Honeywell Electronic Programmable Thermostat Owner's Manual page 14

Cooling will not come on.
(Continued)
Too warm or too cool.
SYSTEM ON indicator is lit, but
no heat is coming from the
registers.
If temperature setting is lower than current temperature,
and SYSTEM ON indicator is lit, move system switch
from COOL to OFF for ten minutes. After ten minutes,
return switch to the COOL position. If the air conditioner
comes on, the compressor could have reached its high-
limit temperature protection and shut down. If air
conditioner does not come on after ten minutes and the
SYSTEM ON indicator is lit, contact your local dealer.
If 2- or 4-wire installation, verify that R-Rc jumper is
installed.
Press Run Program key to check the current tempera-
ture setting.
If desired, change the temperature setting. See Program-
ming Your Thermostat section.
Allow time for the furnace to heat up and the fan to come
on before checking for heat at the register.
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