Honeywell 69-0786-2 Owner's Manual page 17

Cooling will not come on (Cont).
The house is too warm or too cool.
SYSTEM ON indicator is lit, but no
heat is coming from the registers.
The current thermostat
setting does not match the
display temperature.
bAt Lo remains on display after
fresh batteries are installed.
position. If the air conditioner comes on, the compressor
could have reached its high limit temperature protection
and shut down. If the air conditioner does not come on
after ten minutes and displays COOL, contact Honeywell
Customer Assistance at 1-800-468-1502.
Press Present Setting key to check the current
temperature setting.
If desired, change the temperature setting. See
page 5.
Allow time for the furnace to heat up and the fan to
come on before checking for heat at the register.
Be aware that it is normal for the current setting
and display temperature to differ occasionally.
Remove the batteries. Wait one hour. Install fresh
alkaline batteries.
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