19
FAULT
POSSIBLE CAUSE
SOLUTION
Engine does not start
Not enough petrol in the fuel
tank
Add petrol
Primer has not been pressed
at cold start
Press the primer bulb then
restart
Primer has been pressed at
warm start
Dry spark plug
Spark plug is wet
Dry spark plug
Spark plug is damaged
Replace spark plug
Spark plug connector loose
Attach properly
Ignition switch is not switched
on
Set ignition switch to ‘I’
Choke button position is
wrong
Set the choke lever position
correctly.
Engine stops
Not enough petrol in the fuel
tank
Add petrol to the fuel tank
Cutting device is blocked
Remove blockage
Cold machine does not
warmup
Let the engine warm up at idle
for a while
Not enough oil or wrong oil
Add the 4 stroke oil to the full
level of the oil tank
Unsatisfactory cutting
performance
Cutting blade is dull/damaged
Have a specialist sharpen or
replace
Cutting material exceeds
capacity
Only cut materials according
to the capacity of the product
Excessive vibration/noise or
exhaust
Cutting device is dull/damaged
Replace with new one
Bolts/nuts are loose
Tighten
Petrol/oil is incorrect
Empty unused fuel and oil and
refill with fresh fuel and oil
9. TROUBLESHOOTING
