Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE EA Solution: MULTIPLE SOLUTIONS Cause: OUTDOOR UNIT CURRENT SENSOR FAULT Remarks: DESCRIPTION:BIAS VOLTAGE OF THE PFC CURRENT SAMPLING CIRCUIT FAULT.REPAIR:1) CHECK IF REFRIGERANT HAS A LEAKAGE:SOLUTION 1) FIND AND REPAIR THE LEAKAGE PROBLEM AND RECHARGE REFRIGERANT2) SWITCH ON AC UNIT, MEASURE THE...
Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E9 Solution: MULTIPLE SOLUTIONS Cause: OUTDOOR UNIT IPM MODULE FAULT OR COMPRESSOR DRIVE FAULT Remarks: DESCRIPTION:E9 IS A GENERAL FAILURE CODE OF COMPRESSOR DRIVING FAILURE, IT MAINLY MEANS IPM MODULE PROTECTION. WHEN A UNIT HAS IPM PROTECTION, IT CANNOT BE RECOVERED AUTOMATICALLY.REPAIR:***WIRING...
Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E8 Solution: MULTIPLE SOLUTIONS Cause: OUTDOOR UNIT DISCHARGE TEMPERATURE SENSOR FAULT Remarks: DESCRIPTION:AC UNIT WILL STOP WORKING AND SHOW THE E8 ERROR CODE (ON INDOOR UNIT LED DISPLAY) WHILE THE OUTDOOR UNIT DISCHARGE TEMPERATURE SENSOR HAS AN OPEN OR SHORT CIRCUIT. IF...
Symptom: MGTC-20, DXTC-20, DXTH-20 - ERROR CODE E7 Solution: MULTIPLE SOLUTIONS Cause: OUTDOOR UNIT AMBIENT TEMPERATURE SENSOR FAULT Remarks: DESCRIPTION:AC UNIT WILL STOP WORKING AND SHOW THE E7 ERROR CODE (ON INDOOR UNIT LED DISPLAY) WHILE THE OUTDOOR UNIT AMBIENT TEMPERATURE SENSOR HAS AN OPEN OR SHORT CIRCUIT. IF...
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...
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 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: 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: 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: 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...