Clean spark plug, replace
with a new one if necessary,
check ignition cable, check
ignition system (customer
service by a specialized
after-sales center).
Too much fuel in engine
combustion chamber due
to repeated starting
attempts.
Unscrew spark plug and dry
off.
Grass catcher does not
fill up.
Cutting height is set too low.
Correct the cutting height.
Grass is wet - it is too heavy
to be transported by air
stream.
Mow at a later time when
lawn has dried out.
Blades severely worn down.
Change blade (customer
service by a specialized
after-sales center).
Mow grass twice
1st pass: max cutting height
2nd pass: desired cutting
height
Fabric bag blocked - no air
flow.
Discharge channel / mower
deck contaminated.
Clean discharged channel /
mower deck.