Can the motor/
grinding disc easily
be rotated by hand?
Attention! The machine
must be
unplugged and
the grinding
tools removed!
Are all the wires
and connections in
the motor connection box
OK? Check with help
from the wiring
diagram.
Is the cable and
plug between the
machine and power source
OK? Check the cable
for continuity with
a multimeter.
Replace the external
cable and plug.
ACTION:
Replace/connect wires
in the motor connection
box with help from the
wiring diagram.
ACTION:
Is the fuse in the power source
blowing when the motor cable is
disconnected from the electrical
cabinet during start up?
Check the components,
wires and connections
in the electrical cabinet
with help from the
wiring diagram.
ACTION:
Replace the electric
motor.
ACTION:
Are the starting
and running capacitors
OK? Measure the
capacitance with a
multimeter.
Are the motor
windings OK? Measure
the inductance with help
from this workshop
manual.
Replace the electric
motor.
ACTION:
Replace the electronic
motor starter switch.
ACTION:
Replace the capacitors.
ACTION:
YES
NO
YES
NO
NO
NO
YES
YES
YES
NO
NO
YES
YES
16 - Troubleshooting
1022 - 002 -