RTH7600 Touchscreen Programmable Thermostat Owner's Manual

19
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank • Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• Make sure fresh AA alkaline batteries are correctly installed.
Temperature
settings do not
change
Make sure heating and cooling temperatures are set to acceptable
ranges:
• Heat: 40° to 90 °F (4.5° to 32 °C).
• Cool: 50° to 99 °F (10° to 37 °C).
Heating or
cooling 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.
Cannot change
system setting
to Cool
• Check Function 0170: System Type to make sure it is set to
match your heating and cooling equipment.
Fan does not
turn on when
heat is required
• Check Function 0180: Heating Fan Control to make sure it is set
to match your heating equipment.
Heating system
is running in cool
mode
• Check Function 0170: System Type to make sure it is set to
match your heating and cooling equipment.
Red light is on • If thermostat is in Emergency Heat mode the red light is normal.
It shows that the thermostat is in emergency heat mode.
• If thermostat is not in Emergency Heat mode, contact a qualified
service contractor for repair.
“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
issues cool air
in heat mode, or
warm air in cool
mode
• Check Function 0190: Heat Pump Changeover Valve to make
sure it is properly configured for your system.
For assistance with this product, please visit http://yourhome.honeywell.com or
call Honeywell Customer Care toll-free at 1-800-468-1502.