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Decoiling flat line is not normal rotation for several reasons

1, open-book leveling lines overloaded the inverter over-current alarm.

Workaround, turn off the main power electronic control system, restart.

2, transmission gear damage.

First turn off the main power supply, and then hand scroll unwinding head to see is not a stuck phenomenon. If you view the transmission gear, timely replacement of damaged equipment.

3, open-book leveling guide wire feeding equipment near to the top of the photoelectric switch or buffer pit near to the bottom of the photoelectric switch is damaged, can not detect the silicon near to the signal should be given replacement.