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69-0786—2
Heating will not come on (Cont). ■ If display is blank or displays
bAt Lo,
install fresh
batteries.
■ If temperature setting is higher than current temperature,
and thermostat displays HEAT, contact Honeywell
Customer Assistance at 1-800-468-1502.
Cooling will not come on. ■ Check that the switch on the thermostat is set to
COOL.
■ Check the system fuse or circuit breaker and replace or
reset, if necessary.
■ If display is blank or displays
bAt Lo
, install fresh
batteries.
■ The thermostat has a built-in time delay on cooling.
Allow five to ten minutes after changing the setting
before the air conditioner starts.
■ If the temperature setting is lower than the current
temperature, and the thermostat displays COOL, move
the system switch from COOL to OFF for ten minutes.
After ten minutes, return the switch to the COOL