Carrier 42QHG009D8SSET Manuel D'installation page 13

OPERATING INSTRUCTIONS (continued)
Failure Indicator Display:
E0: Indoor EEPROM error;
E1: Indoor & outdoor communicaiton error;
E3: Indoor fan motor speed out of control;
E4: Room temperature sensor error;
E5: Evaporator temperature sensor error;
EC: Refrigerant leakage detection;
F0: Current overload protection;
F1: Outdoor temperature sensor error;
F2: Condenser temperature sensor error;
F3: Exhaust temperature sensor error;
F4: Outdoor electric EE error;
P0: IPM module error;
P1: Voltage too high/too low protection;
P2: Potection of IPM high temperature;
P3: Potection of outdoor temperature too low (For the Cooling & Heating models);
P4: Potection of compressor location;
P7: Outdoor IGBT sensor error.
Note: When one of the above malfunctions occurs, turn off the unit, and check for any
obstructions. Restart the unit, if the malfunction is still present, turn off the unit and
unplug the power cord. Contact the manufacturer or its service agents or a similar
qualified person for service.
Other features:
Auto-Restart(on some models)
If the unit breaks off unexpectedly due to the power cut,it will restart with the previous function
setting automatically when the power resumes.
Wait 3 minutes before resuming operation
After the unit has stopped, it can not be restarted operation in the first 3 minutes.
This is to protect the unit. Operation will automatically start after 3 minutes.
Turbo function
Press the TURBO button by remote controller on COOL/HEAT (For models adopts Electrical
heater only) mode, the air condetioner goes into powerful cooling/heating operation. Press
again to cancel the TURBO function.
NEVER operate the air conditioner without the
air filter, as dust/dirt particles can contribute to
equipment failure.
CAUTION
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