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Hello my name is ***** ***** will be my pleasure to assist you. When you push the up and down buttons what are those numbers?
you may be seeing the set point and not the room temperature. it may be set at 70 or 59 vise versa and when you reset it the thermostat will show the temp. and not the set point then goes to showing the set point which is 59. Turning the thermostat to off will show just room temp. turning it on it may cycle back and forth through the room temp and the setpoint.
i saw that but we can continue here if you want
just like we are now
did you read my earlier post ?
you may be seeing the set point and not the room temp.
So if you are sure then what is possibly happening is the thermostat is reverting to the program in it. What you will need to do is program it or set the temperature to the setpoint you want and press the hold button on the stat then it will hold the temperature you set it at and not revert to the program.
it will go to a default program in the thermostat
okay you can only calibrate it 4 degrees up or down so even calibrating it is not going to help. Try taking the batteries out and let the display go completely blank this wil take a few minuntes then reinstall the batteries and see if the tem is correct. if this doesnt work it may be the thermostat may need to be replaced.
i dont mean change the batteries taking them out and leaving them out till the display is blank for a few minutes should reset the thermostat.
its sounds like the temperature sensor in the thermostat is bad. you will need to replace the thermostat.
you are very welcome have wonderful evening.