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PROBLEM
Machine will not run
Electrical shock
Repeated circuit breaker tripping
Excessive vibration
MACHINE TROUBLESHOOTING
CAUSE
Circuit breaker tripped in
building.
Power switch failure
Tripped circuit breaker
Faulty power cord
Fuse in motor is blown
Equipment not grounded
Receptacle not grounded
Internal wiring problem
Mechanical problem
Faulty circuit breaker
Pad not centered
Damaged or unevenly worn
pad.
Damaged pad driver.
MB2000 98883 05/04/01
SOLUTION
Check and reset
Test switch for continuity
and replace if necessary.
Reset
Replace
Replace
CAUTION: To reduce the
risk of electrical shock,
unplug the machine before
opening fuse holder.
Fuse will only open under
extreme conditions.
Investigate cause before
replacing.
Follow grounding
instructions exactly.
Have an electrician inspect
building's wiring.
Ensure that the machine
wiring matches the
appropriate wiring
diagram. Replace any
wires or components which
are short circuiting.
Higher amp draws indicate
a mechanical problem, find
the problem before using
the machine.
Test circuit for continuity.
Replace circuit breaker if
necessary.
Re-center pad.
Replace pad. Do not rest
machine on pad when not
in use.
Replace.
4-1
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