20
Possible faults
Before each fault clearance
switch off device
Wait until the cutting blade has come to a stop
Pull off the safety key and remove the batteries
After each fault clearance, put into operation and recheck all security installations.
Fault Possible
cause
Remedy
Machine does not start after
switching on
Safety key not inserted
Insert the safety key between the batteries
Wrong starting sequence
See chapter on “Startup”
Lithium ion battery run down
Charge the lithium ion battery
Lithium-ion battery not engaged correctly
Insert the lithium-ion battery correctly
Lithium ion battery too hot / cold
Allow lithium ion battery to cool / warm up
Grass clogs the mower housing
Pull off the safety key and clean the housing
Lithium ion battery defective
Safety button or switch handle defective
Internal fault
Please contact the after sales service.
Machine does not work with
full performance
Lithium ion battery run down
Charge the lithium ion battery
Lithium ion battery defective
Please contact the after sales service.
The device operates with
interruptions
Internal fault.
Safety button or switch handle defective
Please contact the after sales service.
Device overloaded as grass too high
Adjust a larger cutting height
Unusual vibrations or noises
Cutting blade damaged or dull
See “Blade replacement”
Loose screws, nuts or other fasteners
Tighten all parts; contact customer service if
the noises continue to occur.
Unsatisfactory mowing
results
Cutting height set too low
Adjust a larger cutting height
Dull blades
See “Changing blades”
Discharge opening blocked
Empty the grass catching bag and remove the
blockage
Collecting bag is full
Empty the collecting bag
Cutting time with fully
charged battery too short
Rechargeable battery is low
Charging the rechargeable battery
Battery service life exhausted
Replace the rechargeable battery
Grass too high, dense or cutting height set
too low
Adjust a larger cutting height, walk more slowly
and / or mow more often
Unit shuts off by itself
Lithium ion battery too hot (45° C)
Battery charge too low
Allow lithium ion battery to cool
Charge the lithium ion battery
Motor is running, blades
stopped
Internal fault.
Please contact the after sales service.
In case of further faults or inquiries please contact your local dealer.
