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
