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Troubleshooting – Mechanical and Electrical Problems
Trouble Probable Cause Remedy
Machine will not
start/restart or
repeatedly trips
circuit breaker or
blows fuses.
No incoming power.
Verify machine is connected to power
source.
Electrical cord damaged. Replace cord.
Building circuit breaker trips or fuse
blows.
Verify that band saw is on a circuit of
correct size. If circuit size is correct,
there is probably a loose electrical
lead.
Switch or motor failure (how to
distinguish).
If you have access to a voltmeter, you
can separate a switch failure from a
motor failure by first, verifying
incoming voltage at 110 +/-10% [or
220 +/-10%] and second, checking
the voltage between switch and
motor. If incoming voltage is incorrect,
you have a power supply problem. If
voltage between starter and motor is
incorrect, you have a starter problem.
If voltage between starter and motor
is correct, you have a motor problem.
Motor overheated.
Clean motor of dust or debris to allow
proper air circulation. Allow motor to
cool down before restarting.
Motor failure.
If electric motor is suspect, you have
two options: Have a qualified
electrician test the motor for function
or remove the motor and take it to a
qualified electric motor repair shop
and have it tested.
Miswiring of the unit.
Confirm that all electrical connections
are correct.
Switch failure.
If the start/stop switch is suspect, you
have two options: Have a qualified
electrician test the switch for function,
or purchase a new start/stop switch
and establish if that was the problem
on change-out.
Band Saw does not
come up to speed.
Extension cord too light or too long.
Replace with adequate size and
length cord.
Low current. Contact a qualified electrician.