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7-2 Electrical Problems
Problem Possible Causes Possible Remedies
Machine stops for no
apparent reason
Safety switch has stopped power Check that the knobs that operate
the safety switch are tightened
Electric motor does not
start
No power
Overload failure
Safety switch not working
Cutting chamber too full
Check fuses
Check amperage of electric motor
Check and replace
Empty cutting chamber
Motor starts but does not
speed up or take a load
Excessive drive belt tension
Motor connected to power source
incorrectly
Defective starter winding
Check belt tension and adjust
Reconnect correctly
Check current in each phase. If
substantial difference between
phases, contact motor manufacturer
Motor starts, but does not
gain speed
Bearing excessively worn
Cutting chamber full
Replace bearings
Empty cutting chamber
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