GREE DC INVERTER HEAT PUMP CONDENSING UNIT SERVICE MANUAL
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■Drive board outdoor fan current sampling circuit element is damaged or drive chip current sampling AD
terminal is abnormal.
■Outdoor fan is damaged.
Troubleshooting
：
3.4.33“C8” ODU Drive jumper cap error
Error display:
ODU mainboard LED displayer
Error judgment condition and method:
If jumper cap model doesn‘t match with mainboard, report the error
Possible reason:
■Jumper cap is not installed.
■Jumper cap model is wrong.
■Detecting circuit is abnormal.
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