31
30
The system cycle length ■ Readjust according to instructions on pages 16-17.
is too short or too long.
The thermostat's current ■ Check that the wiring hole in the wall behind the
setting does not match the wallplate has been plugged with insulation to
display temperature. prevent drafts which might adversely affect
thermostat operation.
■ Be aware that it is normal for the current setting
and display temperature to differ on occasion.
Cooling will not come on. (Cont.) 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.
The house is too warm or too cool. ■ Press RUN PROGRAM key to check the current
temperature setting.
■ If desired, change the temperature setting. See
page 14.
SYSTEM ON indicator is lit, but no ■ Allow time for the furnace to heat up and the fan to
heat is coming from the registers. come on before checking for heat at the register.
Check to make sure system on-length is set
correctly according to page 16.)
Furnace or air conditioner cycles ■ Check system setting on back of thermostat.
too frequently.
