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Housing of the mower is
jammed.
See Maintenance.
No oil pressure:
Not enough engine oil.
Check engine oil level, refill.
No oil pressure:
Slope is too steep.
Bring the device to a level position.
Poor quality, dirty, or old fuel.
Clean fuel system (authorised service
centre).
Always use fresh fuel.
Engine starts badly
or runs irregularly
Choke is closed.
Open the choke.
Air filter is dirty.
Maintain air filter (see Maintenance).
Poor quality, dirty, or old fuel.
Always use fresh fuel.
Spark plug is dirty, damaged,
or incorrect electrode gap.
Clean spark plug and check electrode
gap (see Maintenance). Replace spark
plug if necessary.
Device does not
move
The drive is unlocked.
Lock the drive.
Hydrostatic drive is over-
heated.
Cool down (see Maintenance).
Blade cannot be en-
gaged
Lever for cutting height adjust-
ment in transport position.
Lower lever for cutting height adjust-
ment to the desired cutting height.
The blade does not
rotate
V-belt is insufficiently ten-
sioned or damaged.
Authorised service centre.
Bowden cable is defective.
Authorised service centre.
Strong vibrations
during operation
Unbalance at the blade caused
by incorrect sharpening or
chips on the blade.
Have blade resharpened and balanced
by an authorised service centre. Re-
place a damaged blade immediately.
Blade drive shaft is bent due to
collisions with foreign objects.
Authorised service centre.
Engine fastening is loose.
Authorised service centre.
Blade fastening is loose.
Authorised service centre.
Irregular noises
Loose fastening elements.
Authorised service centre.
Muffler is defective.
Authorised service centre.
Hydrostatic drive is over-
heated.
Cool down (see Maintenance).
Engine is smoking
Air filter is dirty or drenched
with oil.
Maintain or replace air filter (see Main-
tenance).
Oil level is too high.
Have authorised service centre lower
the oil level up to the marking.
