EN
9
TROUBLE SHOOTING
Problem
Probable cause
Action
The engine will not
start.
The fuel tank is empty.
Fill the fuel tank.
The air filter is dirty.
Clean the air filter.
The spark plug is loose.
Tighten the spark plug to 25–30 Nm.
Spark plug lead is loose or is not fitted
on the spark plug.
Put the spark plug lead on the spark
plug.
Incorrect electrode distance.
Adjust the electrode gap to 0.7-0.8 mm.
Fault on the spark plug.
Change to a new spark plug with the
create electrode gap.
The carburettor has flooded.
Dismantle the air filter and pull the start-
er cord repeatedly until the carburettor is
dry. Replace the air filter.
Ignition error.
Contact an authorised service centre.
Empty the fuel tank, water in the fuel or
contaminated or old fuel.
Empty the fuel tank and fill it with fresh
petrol of the right type.
The engine lacks power
or is difficult to start.
Vent hole in filler cap clogged.
Clean or replace the filler cap.
The air filter is dirty.
Clean the air filter.
Fault on the spark plug.
Change to a new spark plug with the
create electrode gap.
The engine does not run
smoothly.
Incorrect electrode distance.
Adjust the electrode gap to 0.7-0.8 mm.
The air filter is dirty.
Clean the air filter.
The air filter is dirty.
Clean the air filter.
Irregular idling speed.
Vents in the engine cover are clogged.
Clean the vents.
Cooling fins or air ducts are blocked.
Clean the cooling fins and air ducts.
Insufficient electrode gap.
Adjust the electrode gap to 0.7-0.8 mm.
The engine misfires at
high speed.
Inadequate cooling air.
Clean the vents, cooling fins and air
ducts.
Engine overheats.
Defective spark plug.
Change the spark plug to the correct
type.
The cutting unit is loose.
Tighten.
The machine vibrates
abnormally.
The cutting unit is unbalanced.
Balance the blades.
