Kärcher 10090700, Operating Instructions Manual

Page: 16 / 29

MACHINE TROUBLESHOOTING
86317790 FLOOR POLISHER 12/18/08
4-2
PROBLEM CAUSE SOLUTION
Machine will not run Circuit breaker tripped in
building. Check and reset.
Power switch failure Test switch for continuity and
replace if necessary.
Tripped circuit breaker Reset.
Faulty power cord Replace.
Fuse in motor blown
(Dual speed only) 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.
Electrical shock Equipment not grounded Follow grounding instructions
exactly.
Receptacle not grounded Have an electrician inspects
building’s wiring.
Internal wiring problem Ensure that the machine wiring
matches the appropriate wiring
diagram. Replace any wires or
components that are short
circuiting.
Repeated circuit breaker
tripping Mechanical problem Higher amp draws indicate a
mechanical problem. Find the
problem before using the
machine.
Faulty circuit breaker Test circuit for continuity.
Replace circuit breaker if
necessary.
Excessive vibration Pad not centered Re-center pad.
Damaged or unevenly worn
pad Replace pad. Do not rest
machine on pad when not in
use.
Damaged pad driver Replace.
Pad does not turn but motor is
running Sheer coupling has failed Replace coupling.