GREE U-Match 5 SERIES UNIT SERVICE MANUAL
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3.4.5 “E6” Communication Error
Error display:
ODU mainboard, IDU wired controller and IDU receiver light board will display E6
Error judgment condition and method:
If no communication between ODU and IDU or between IDU and wired controller in continuously 120s, this
error will be reported.
Possible reason:
■Communication wire is connected improperly or loose.
■Communication wire is cut off
■Communication wire is in poor connection
■Connected wired controller quantit
y or address setting is improper
■Controller is abnormal
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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