7.6 The motor does not start
The electric motor is not
starting up or the start
up trial is interrupted.
ERROR:
Is the fuse in the
power source blowing
when trying to start
the motor?
Is the thermistor
fuse in the electrical
cabinet blowing?
Let the motor cool down. The
overload protection is automatically
reset after a couple of minutes. Is the
overload lamp lit up again when
trying to start the motor?
Does the fuse still blow?
Is the cable between the electrical
cabinet and the motor OK? Unplug the
machine, open up the motor connection
box and measure the cable between the
connection box and the motor cable
connector with a multimeter.
Is the voltage in
the connection
blocks for external
cable according to the
voltage specified
on the motor?
Reduce the load. Check
the power source and
extension cable
dimensions.
ACTION:
Replace the external
cable and plug.
ACTION:
Replace the cable
between the electrical
cabinet and the motor.
ACTION:
Is the voltage level in the motor
cable connector OK? Close the
electrical cabinet, disconnect the motor
cable connector, plug in the machine and
turn the stop/run switch to position “1”.
Measure the voltage in the motor cable
connector part that is mounted
to the electrical cabinet.
Change the motor
cable connector.
ACTION:
YES
YES
YES
NO
YES
NO
YES
NO
NO
YES
NO
NO
1022 - 002 -
Troubleshooting - 15
