Category Archive: Honeywell

Nov 29

Honeywell Thermostat on the wrong day

Sometimes my wifi Honeywell thermostat gets a day behind for an unknown reason. ┬áHere's how to set it back. Select System Press and Hold Fan Should see 0120 with setting 20 blinking Press next to 0130, this is the year Press next to 0140, this is the month Press next to 0150, this is the …

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