Troubleshooting Guide
Electrical Problems
Troubleshooting Guide
30S97doc041910
6-3
6
6.2
Electrical Problems
WARNING!
Before performing service near moving parts
such as blades, pulleys, motors, belts and chains, first turn
the key switch to the OFF (#0) position and remove the key.
If the key is turned on and moving parts activated, serious
injury may result.
WARNING!
Disconnect and lockout power before perform-
ing any service to the electrical system. For battery-pow-
ered equipment, disconnect the negative battery terminal
cable. Failure to do so may result in injury and/or electrical
system damage
PROBLEM
CAUSE
SOLUTION
Up/down Excessively Slow.
Up/down belt loose.
Adjust belt to be as loose as
possible without slipping.
Vertical wear pads too tight.
Adjust pads.
Worn up/down motor or motor
brushes.
Replace up/down motor or
motor brushes.
Up/down Or Power Feed
Motors Do Not Work.
Worn/dirty contacts in drum
switch.
Replace switch or remove con-
trol panel cover and clean con-
tacts.
Bad key switch.
Replace key switch.
Circuit breaker.
Reset breaker in control box
(
Burned-out motor.
Replace motor.
Bad connection on battery
post or loose wire.
Check for loose wire or termi-
nal connections.
Power Feed Motor Does Not
Work.
Sawdust buildup in the power
feed pulleys.
Sawdust buildup puts mechan-
ical bind on power feed which
causes automatic motor pro-
tection circuit to activate.
Remove sawdust from pulleys
and operate normally. If motor
does not operate after sawdust
removal, reset circuit breaker
on the front of the control box.
