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15
69-0803—1
Cooling will not come on. • Make sure the outdoor disconnect is engaged (on).
(Cont) • If the temperature setting is lower than the current
temperature, and the SYSTEM ON indicator is lit, move the
system switch from COOL to OFF for ten minutes. After ten
minutes, return the 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 the
air conditioner does not come on after the 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.
The zone is too warm or too
cool.
• Press the Run Program key to check the current
temperature setting.
• If desired, change the temperature setting. See
Programming Your Thermostat section.
SYSTEM ON indicator is lit,
but no heat is coming from
the registers.
• Allow time for the furnace to heat up and the fan to come on
before checking for heat at the register.