GREE GMV5 INDOOR UNIT SERVICE MANUAL
135
Troubleshooting:
1.2.6 “d9” Jumper cap error
Error display:
IDU wired controller and IDU receive light board will display
Error judgment condition and method:
Possible reason:
If jumper cap model doesn’t match with mainboard, report the error
■Jumper cap is not installed
■Jumper cap model is wrong
■Detecting circuit is abnormal
Troubleshooting:
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