GREE U-Match 5 SERIES UNIT SERVICE MANUAL
60
Possible reason
:
■Cut
-off valve of ODU is not fully opened;
■Electronic expansion valve is abnormal;
■Outdoor or indoor fan is not working properly;
■IDU filter or air duct is blocked (cooling mode);
■Ambient temperature exceeds allowable operation range;
■Refrigerant charging amount is insufficient;
■System
pipeline is blocked;
Troubleshooting
:
Summary of Contents for U-Match 5 Series
Page 31: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 28 Model GUD100W NhA T...
Page 32: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 29 Model GUD125W NhA T GUD140W NhA T...
Page 33: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 30 Model GUD100W NhA X...
Page 34: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 31 Model GUD125W NhA X GUD140W NhA X...
Page 35: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 32 Model GUD160W NhA X...
Page 59: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 56 Troubleshooting...
Page 78: ...GREE U Match 5 SERIES UNIT SERVICE MANUAL 75 Troubleshooting...
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