My thermostat randomly reprograms itself to 64.7oC on occasion. The digital display is very faint when I try to go to the PROG settings to re-set. The display is OK when showing the current setting only.
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My thermostat randomly reprograms itself to 64.7oC on occasion. The digital display is very faint when I try to go to the PROG settings to re-set. The display is OK when showing the current setting only.
If it's a two wire setup then the batteries are probably getting close to dead.
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