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RTH7600
25 69-2206EF—01
Troubleshooting
SETUP WIRING ASSISTANCE TROUBLESHOOTING
Heating or cool-
ing system does
not respond
Press SYSTEM to set system to Heat.
Make sure the temperature is set higher
than the Inside temperature.
Press SYSTEM to set system to Cool.
Make sure the temperature is set lower
than the Inside temperature.
Check circuit breaker and reset if
necessary.
Make sure power switch at heating &
cooling system is on.
Make sure furnace door is closed
securely.
Wait 5 minutes for the system to
respond.
“Wait” appears
on the screen
Compressor protection feature is
engaged. Wait 5 minutes for the system
to restart safely, without damage to the
compressor.
Heat pump is-
sues cool air in
heat mode, or
warm air in cool
mode
Check Function 0190: Heat Pump
Changeover Valve to make sure it is
properly congured for your system
(see page 17).