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PROBLEMS, CAUSES AND SOLUTIONS
PROBLEM
CAUSES
SOLUTIONS
The engine does not start
The on/off switch is in the STOP
“O” position
Push the on/off switch to the “START” ”I” position
The air control lever has not been
operated
Move the lever to the closed position
Lack of fuel in the tank
Refill with fuel
Old, dirty fuel or fuel contains water Empty the tank and refill with new fuel
The fuel circuit has not been primed Prime the engine by activating the appropriate pump (see start-
up procedure)
Fuel cock is closed (if applicable)
Open the cock
The fuel lines are clogged or bent
Clean the fuel lines and check that they are not bent
Tank is dirty or contains water
Completely empty the tank and refill with new fuel
Dirty, worn or broken spark plug
Clean the spark plug and check the distance between the elec-
trodes, replace if necessary
Spark plug cap disconnected
Put the spark plug cap back on
Mechanical or electrical failure
Contact an authorised service centre
The engine starts but stops
immediately The engine
stops during trimming
The fuel tank cap has a clogged
bleed hole
Clean the fuel tank cap and check the bleed hole
No fuel
Refuel
Fuel is not the right type for the
engine For 2-stroke engine: a pet-
rol-oil mixture was not used, causing
serious damage to the engine
Contact an authorised service centre Warning: damage due to
this type of negligence is not covered by the warranty
Fuel cock is closed (if applicable)
Open the cock
Fuel filter is clogged
Remove the filter and clean it
Air filter is dirty
Remove the filter and clean it
Dirty carburettor
Contact an authorised service centre
Defective spark plug
Replace spark plug
Trim progress is excessive
Go slower so that the machine is not overloaded
The grass prevents the cutting
element from rotating
Clean thoroughly
The machine has trouble
trimming
The lines on the spool are too short For the semi-automatic spool, tap the spool on the ground, while the
machine is on, in order to increase the length of the trimmer lines
Blade has no cutting edge
Sharpen the edges
Blade installed backwards
Remove the blade and reinstall it in the correct sense
The cutting element rotates
with the engine idling
Carburation should be adjusted
Contact an authorised service centre
!
!
WARNING! If the machine still fails to operate correctly after you have carried out the
above operations, or in the event of anomalies other than those described above, take it to an
authorised service centre showing proof of purchase, and ask for original spare parts. Always
refer to the information shown on the technical specifications label.
