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Any way a digital Honeywell can malfunction & change it's own setpoint?

Jells
Member Posts: 512
The Honeywell RTH111 thermostat in a tenant's apartment keeps mysteriously changing it's setpoint: 2 days ago 55 deg, today 40. I just put a box around it, but they swear up & down neither they nor their kids touched it. I presume their small kids are no more trustworthy than most, but is it at all possible it's a malfunction, say if the pins weren't seated all the way in?
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Comments
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I'd say yes
Changes in power can cause problems with electronics. Blips, surges and power failures can cause programmable controllers to change their settings.0 -
Setpoint
I don't know about the thermostat, but if you were my landlord and kept my heat at 55 degrees, I would move!0 -
The setpoint is 70!
Sorry if I was unclear. But in fact, I have tenants who apparently have never paid a heat bill in their lives, One woman stands there in a 70 deg room wearing short and a tank top complaining of the cold. When I mention she should put some clothes on, she says "that's ****!" The last owner reported spending $12k per yr heating this 3500 sq ft 4 unit.0
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