SOPHIA TROUBLESHOOTING MULTI-ZONE DUCTLESS INVERTER SPLIT AIR CONDITIONER WITH HEAT PUMP WALL MOUNTED TYPE
Troubleshooting SAFETY PRECAUTIONS If ANY of the following conditions occurs, turn off your unit immediately! • • • • • The power cord is damaged or abnormally warm You smell a burning odor The unit emits loud or abnormal sounds A power fuse blows or the circuit breaker frequently trips Water or other objects fall into or out of the unit DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED SERVICE PROVIDER IMMEDIATELY! Common Issues The following problems are not a malfunction and in most situati
Issue Possible Causes A rushing air sound may occur when the louver resets its position. The indoor unit makes noises Due to expansion and contraction of the unit's plastic parts, a squeaking sound may occur after the unit is run in HEAT mode. Low hissing sound during operation: This is normal and is caused by refrigerant gas flowing through both the indoor and outdoor units.
Troubleshooting When troubles occur, please check the following points before contacting a repair company. Issue Possible Causes Solution The temperature setting may be higher than ambient Lower the temperature setting. room temperature. Poor cooling performance The heat exchanger on the indoor or outdoor unit is dirty. Clean the affected heat exchanger. The air filter is dirty. Remove the filter and clean it according to the instructions. The air inlet or outlet of either unit is blocked.
Issue The unit is not working The unit starts and stops frequently Poor heating performance Possible Causes Solution There is a power failure. Wait for the power to be restored. The power is turned off. Turn on the power. The fuse is burned out. Replace the fuse. The remote control batteries are Replace the batteries. dead. The unit’s 3-minute protection has been activated. Wait 3 minutes after restarting the unit. The timer is activated. Turn the timer off.