69-1725-1 60
Cannot set System
setting to Cool.
Check Installer Setup Number 0170, Heating
and/or Cooling System Type; make sure the
setting matches the installed heating and/or
cooling system.
“Heat On” is not
shown in the display.
Set the System setting to Heat and set the
temperature setting above the room
temperature. If “Heat On” is shown solidly in
the display, but the heating system does not
turn on, see “Heating system does not turn
on” in the Troubleshooting Tips.
“Cool On” is not
shown in the display.
Set the System setting to Cool and set the
temperature setting below the room
temperature. If “Cool On” is shown solidly in
the display, but the cooling system does not
turn on, see “Cooling system does not turn
on” in the Troubleshooting Tips.
“Wait” shows in the
display.
Compressor minimum-off timer is active. Wait
up to five minutes for the cooling or heating
system to turn on.
Fan does not turn on
in a call for heat
(electric furnaces
only).
Check Installer Setup Number 0180, Fan
Control in Heating, and make sure it is set to
Electric Heat.
Heat pump puts out
cool air in the heat
mode and warm air in
the cool mode (heat
pumps only).
Check Installer Setup Number 0190, Heat
Pump Changeover Valve, and make sure the
setting matches the changeover required by
the installed heat pump.
Both the heating and
cooling systems are
running at the same
time.
Check Installer Setup Number 0170, Heating
and/or Cooling System Type, and make sure
the setting matches the installed heating and/
or cooling system.
Check and make sure the bare portions of the
wires are not touching.
Troubleshooting Tips (Continued)If . . . Then . . .