33
Malfunctions
Malfunction
Possible causes
Troubleshooting
page
Machine does not run
Main switch switched
off
t
or main switch (key)
6
Activated emergency
stop button (option:
co1400/1600/1800)
t
Release the emergency stop button
by turning it in direction the arrows
show. Afterwards turn the main
switch on and
off
6
Battery – machine is
disconnected
t
Connect the battery plug with the
machine
8
Batteries discharged
t
Charging batteries
30
Fuses F1 or F2 defective
t
Replace fuses
28
Main switch on: The
battery control lamp
starts to flash (After 10
min. the machine
switches off
automatically!)
t
Recharge the battery
30
Machine dos not move Immobiliser is activated
t
Bring speed control to neutral
position
5
Batteries not or not
sufficiently charged
Charger or connecting
cable defective
t
Call for technical service
On the last page of these instructions of
use
Mains supply was
switched off overnight
t
Ensure power supply at night
Batteries defective
t
Call for technical service
On the last page of these instructions of
use
Wrong charger type for
batteries
t
Clarify and, if necessary, replace
Brush does not turn
Fuses F3 defective
t
Replace fuses
28
Motor runs but not tool
t
Drive belt torn
t
Call for technical service
On the last page of these instructions of
use
Poor vacuum
performance
Floor remains wet
Soiled solution not
picked up
Hose or nozzle blocked
(e.g. by pieces of wood,
fabric)
t
Remove the blockage
