Troubleshooting and fault finding.
Problem Cause
Corrective
action
Motor will not start
or fuses or circuit
breakers blow.
1. Emergency button
depressed.
1. Rotate until the
switch returns to out
position
2. Short circuit
2. Repair or replace
short circuit item.
3. Start capacitor faulty. 3. Fit new capacitor.
4. Motor thermal
protection circuit
breaker faulty, or motor
is at fault.
4. Replace thermal
protection circuit
beaker in motor or
replace motor.
5. Open circuit in motor
or loose connections.
5. Replace or repair
motor or loose
connection
Fuses or circuit
breakers blow.
1. Motor drawing
excessive current
1. Repair or replace
motor.
2. Cutter head or motor
jammed
2. Remove jam.
3. Short circuit
3. Repair or replace
short circuit item.
Motor will not develop
full power or
motor speed slows with
load, overheats, or
stalls.
1. Motor run capacitor,
faulty.
1. Replace the
capacitor.
2. Machine overloaded.
2. Take smaller cuts.
3. Motor overheating.
3. Clean motor, taking
care to make sure that
all the cooling fins are
clean.
6. Short circuit in motor
or loose connections.
6. Repair or replace
motor / loose
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