General Machine Troubleshooting - Nilfisk Advance Hydro-Retriever 2800 Mode D'emploi

GENERAL MACHINE TROUBLESHOOTING

Problem
Poor water pick-up
Poor scrubbing performance
Inadequate solution flow
or no solution
Machine does not run
No FWD/REV wheel drive
Vacuum shuts off and display shows
"FULL" when recovery tank is not full
Poor Sweeping Performance
(Cylindrical System)
52 - FORM NO. 56041451 - Hydro-Retriever
Possible Cause
Worn or torn squeegee blades
Squeegee out of adjustment
Recovery tank full
Recovery tank drain hose leak
Recovery tank cover gasket leak
Debris caught in squeegee
Vacuum hose clogged
Using too much solution
Foam filter cover not seated
Worn brush or pad
Wrong brush or pad type
Wrong cleaning chemical
Moving machine too fast
Not using enough solution
Solution tank empty
Solution lines, valves, filter or trough clogged
Solution control valves not open
Solution solenoid valve
Emergency stop switch tripped
Operator seat safety switch
Main system controller
Tripped 10 Amp circuit breaker
Drive system speed contoller
Tripped 45 Amp circuit breaker
Emergency stop switch tripped
Plugged squeegee hose
Vacuuming large amounts of water
at a high travel speed
Hopper Full
Brushes worn
Bristles have taken a set
™ 2800 / BR 700
Remedy
Reverse or replace
Adjust so blades touch floor evenly
across entire width
Empty recovery tank
Secure drain hose cap or replace
Replace gasket / Seat cover properly
Clean squeegee tool
Remove debris
Adjust solution control valves
Seat cover properly
Rotate or replace brushes
Consult Nilfisk-Advance
Consult Nilfisk-Advance
Slow down
Adjust solution control valves
Fill solution tank
Flush lines, trough and clean solution filter
Adjust solution control valves
Clean or replace valve
Reconnect battery connectors
Check for open circuit and replace
Check error fault codes
(see service manual)
Check for electrical short circuit & reset
Check error fault codes
(see service manual)
Check for drive motor overload
Reconnect battery connectors
Clear debris
Slow down or disable auto shut-off feature
(see service manual)
Empty and clean hopper
Replace brushes
Rotate brushes