24
English
Faults with display
Display
Cause
Remedy
Seat switch broken seat switch open
Seat contact switch has not been
activated.
The machine operates only if the operator is seated on the
seat.
Release accelera-
tor!
release throttle?
The gas pedal is depressed
when the main switch is on.
Take your foot off the accelerator before switching on the
main switch. If the fault recurs, call customer service.
battery empty ->
charge!
battery empty ->
charge!
The discharge level of the battery
has been reached. Cleaning
units can no longer be operated.
Drives and lighting can be acti-
vated.
Drive the machine to the charging station and charge the
battery.
battery totally dis-
charged!
battery totally dis-
charged!
More than the permissible bat-
tery capacity has been utilised.
All units will be switched off. Ma-
chine is no longer ready for oper-
ations.
Manually unlock the front wheel brake. (Caution! The ap-
pliance does not have any braking effect now!) If unlocking
is not possible, then call customer service. Move the ma-
chine slowly to the charging station. Charge battery.
Dirt reservoir full,
cleaning stopped
sewage tank full
cleaning stops
Dirt water reservoir is full.
Empty the dirt water reservoir.
Operating hours set
to 0!
operating hours set
to 0!
Internal machine error while sav-
ing the number of operating
hours. During restart, the operat-
ing hours are always reset to 0.
None, for information.
Module tempera-
ture high! Let cool
down!
moduletemp. high
let cool down!
Controls are too hot.
Set main switch to “0”. Wait at least 10 minutes. Set main
switch to “1”.
Drive motor hot! Let
it cool down!
drive motor hot! let
it cool down!
Drive motor has got overheated
due to a steep climb or locked
brake.
Set main switch to “0”. Wait at least 10 minutes. Set main
switch to “1”. If possible, use the unit only on level surfac-
es. If required, check the functioning of the immobilising
brake and driving pedal.
Contactor open!!
contactor open!!
Defective controls.
Set main switch to “0”. Wait at least 10 minutes. Set main
switch to “1”.
Shut down, missing
bus supply
Shutdown, missing
bus supply
Inform Customer Service
Faults without display on the console
Fault
Remedy
Appliance cannot be started
Insert battery plug.
Set main switch to “1”.
Check fuse F1, replace if required. *
Check battery; charge it if required.
Insufficient water quantity
Check fresh water level, refill tank if necessary.
Check hoses for blockages; clean if required.
Clean the fresh water filter.
Insufficient vacuum perform-
ance
Clean the seals between dirt water reservoir and cover and check for tightness, replace if required.
Clean the flat-fold filters at the suction support of the suction turbine.
Clean the vacuum lips on the vacuum bar, replace if required
Check suction hose for blockages; clean if required.
Check the suction hose for tightness; replace if required.
Check if the cover on the dirt water discharge hose is closed
Check the setting of the vacuum bar.
Insufficient cleaning result
Set/ adjust contact pressure.
Check the brushes for wear, replace if required.
Brushes do not turn
Reduce contact pressure.
Check if foreign matters block the brushes; remove foreign matter if required.
Optional overall lamp and/or
working lamp is not functioning
Check fuse F4, replace if required. *
* The fuses are located in the flat insertion sockets on the wiring plate and can be accessed by opening the front panel.
