Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E0 Solution: MULTIPLE SOLUTIONS Cause: COMMUNICATION FAULT OF INDOOR / OUTDOOR UNIT Remarks: DESCRIPTION:WHEN THE AC UNIT WORKS, THE INDOOR UNIT PCB AND OUTDOOR UNIT PCB NEED TO COMMUNICATE CONTINUOUSLY AND CHECK THE STATUS FOR BOTH SIDES. IF THERE IS A COMMUNICATION...

Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE E4 Solution: MULTIPLE SOLUTIONS Cause: HIGH DISCHARGE TEMPERATURE PROTECTION OF COMPRESSOR Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR AND OUTDOOR FAN STOP WHILE THE INDOOR FAN CONTINUES TO OPERATE. *AC UNIT IN HEATING MODE: ALL LOADS STOP OPERATION.REPAIR:1) THE AIRFLOW OF...

Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E1 Solution: MULTIPLE SOLUTIONS Cause: INDOOR UNIT ROOM TEMPERATURE SENSOR FAULT Remarks: REPAIR:1) CHECK IF INDOOR UNIT TEMPERATURE SENSOR IS CONNECTED PROPERLY2) HARDWARE FAILURE. REPLACE THE TEMPERATURE SENSOR IF NECESSARY...

Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE E5 Solution: MULTIPLE SOLUTIONS Cause: OVERCURRENT PROTECTION Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR AND OUTDOOR FAN STOP WHILE THE INDOOR FAN CONTINUES TO OPERATE. *AC UNIT IN HEATING MODE: ALL LOADS STOP OPERATION.REPAIR:1) THE SUPPLY VOLTAGE IS UNSTABLE. IT SHOULD...

Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E2 Solution: MULTIPLE SOLUTIONS Cause: INDOOR UNIT COIL TEMPERATURE SENSOR FAULT Remarks: REPAIR:1) CHECK IF INDOOR UNIT COIL TEMPERATURE SENSOR IS CONNECTED PROPERLY2) HARDWARE FAILURE. REPLACE THE TEMPERATURE SENSOR IF NECESSARY...

Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE E6 Solution: MULTIPLE SOLUTIONS Cause: COMMUNICATION MALFUNCTION Remarks: DESCRIPTION:*AC UNIT IN COOLING MODE: THE COMPRESSOR STOPS WHILE THE INDOOR FAN MOTOR CONTINUES TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS.REPAIR:1) IMPROPER SUPPLY VOLTAGE OR MISMATCHED INDOOR AND OUTDOOR UNIT:SOLUTION...

Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E3 Solution: MULTIPLE SOLUTIONS Cause: OUTDOOR UNIT COIL TEMPERATURE SENSOR FAULT Remarks: DESCRIPTION:AC UNIT WILL STOP WORKING AND SHOW THE E3 ERROR CODE (ON INDOOR UNIT LED DISPLAY) WHILE THE OUTDOOR UNIT COIL TEMPERATURE SENSOR HAS AN OPEN OR SHORT CIRCUIT. IF...

Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE E8 Solution: MULTIPLE SOLUTIONS Cause: HIGH TEMPERATURE PREVENTION PROTECTION Remarks: DESCRIPTION:*AC UNIT IN COOLING MODE: THE COMPRESSOR WILL STOP WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: ALL LOADS STOP OPERATION.REPAIR:1) THE TUBE TEMPERATURE SENSOR OF INDOOR...

Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E4 Solution: MULTIPLE SOLUTIONS Cause: REFRIGERANT SYSTEM LEAKAGE OR FAULT Remarks: DESCRIPTION:THE E4 ERROR CODE IS A GENERAL FAILURE, MAINLY BECAUSE OF A LEAKAGE.REPAIR:1) IN CASE OF REFRIGERANT LEAKAGE, FIND AND REPAIR LEAKAGE PROBLEM AND RECHARGE REFRIGERANT2) IN CASE OF BLOCKED VALVE,...

Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E6 Solution: MULTIPLE SOLUTIONS Cause: INDOOR FAN MOTOR FAULT Remarks: DESCRIPTION:IF NO AIR COMES OUT FROM THE INDOOR UNIT WHILE IT WORKS, THE INDOOR LED DISPLAY WILL SHOW THE E6 ERROR CODE (FOR PG AND DC MOTOR ONLY).REPAIR:1) CHECK THE INDOOR CROSS...