Carpet Maintainer Operating Instructions
MAINTENANCE 
86269870 07/11/07 
4-2 
MACHINE TROUBLESHOOTING 
PROBLEM  CAUSE  SOLUTION 
No power to machine  Tripped electrical circuit 
breaker in fuse box of building 
Check building circuit breaker 
  Faulty power cord  Replace power cord 
  Power switch failure or relay 
failure 
Replace power switch or 
relay 
  Tripped circuit breaker  Reset circuit breaker. Higher 
amp draw may indicate faulty 
parts. Find parts not moving 
freely and correct as needed. 
  Internal wiring problem  With machine unplugged, 
check for and correct, any 
loose wire connections. 
  Faulty rectifier  Replace rectifier 
Electrical Shock  Equipment not grounding  Follow grounding instructions, 
pg 2-3 
  Receptacle not grounded  Have an electrician inspect 
the building’s wiring 
  Interal 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/gear box  Replace brush motor/gear 
box 
  Belt failure  Replace belts 
  Worn brush motor brushes  Replace brushes, check 
commutator 
Power to motor but motor does not 
run 
Worn brush motor brushes  Replace brushes, check 
commutator 
Bearing squealing or grinding in 
brush housing 
Worn bearings  Replace worn bearing 
Machine will only run if the green (on) 
switch is continuously held down 
Defective red (off) switch. 
Sends constant “off” signal. 
Replace or reconnect wire to 
red (off) switch 
No flow or uneven flow from jet 
(Deluxe only) 
Clogged jet  Clean or replace jet 
Weak flow from clean jet 
(Deluxe only) 
Clogged strainer  Clean strainer 
Pump runs but no flow from jet 
(Deluxe only) 
Disconnect coupling at 
solution tank 
Attach the quick coupling to 
the solution tank 










