The Motor Does Not Start - Husqvarna PG 280 S Workshop Manual

7.6 The motor does not start

ERROR:
The electric motor is not
starting up or the start
up trial is interrupted.
Is the thermistor
fuse in the electrical
cabinet blowing?
NO
1022 - 002 -
Is the fuse in the
power source blowing
when trying to start
NO
the motor?
YES
YES
Is the voltage in
the connection
blocks for external
cable according to the
voltage specified
on the motor?
NO
ACTION:
Replace the external
cable and plug.
ACTION:
Change the motor
cable connector.
YES
YES
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?
NO
ACTION:
Reduce the load. Check
the power source and
extension cable
dimensions.
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
NO
to the electrical cabinet.
YES
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.
NO
ACTION:
Replace the cable
between the electrical
cabinet and the motor.
YES
Troubleshooting - 15