PROBLEM /
FAULT
The motor is not
1. Faulty motor, power cable or
working properly.
2. Blown fuses.
3. Damaged brushes (for
The motor
1. Low power supply voltage
2. Damaged windings.
starts slowly or
does not reach
operating speed
The motor is
1. Faulty motor.
making too much
noise
The motor does
1. Mains system circuits
not reach full
power
The motor tends
1. Motor overload
2. Insuffi cient motor cooling.
to overheat
Reduction in
1. The blade has been
cutting capacity
The cutting
1. The blade is worn down or
fi nish is rough or
uneven
Splintering of the
1. The blade's teeth are not
cut workpiece.
TROUBLESHOOTING
EN
PROBABLE CAUSE
plug.
version with brushed motor).
Damaged windings.
overloaded by lights, utilities
or other motors.
sharpened many times thus
reducing its diameter.
the teeth are not suitable for
the thickness of the material
being cut.
suitable for the workpiece
being cut.
107
SUGGESTED REMEDY
1. Have the machine checked by expert
personnel.
DANGER - WARNING
NEVER ATTEMPT TO REPAIR
THE MOTOR YOURSELF: IT
COULD BE DANGEROUS.
2. Check the fuses and replace them if
necessary.
3. Have the brushes replaced by expert
personnel.
1. Ask the power supply company to
check how much voltage is available.
2. Have the machine motor checked by
expert personnel.
1. Have the machine motor checked by
expert personnel.
1. Avoid using utilities or other motors
on the same circuit to which the
machine is connected.
1. Avoid overloading the motor during
cutting operations.
2. Remove the dust from the motor to
achieve a correct fl ow of cooling air.
1. Adjust the limit switch for head
lowering.
1. Have the blade sharpened by a
specialized company.
2. Check the teeth on the blade are
suitable.
1. Check the correct teeth to be used.