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Cooling does not
come on
The thermostat is part of a
Demand Response event.
No power to thermostat.
System selection is not set
to Cool.
Cooling setpoint is above
room temperature.
If thermostat indicates SAVE, wait until
energy saving event is complete. To
cancel energy saving event, if available,
press and hold Run Program.
Check that setpoint is below room
temperature.
Check if circuit breaker is tripped—reset
circuit breaker.
Check if fuse at fuse box is blown—
replace fuse.
Check if System switch at equipment is in
Off position—set to On position.
Wait five minutes for System to respond—
(thermostat displays “Wait”).
Set System selection to Cool.
Table 3. Troubleshooting. (Continued)
Symptom Possible Cause Action