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Symptom
Probable Cause
Corrective Action
Charge the battery.
Replace Battery.
Replace Rotor.
Replace Switch.
Replace F/R change lever.
Replace Controller.
Check the setting.
Switch is broken.
(Broken switch body, Connector or
Lead wire)
Controller is broken.
The function is restricted in the setting
of the dedicated app.
F/R change lever is broken.
Battery is not charged.
Battery is inactive, broken or its service
life has expired.
The machine is in an overload work.
Rotor is broken.
Auto battery shut-off system
does not work.
Check the machine limit capacity.
Replace Controller.
Controller is broken.
Replace Stator.
Stator is broken.
Rotation cannot be reversed.
The machine rotates in one
direction only
.
Charge Battery.
Battery is not charged.
Remarkable decrease in work
volume from a single charge.
Replace Battery.
Replace Controller.
Replace Stator.
Replace Rotor.
The battery is inactive, broken or its
service life has expired.
Controller is broken.
Stator is broken.
Rotor is broken.
