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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.
Furnace or air conditioner cycles
too frequently.
conditioner comes on, compressor may have reached
its high limit temperature protection and shut down. If air
conditioner does not come on after the 10 minutes and
the SYSTEM ON indicator is lit, contact Honeywell
Consumer Services at 1-800-468-1502
If 2- or 4-wire installation, verify that R-Rc jumper is
installed.
Press RUN PROGRAM key to check the current
temperature setting.
If desired, change the temperature setting. See
page 14.
Allow time for the furnace to heat up and the fan to
come on before checking for heat at the register.
Check to make sure system on-length is set
correctly according to page 16.)
Check system setting on back of thermostat.
30
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