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5. The heating or cooling will not turn on or off.
5a. Make sure the thermostat is not in permanent override mode.
5b. Wait. There may be as much as a 4-minute delay before the system turns on
or off to protect the compressor.
5c. Check circuit breakers and switches to ensure there is enough power to the
system.
5d. Replace batteries.
5e. If applicable, make sure the furnace blower door is closed properly.
5f. If your system has 4 wires, ensure the jumper is installed between the RC and RH
terminals.
6. The display comes on but does not stay illuminated.
6a. Replace batteries.
7. My system continues to operate when the thermostat is in the off position.
7a. Replace unit.
44002-01 r051807