17 TROUBLESHOOTING
Fault
Possible cause
Safety key not inserted.
Motor does not start
Battery not charged.
Battery does not work or
cannot be charged.
Cutting height set too low
(grass that is too high
prevents the motor
starting).
Too much grass waste in
the housing or ejector
channel.
Cutting height too low.
Motor switches off
during mowing
Battery is empty
Excessive grass waste in
the housing or ejection
channel.
Cutting bar blunt.
Motor power
decreasing
Low battery capacity
Excessive grass waste in
the housing or ejection
channel.
Extreme vibration
Blade blunt.
Unclean cut, lawn is
yellow
Cutting height too low.
Mowing too fast.
Insufficient overlapping
of cuts when mowing.
Lawn becomes matted.
Turbo signal has not
Ejection blocked
been detected
J + K .
Cutting height too low for
grass that is too high.
Pushing mower too fast.
Grass not dry.
In case of faults and defects which have not been listed here, please contact the
nearest authorized dealer.
Repairs which require specialized knowledge should only be performed by a qualified
expert. Your authorized dealer will naturally also be glad to help if you do not wish to
perform the maintenance work described here yourself.
18 ACOUSTIC FAULT DISPLAY
Remedy
Frequency of the signal
Insert safety key G2 .
tone
Charge battery W1 .
Replace battery.
Set higher cutting height I .
Tilt the machine during start-
up
Clean grass from cutting
area/ejector channel, keep
gap between fan and housing
clean (remove safety key
before hand K2 !).
Have it checked by an
authorised workshop.
Set higher cutting height I .
Charge battery W1 .
Clear the cutting
chamber/ejection channel of
grass, keep the gap between
fan and housing clean (remove
the safety key first K2 ).
Have it sharpened and
balanced by an authorised
workshop Q .
Charge battery W1 .
Clear the cutting
chamber/ejection channel of
grass, keep the gap between
fan and housing clean (remove
the safety key first K2 ).
Have it checked by an
authorized dealer
Have it sharpened and
balanced by an authorized
dealer Q .
Adjust to higher cutting height
I .
Adjust mowing speed.
19 TECHNICAL DATA
Tall grass conditions may
dictate that more overlapping
Motor
of cuts is required.
A lawn scarifier can remedy
the problem considerably
Empty the grass collector L .
Adjust to higher cutting height
Charger
I .
Adjust mowing speed.
See separate instructions for the charger.
Let grass dry.
Battery
See separate instructions for the charger.
Mower
9
Meaning
Motor does not reach the
1 x
necessary speed.
Fault with control circuit
2 x
board when starting.
Communication between
3 x
battery and control circuit
board interrupted.
Motor overload
4 x
Battery capacity low.
5 x
Motor, control circuit
6 x
board or battery
overheated.
Motor overload
7 x
Control element for
8 x
starting the motor
activated in the wrong
order.
Software error.
9 x
Engine
Motor speed
Standard setting
Automatic speed increase
under difficult mowing conditions
Housing
Cutting width
Cutting heights
Handlebar height adjustable
Sack volume
Correcting the fault
Restart motor.
Check the battery is
charged., charge if
necessary.
Have it checked by an
authorised workshop.
Restart motor.
Have it checked by an
authorised workshop.
Check whether the battery is
fitted correctly in the battery
compartment, correct if
necessary and restart motor.
Have it checked by an
authorised workshop.
Clean grass from cutting
area/ejector channel, remove
blockages (remove safety
key before hand K2 !).
Charge battery.
Allow the mower to cool.
Clean grass from cutting
area/ejector channel, remove
blockages (remove safety
key before hand K2 !).
Note the correct operating
sequence for starting the
cutter motor (see chapter
"Start the motor").
Restart motor.
Have it checked by an
authorised workshop.
40 V DC motor
2800 rpm
3000 rpm
Aluminium pressure die-casting with steel
insert
430 mm
Central cutting height setting
25, 30, 40, 45, 55, 60, 70, 80 mm
3 heights
45 litres