and it was good. Do you think my thermostat is defective? By the way, it has been doing this since brand new and I didn't know it was supposed to remember the time and date if the power went out.

Offline The19th

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Re: Honeywell Thermostat YTH8320ZW1007/U coin battery
« Reply #1 on: February 03, 2015, 11:05:56 pm »
Nope, mine does the same thing.  If I take the battery out and put it back in, it prompts for the date and time, but the scheduled temperature settings are still there.

Offline rldreams

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Re: Honeywell Thermostat YTH8320ZW1007/U coin battery
« Reply #2 on: February 11, 2015, 10:06:16 pm »
The battery only holds the schedule memory.

 

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