GREE U-Match 5 SERIES UNIT SERVICE MANUAL
81
Troubleshooting
:
3.4.29 “P7” Driver Module Sensor Error
Error display:
ODU mainboard, IDU wired controller and IDU receiver light board will display P7
Error judgment condition and method:
If IPM or PFC module temperature is lower than the set protection value, then it can be judged that driver
module sensor error occurs and system will shut down for protection.
Possible reason:
■
Module temperature sensor is short-circuited or broken-circuited.
■Drive board current sampling cir
cuit element is damaged or drive chip current sampling AD terminal is
abnormal.
Troubleshooting
:
P7
Driver module sensor error
Replace the drive board
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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