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8
Pub. No. 22-5184-01
69-1247—1
TROUBLESHOOTING GUIDE
Symptom Action
Heating or
Cooling will not
come on.
Check that the SYSTEM switch on
the thermostat is set to Heat
or Cool.
Check if the circuit breaker is
tripped—reset the circuit
breaker.
Check if the fuse is blown—
replace the fuse.
Check for air movement at the
register.
Check power to the heating or
cooling equipment.
Temperature
setting is too
warm or cool.
Adjust the temperature by
pressing either the ▲ or ▼ key.