Husqvarna PG 280 S Workshop Manual page 16

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