Question about Honeywell Programmable Thermostat Heater

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Honeywell T8011R We lost power last night and woke up to no display on our honeywell T8011r. Fan still works when turned on. I took it off the wall all the wires and everthing looks okay, we flipped the breakers on and off still nothing. I have read other units haveing a switch on the back but this one doesn't. I also talked to a honeywell tech that had me check everything and decided it has to be an electrical issue and we are not getting between 24 - 30 volts. We use a voltage meter and it is reading 26 (if we did it right). Any suggestions, its getting into the 30s tonight. :{

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  • mwhite31288 Nov 07, 2008

    Well I don't know what happened but after taking the thermostat with me today to price new ones, I brought it back home for one last try. After popping it back on everthing lit back up and showed 88 degrees, obviously from the car ride home and the heater blowing on it, because my house is only at 60 at this time. So for some reason it is working again. Any ideas what might have happened, can it reset itself from the drastic temp. change?

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Had similar experience. Display off and no fan power. I replaced the unit after an hour and the display came on. I guess a pin needed to be reset (cleaned by wiping against contact). Hope it stays on.

Posted on Mar 19, 2011

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Check for either an in-line fuse in the heating unit or a fuse on the control board also in the heating unit.

Posted on Nov 07, 2008

  • Chandler Ede
    Chandler Ede Nov 08, 2008

    Maybe one of the pins were not making connection and when you removed it, it fixed it self. Stranger things have happened.

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