20
Trouble shooting
Problem Possible Cause Help
The motor does not run. Faulty motor, power supply cable or plug.
Burned out fuses.
Have the machine checked by skilled person-
nel. Do not try to repair the machine your-
selves as it may be dangerous. Check the
fuses and replace them if necessary.
The motor starts slowly
and does not reach run-
ning speed.
Low power supply voltage. Damaged wind-
ings. Burned out capacitor.
Ask for the Electricity Board to check the
voltage available. Have the machine motor
checked by skilled personnel. Have the ca-
pacitor replaced by skilled personnel.
Excessive motor noise. Damaged windings. Faulty motor. Have the motor checked by skilled personnel.
The motor does not
reach full power.
Overloaded circuit due to lighting, utilities or
other motors.
Do not use other utilities or motors on the cir-
cuit to which the plunge cut saw is connected.
Motor overheats easily Overload of the motor; inadequate cooling of
the motor
Prevent overloading the motor when cutting;
remove dust from the motor to ensure an
optimum cooling of the motor
Decrease in cutting
power when sawing
The saw blade is too small (sharpened too
often)
Re-adjust the end stop of the saw unit
The saw cut is rough or
wavy
The saw blade is dull; the tooth shape is not
suited to the thickness of the material
Re-sharpen the saw blade or use an appropri-
ate saw blade
The work piece rips or
splinters
The cutting pressure is excessive or the saw
blade is not suited to the application
Use the correct saw blade
Only a qualied electrician is permitted to connect the
machine and complete repairs on its electrical equip-
ment.
In the event of enquiries please specify the following
data:
• Motor manufacturer
• Type of current of the motor
• Data recorded on the machine’s rating plate
• Data recorded on the switch’s rating plate
If a motor has to be returned, it must always be dis-
patched with the complete driving unit and switch.
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