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MACHINE TROUBLESHOOTING
ROMBUS 980124 07/02/03
4-2
PROBLEM CAUSE SOLUTION
No power to machine Dead electrical circuit
breaker in fuse box
Check building circuit
breaker
Faulty power cord Replace power cord
Power switch failure Replace power switch
Faulty circuit breaker Replace circuit breaker
Internal wiring problem With machine unplugged,
check for and correct, any
loose wire connections.
Electrical Shock Equipment not grounding Follow grounding
instructions, pg 2-3
Receptacle not grounded Have an electrician inspect
the building’s wiring
Internal electrical problem Check for any loose wire
connections, replace any
items that are short
circuiting
Nuisance tripping of circuit
breaker
Faulty circuit breaker Replace circuit breaker
Mechanical problem Test circuit breaker for
continuity. Higher amp
draw may indicate faulty
parts. Find parts not
moving freely and repair or
replace.
Brush not turning or scrubbing Faulty brush motor Replace brush motor
Gears worn Replace gears not
functioning
Brushes worn Replace brushes
Worn brush motor brushes Replace brushes, check
commutator
Worn bearings Bearing squealing or
grinding in brush housing
Replace worn bearing