23 69-1003—1
Heating will not come on. • Check that the system control on the thermostat is set to HEAT.
• If the temperature setting is higher than current temperature,
and HEAT is displayed, contact your utility company.
Cooling will not come on. • Check that the system control on the thermostat is set to
COOL.
• Check the system fuse or circuit breaker and replace or reset,
if necessary.
• The thermostat has a built-in time delay on cooling. Allow five
to ten minutes after changing the setting before the air
conditioner starts to prevent equipment damage.
• If temperature setting is lower than current temperature, and
COOL is displayed, set the system control to the OFF setting
for ten minutes. After ten minutes, return the system control to
the COOL setting. If the air conditioner comes on, the
compressor may have reached its high limit temperature
