Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE E2 Solution: MULTIPLE SOLUTIONS Cause: ANTI-FREEZING PROTECTION Remarks: DESCRIPTION:AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR AND OUTDOOR FAN STOP OPERATING WHILE THE INDOOR FAN CONTINUES TO OPERATE.REPAIR:1) POOR AIR RETURN IN INDOOR UNIT:SOLUTION 1) CHECK IF THERE ARE ANY OBSTRUCTIONS AND MAKE...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE E3 Solution: MULTIPLE SOLUTIONS Cause: LOW PRESSURE PROTECTION Remarks: DESCRIPTION:THE COMPLETE UNIT WILL STOP OPERATING.REPAIR:1) THE LPP CONNECTION TERMINAL WIRES OF THE PCB DOESN'T CONNECT WELL WITH THE HIGH PRESSURE SWITCH:SOLUTION 1) CHECK IF THE LPP CONNECTING TERMINAL WIRES OF THE PCB...
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...