Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE H5 Solution: MULTIPLE SOLUTIONS Cause: IPM PROTECTION 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 H4 Solution: MULTIPLE SOLUTIONS Cause: SYSTEM IS ABNORMAL Remarks: DESCRIPTION:*AC UNIT IN COOLING/DRY MODE: ALL LOADS WILL STOP, EXCEPT THE INDOOR FAN THAT WILL CONTINUE TO OPERATE. *AC UNIT IN HEATING MODE: THE COMPLETE UNIT STOPS OPERATION.REPAIR:1) IMPROPER INPUT VOLTAGE:SOLUTION 1) CHECK...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE H3 Solution: MULTIPLE SOLUTIONS Cause: OVERLOAD PROTECTION OF 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) THE SYSTEM IS NOT OK:SOLUTION...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE H2 Solution: MULTIPLE SOLUTIONS Cause: STATIC DEDUSTING PROTECTION Remarks: REPAIR:1) THE WIRING OF THE DUST CATCHER IS NOT OK:SOLUTION 1) CHECK IF THE WIRING OF THE DUST CATCHER IS WELL CONNECTED OR NOT. RECONNECT IF NEEDED2) THE DUST CATCHER IS DIRTY:SOLUTION 2)...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE H1 Solution: NORMAL DEFROSTING FUNCTION Cause: DEFROSTING PROTECTION Remarks: DESCRIPTION:AC UNIT IN HEATING MODE: THE UNIT WILL STOP OPERATION WHILE THE COMPRESSOR WILL OPERATE. REPAIR:IT IS A NORMAL STATE WHILE THE HEATING MODE IS ACTIVATED. WHEN H1 STARTS, THE FAN WILL STOP...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE P5 Solution: MULTIPLE SOLUTIONS Cause: OVER-PHASE CURRENT PROTECTION OF 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) THE WIRING OF THE...
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)...
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 F9 Solution: MULTIPLE SOLUTIONS Cause: DECREASED FREQUENCY DUE TO HIGH AIR DISCHARGE Remarks: DESCRIPTION:ALL SYSTEMS OPERATE NORMALLY, WHILE THE OPERATION FREQUENCY FOR THE COMPRESSOR IS DECREASED.REPAIR:1) THE EVAPORATOR AND CONDENSER ARE DIRTY:SOLUTIONS 1) CHECK IF THE EVAPORATOR AND CONDENSER ARE DIRTY OR...
Symptom: DXG-18, DXH-18, MGC-18 - ERROR CODE F8 Solution: MULTIPLE SOLUTIONS Cause: DECREASED FREQUENCY DUE TO OVERCURRENT Remarks: DESCRIPTION:ALL SYSTEMS OPERATE NORMALLY, WHILE THE OPERATION FREQUENCY FOR THE COMPRESSOR IS DECREASED.REPAIR:1) THE INPUT SUPPLY VOLTAGE IS NOT STABLE:SOLUTION 1) CHECK IF THE SUPPLY VOLTAGE IS TOO LOW. IF YES,...