39
12. Troubleshooting
Problem
Possible cause
Troubleshooting
The motor of the bench-ty-
pe circular saw does not
start.
The power plug is not con-
nected to the supply.
The building fuse or the
RCCB has tripped.
The motor overload cut-
out has tripped because
the motor is overloaded or
has overheated.
Insert the power plug.
Check the power cable and, if
applicable, the extension cable
for damage.
Replace the fuse and/or switch
it on again (circuit breaker).
Allow the bench-type circular
saw to cool for 15-20 minutes.
Poor sawing performance,
the saw blade does not
run smoothly and/or a lot
of dust is produced when
sawing.
The saw blade is blunt.
Replace the saw blade with a
new one.
A lot of sparks are genera-
ted on the motor.
The carbon brushes are
defective.
Have the bench-type circular
saw checked by a service
center.
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