Honeywell CT3400 Programming And Installation Instructions page 35

The house is too warm or
too cool.
Display says HEAT ON, but
no heat is coming from
the registers.
The system cycle length
is too short or too long.
position. If your air conditioner comes on, this indicates your
compressor may have reached its high limit temperature pro-
tection and shut down. If your air conditioner does not come
on after ten minutes and the display says COOL, contact
Honeywell Customer Assistance at 1-800-468-1502.
■ Press CURRENT SETTING to check the current temperature
setting.
■ If desired, change the temperature setting. See page 15.
■ Allow time for the furnace to heat up and the fan to come on
before checking for heat at the register. Note that on most gas
and oil systems, the fan is not controlled by the thermostat, but
by another control, which may account for the delay.
■ Readjust according to instructions on pages 18 and 19.
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