Troubleshooting Guide
Electrical Problems
6
6-3 60HDdoc102619 Troubleshooting Guide
6.2 Electrical Problems
PROBLEM CAUSE SOLUTION
Up/down Excessively Slow. Up/down belt loose. Adjust belt to be as loose as possible without
slipping.
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 control panel cover
and clean contacts.
Bad key switch. Replace key switch.
Circuit breaker. Reset breaker in control box (See Section
6.9).
Burned-out motor. Replace motor.
Bad connection on battery post
or loose wire.
Check for loose wire or terminal connections.
Power Feed Motor Does Not
Work.
Sawdust buildup in the power
feed pulleys.
Sawdust buildup puts mechanical bind on
power feed which causes automatic motor
protection 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.
Up/Down Or Power Feed
Switches Remain Engaged
When Switch Is Released.
Worn or dirty contacts in drum
switch.
Manually move the power feed or up/down
switch back to neutral or "off" position.
Replace drum switch or remove control panel
cover and clean and lubricate contacts
NOTE: Use only contact grease supplied by
Wood-Mizer.
Drum switch spring broken. Manually move the power feed or up/down
switch back to neutral or "off" position.
Replace drum switch spring.
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