Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE H0 Solution: MULTIPLE SOLUTIONS Cause: DECREASED FREQUENCY DUE TO HIGH TEMPERATURE RESISTANT DURING HEATING OPERATION Remarks: DESCRIPTION:ALL SYSTEMS OPERATE NORMALLY, WHILE THE OPERATION FREQUENCY FOR THE COMPRESSOR IS DECREASED.REPAIR:1) THE SUPPLY VOLTAGE IS NOT STABLE. IT SHOULD BE 90%-110% RATED VOLTAGE:SOLUTION 1)...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE UA Solution: MULTIPLE SOLUTIONS Cause: MISMATCH BETWEEN INDOOR AND OUTDOOR UNIT Remarks: REPAIR:1) VOLTAGE OF UNITS IS MISMATCHED:SOLUTION 1) PLEASE USE THE CORRECT POWER SUPPLY2) CONNECTION WIRING OF POWER IS NOT OK:SOLUTION 2) MAKE SURE THE CONNECTION WIRING OF POWE IS CORRECT3)...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE LC Solution: MULTIPLE SOLUTIONS Cause: STARTUP FAILURE Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) THE WIRING OF THE COMPRESSOR IS NOT...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE FO (SMALL O) Solution: ADD REFRIGERANT PER NAME PLATE OR INSTRUCTIONS FROM FACTORY Cause: REFRIGERANT RECOVERY MODE Remarks: REPAIR:1) LACK OF REFRIGERANT:SOLUTION 1) ADD REFRIGERANT PER NAME PLATE OR INSTRUCTIONS FROM FACTORY...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE U1 Solution: MULTIPLE SOLUTIONS Cause: MALFUNCTION OF PHASE CURRENT DETECTION CIRCUIT FOR COMPRESSOR Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) WIRING...
Symptom: DXF-19, DXH-19, MGC-19 - ERROR CODE E0/F4 Solution: MULTIPLE SOLUTIONS Cause: EEPROM PARAMETER ERROR Remarks: DESCRIPTION: INDOOR OR OUTDOOR PCB MAIN CHIP DOES NOT RECEIVE FEEDBACK FROM EEPROM CHIP.REPAIR:1) SHUT OFF THE POWER SUPPLY AND TURN IT BACK ON 2 MINUTES LATER: IS IT STILL DISPLAYING THE ERROR...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE EE Solution: PCB REPLACEMENT OF OUTDOOR UNIT Cause: EEPROM MALFUNCTION Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) OUTDOOR PCB IS MALFUNCTIONING:SOLUTION...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE PU Solution: MULTIPLE SOLUTIONS Cause: CHARGING MALFUNCTION OF CAPACITOR Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) IMPROPER INPUT VOLTAGE:SOLUTION 1) THE...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE PH Solution: MULTIPLE SOLUTIONS Cause: DC BUS VOLTAGE IS TOO HIGH Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) THE INPUT SUPPLY...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE U5 Solution: MULTIPLE SOLUTIONS Cause: CURRENT DETECTION MALFUNCTION OF UNIT Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: THE COMPRESSOR STOPS OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) LACK OF REFRIGERANT:SOLUTION 1)...