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26
13.0 Troubleshooting PM3000B Cabinet Saw
13.1 Motor and electrical problems
Symptom Probable Cause Remedy
Saw will not start.
No incoming power. Check plug connection.
Safety key removed from switch. Install safety key.
Low voltage. Check power line for proper voltage.
Open circuit in motor or loose
connection.
Inspect all connections on motor for loose or
open connections.
Power cord damaged. Replace cord.
Saw will not start: fuse
blows or breaker trips.
Short circuit in line cord or plug. Inspect cord or plug for damaged insulation
and shorted wires.
Short circuit in motor or loose
connections.
Inspect all connections on motor for loose or
shorted terminals or worn insulation.
Incorrect fuses or circuit breakers in
power line.
Install correct fuses or circuit breakers.
Motor starts slowly or
fails to reach full speed.
Low voltage.
Request voltage check from power company
and correct low voltage condition.
Power line overloaded.
Correct overload condition. Use dedicated
circuit for table saw.
Undersized wires in supply system. Increase supply wire size.
Centrifugal switch not engaging.
Replace centrifugal switch (qualified
personnel only).
Motor malfunction.
Have motor checked by a qualified
inspector. Repair or replace.
Motor overheats. Motor overloaded. Reduce load on motor.
Improper cooling of motor; lack of air
circulation.
Clean sawdust from fan and duct areas of
motor.
Motor stalls, resulting in
blown fuses or tripped
breaker.
Motor overloaded. Reduce load on motor.
Short circuit in motor or loose
connections.
Inspect connections on motor for loose or
shorted terminals or worn insulation.
Low voltage. Correct low voltage conditions.
Incorrect fuses or circuit breakers in
power line.
Install correct fuses or circuit breakers.
Table 3
13.2 Mechanical and operational problems
Motor stalls or workpiece
binds or burns.
Excessive feed. Reduce feed.
Dull or incorrect blade.
Replace blade; use proper type of blade for
cut needed.
Miter slot misaligned. Realign table to blade.
Fence misaligned. Realign fence (see Accu-Fence manual).
Motor malfunction.
Have motor checked by a qualified
inspector. Repair or replace.
Machine slows or stalls
when operating.
Applying too much pressure to
workpiece.
Feed workpiece more slowly.
Poly-v drive belt is loose. Tighten belt.
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