Carrier 40GJF Owner's Manual

Also see for 38GJQ Series: Installation instructions

9Table 1—Periodic MaintenanceINDOOR UNIT EVERY 3 MONTHS EVERY 6 MONTHS EVERY YEARClean Air Filter*Change Remote Control BatteriesSSSOUTDOOR UNIT EVERY 3 MONTHS EVERY 6 MONTHS EVERY YEARClean Outdoor Coil from OutsideClean Outdoor Coil from Inside†Blow Air Over Electric Parts†Check Electric Connection Tightening†Clean Fan Wheel†Check Fan Tightening†Clean Drain Pans†SSSSSSS* Increase frequency in dusty zones.{ Maintenance to be carried out by qualified service personnel. Refer to the Installation ManualTable 2—TroubleshootingPROBLEM POSSIBLE CAUSE SOLUTIONIndoor unit emits a bad odor onstart- up Air filter dirty Output air still has odor after cleaning filter. Clean the air filter Contact your service representative.You hear water flowing noisewhen the unit is running This is normal and is the refrigerant flowingthrough the system. No maintenance requiredIndoor unit produces a mistwhen the air conditioner isrunning This is normal cooling and is caused by highhumidity and temperature in the room. No maintenance required. Mist should stop asroom is cooled down and the humidity is removed.Wireless remote control doesnot work Batteries are dead. Unit needs to be reset. See battery replacement section in this manualand replace batteries. Turn off power to indoor unit. Remove plug fromwall and then reinsert plug. Restart unit.Water leaks into room fromIndoor unit Condensing water has overflowed  Check indoor condensing drain or call yourrepresentative.Unit/System Does Not Work  To protect the unit upon an immediate restartafter a stop, the system controller delaysthe unit for 3 minutes before allowing the unitto start back up. The circuit breaker has tripped or a fusehas blown. Power failure. Error codes displayed Voltage is too low. After turning unit off, wait at least 3 minutes beforetrying to restart. Reset the circuit breaker or replace the fuse withthe specified replacement fuse. Restart operation when the power is restored. Call your service representative. Call your service representative.Cooling is Not WorkingProperly The filter is blocked with dust. Temperature is not set properly. A window or door is open. The outdoor unit is obstructed. The fan speed is too low. The operation mode is in Fan instead ofCool. Clean the air filter. Check the temperature and reset if necessary. Close the window or door. Remove the obstruction. Change the fan speed selection. Change the operating mode to Cool or reset theunit.Heating is Not WorkingProperly The filter is blocked with dust. Temperature is set too low. A window or door is open. The outdoor unit is obstructed. Clean the air filter. Check the temperature and reset if necessary. Close the window or door. Remove the obstruction.Unit Stops During Operation  The Off timer is not operating correctly. Error codes displayed Restart the operating mode. Call your service representative.

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