A-18 / ENGLISH
A-18
- FORM NO. 56091013 - ES4000
GENERAL MACHINE TROUBLESHOOTING
Problem
Possible Cause
Remedy
Poor water pick-up
Recovery tank full
Empty recovery tank
Recovery tank drain hose leak
Secure drain hose cap or replace
Recovery tank cover gasket leak
Replace gasket / Seat cover properly
Debris caught in vacuum shoes
Clean vacuum shoes
Vacuum hose clogged
Remove debris
Foam
fi
lter cover not seated
Seat cover properly
Poor extracting performance
Worn brushes
Rotate or replace brushes
Wrong cleaning chemical
Consult Advance
Moving machine too fast
Slow down
Inadequate solution
fl
ow or no
solution
Solution tank empty
Fill solution tank
Solution lines, valves,
fi
lter, or spray jets
clogged
Flush lines and clean solution
fi
lter & spray jets
Solution control valve is in closed position
Place control valve handle in open position
Solution solenoid valves
Clean or replace valves
Machine does not run
Emergency stop switch tripped
Reconnect battery connectors
Operator seat safety switch
Check for open circuit and replace
Main system controller
Check for error fault codes
(see service manual)
Tripped 10 Amp circuit breaker
Check for electrical short circuit & reset
No FWD/REV wheel drive
Drive system speed controller
Check for error fault codes
(see service manual)
Tripped 70 Amp
circuit breaker
Check for drive motor overload
Emergency stop switch tripped
Reconnect battery connectors
Vacuum shuts off and display
shows Recovery Tank FULL
Indicator (E12) when recovery
tank is not full
Plugged vacuum hose(s)
Clear debris
Vacuuming large amounts of water at a high
travel speed
Slow down or disable auto shut-off feature
(see service manual)
Poor Sweeping Performance
Debris Hopper Full
Empty and clean hopper
Brushes worn
Replace brushes
Bristles have taken a set
Rotate brushes
No Detergent Flow
Empty detergent cartridge
Fill detergent cartridge
Plugged or kinked detergent
fl
ow line
Purge system, straighten lines to remove any
kinks
Dry seal cap on detergent cartridge not sealed Reseat dry seal cap
Detergent pump wiring disconnected or
backwards
Connect or reconnect wiring