B-22 / english, Circuit breaker tripping, Poor water pickup – Nilfisk-Advance America 56315047(855 EDS) User Manual
Page 44: Squeegee streaks, Swirl marks, No solution flow, Scrub deck raises while scrubbing (cylindrical), No detergent flow (eds)
B-22 / ENGLISH
B-22 - FORM NO. - 56041684 - BA 755, BA 855
CIRCUIT BREAKER TRIPPING
Circuit breakers protect electrical circuits and motors from damage due to overload conditions. If a circuit breaker trips, turn the Master Key
Switch (A) OFF and remove the key. Then try to determine the cause. Once the problem has been corrected, reset the circuit breaker by pushing
the button in. If the button does not stay in, wait 5 minutes and try again. If the circuit breaker trips repeatedly, call Nilfi sk for service.
Possible cause for the Control Circuit Circuit Breaker (21) tripping may be:
1
Short circuit in the wiring - have your Nilfi sk Service Technician service the machine
Possible causes for the Wheel Drive Circuit Breaker (20) tripping may be:
1
Debris wrapped around the drive wheel axle.
2
Worn out drive motor bearings.
3
Continuous use on ramps.
POOR WATER PICKUP
1
Recovery tank full, vacuum shut-off switch activated or dirty
2
Blocked vacuum system (squeegee and hoses)
3
Disconnected or damaged vacuum hoses
4
Incorrectly adjusted squeegee
5
Recovery tank cover gasket damaged
SQUEEGEE STREAKS
1
Debris under the squeegee blade
2
Worn, nicked or torn squeegee blade
3
Incorrectly adjusted squeegee
SWIRL MARKS
1
Running the machine with dry brushes or pads (no cleaning solution)
2
Incorrect brushes or pads for the application
3
Debris caught in brushes (or pads)
NO SOLUTION FLOW
1
Solution Shut-Off Valve (12) closed.
2 Solution
Filter
(11) clogged.
3
Solution pump bad.
SCRUB DECK RAISES WHILE SCRUBBING (CYLINDRICAL)
1
Debris caught between brushes and brush housing.
2
Bad brush Motor bearing.
NO DETERGENT FLOW (EDS)
1
Empty detergent cartridge.
2
Plugged or kinked detergent fl ow line.
3
Detergent pump wiring disconnected or wired incorrectly.
4
Dry seal cap on detergent cartridge not sealed.