−
60
−
Replace the driver.
Replace the control printed circuit board.
Replace the proximity sensor.
Check the connector.
Replace the cable.
Check the power supply.
Replace the switch.
Adjust the belt tension, and turn OFF the power to the
machine once. Or replace the belt.
3.
The stepping motor fails to run.
4
.
Change-over of the switch is
invalid.
5.
When moving your foot away from
the pedal, the machine stops
immediately without rotating until
the home position is reached.
Faulty stepping motor driver
Faulty signal output from the control
printed circuit board
Faulty proximity sensor
Defective power cable
The stepping motor driver cannot be
actuated.
Faulty switch contact
The belt between the main shaft and
the intermediate shaft excessively
slacks.
(Synchronizer error)
The connector has been disconnected.
The power cable has been damaged.
Troubles
Cause (1)
Cause (2)
Corrective measures
