TROUBLESHOOTING
PROBLEM
CAUSE
SOLUTION
No power
Key turned off
Turn key on
Batteries discharged
Recharge batteries
Loose or disconnected battery cable
Secure battery cable connections
Circuit breaker tripped
Reset 5 A circuit breaker
Main fuse blown
Replace 100 A main fuse
Fault indicator light is on or
machine is beeping
Machine fault has been detected
See FAULT INDICTOR LIGHT/BEEP
CODES
Machine does not propel
Operator not seated
Operator must be seated to operate
machine
Seat sensor wire harness plug is dis-
connected
Connect seat sensor wire harness
plug
Faulty control board
Contact Service Center
Faulty drive motor or wiring
Contact Service Center
Worn carbon brushes in motor
Contact Service Center
Brush motor(s) do not operate
Low voltage interrupt activated
Recharge batteries
Loose or broken belt
Contact Service Center
Faulty brush motor or wiring
Contact Service Center
Worn carbon brushes in motor
Contact Service Center
Vacuum motor(s) do not operate
Low voltage interrupt activated
Recharge batteries
Faulty vacuum motor or wiring
Contact Service Center
Worn carbon brushes in motor
Contact Service Center
Scrub head will not lower.
Cleaning button not pressed
Press cleaning button
Low voltage interrupter activated
Recharge batteries
Full recovery tank
Empty recovery tank
No solution spray or solution spray
is uneven (streaking occurs)
Solution system needs priming
Prime solution system (See PRIMING
SOLUTION SYSTEM)
Scrub head not lowered
Press cleaning button to lower head
Solution switch is turned off
(Extraction Cleaning)
Turn solution switch on
Solution tank is empty
Refill solution tank
Clogged spray tips
Clean spray tips
Plugged solution tank filter
Clean solution tank filter
Clogged solution line filter
Clean solution line filter
Faulty pump or solution solenoid
Contact Service Center
Clogged solution line
Flush plumbing system
Spray nozzle out of alignment
Realign spray nozzle
R14 1032129 REV.01 (12-06)
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