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Page 21
Troubleshooting
SYMPTOM: The slide switches on the thermostat
are very difficult to move.
CAUSE: The backplate of the thermostat is
deformed by being screwed tightly into a
wall that is not perfectly flat.
REMEDY: Loosen the screws holding the
thermostat into the wall.
72
Heat
Off
Cool
Fan On
FanA uto
72
Heat
Off
Cool
Fan On
FanA uto
SYMPTOM: The air conditioning does not
attempt to turn on.
CAUSE: The cooling setpoint is set too
high or the Mode Switch is not set for
Cool, or the batteries are too weak.
REMEDY: Consult the Normal Operation
section of this manual to lower the
cooling setpoint and to correct the
Mode Switch position, or replace
the batteries (page 9).