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Lennox iComfort 10F81 Thermostat Blank Screen Fix

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Lennox iComfort 10F81 Thermostat Blank Screen Fix: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

  • Optional: I used an old doorbell transformer to supply 24VAC to the 'R' and 'C' terminals of the iComfort; it works fine without being connected to the wall plate. I tested it in this state for a week before re-installing it.

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