Honeywell T8195B thermostat timer won't manually adjust

1488 Views 5 Replies 4 Participants Last post by Barry123, Dec 16, 2015

Barry123

Discussion Starter · Dec 15, 2015

I have a dual system in my home with Honeywell T8195B thermostats. I probably haven't used my front system in 20 years, and the rear one I use very rarely. When I turned on my heat last night, I noticed the time on the timer was incorrect. I turned the adjusting knob and nothing moved. I did this on the front thermostat and had the same results. The voltage between the C & R terminals is 27.6 vac. I can hear the timer clock click, and the dial does turn on its own, but I can't manually adjust it. Do you have any suggestions to address this issue?

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Bitters

· #2 · Dec 15, 2015

Hi Barry, I think it's time for a new stat.

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Barry123

Discussion Starter · #3 · Dec 15, 2015

That may be true, but if there is a simple fix I'd like to do that, as I rarely use this system. If I can't fix it, what thermostat would you recommend?

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yuri

· #4 · Dec 15, 2015

Cannot be fixed. Honeywell Focus Pro from HDepot.

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beenthere

· #5 · Dec 15, 2015

Was it ever turned CCW. If so, its done for.

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Barry123

Discussion Starter · #6 · Dec 16, 2015

It's never been turned CCW. The one in the front hasn't even been touched in 20 years. Since it still runs, I think I'll just adjust the pins to match the actual time. I'll never look at a thermostat to find out the time. As long as the clock continues to run, I'm OK. I guess that is an advantage to being single; I can be flexible.

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