13
TROUBLE SHOOTING
WARNING
• ALL TRIMMER SERVICE OPERATIONS, OTHER
THAN ITEMS LISTED IN THE OPERATOR’S
MANUAL, SHOULD BE PERFORMED BY
COMPETENT SERVICE PERSONNEL.
• FUEL VAPORS ARE EXTREMELY FLAMMABLE
AND MAY CAUSE FIRE AND/OR EXPLOSION.
NEVER TEST FOR IGNITION SPARK BY
GROUNDING SPARK PLUG NEAR CYLINDER
PLUG HOLE, OTHERWISE SERIOUS
PERSONAL INJURY MAY RESULT.
Engine
Engine
cranks
Engine
does not
crank
Engine
runs
Trouble
- hard to start
- does not start
Fuel at
carburettor
Fuel at cylinder
Spark at end of
plug wire
Spark at plug
Dies or
accelerates
poorly
No fuel at
carburettor
No fuel at
cylinder
Silencer wet with
fuel
No spark at end
of plug wire
No spark at plug
Cause
•
Fuel filter clogged
•
Fuel line clogged
•
Carburettor
•
Carburettor
•
Fuel mixture is too rich
•
Ignition switch off
•
Electrical problem
•
Spark gap incorrect
•
Covered with carbon
•
Fouled with fuel
•
Spark plug defective
•
Internal engine problem
•
Air filter dirty
•
Fuel filter dirty
•
Fuel vent plugged
•
Spark plug
•
Carburettor
•
Cooling system plugged
•
Exhaust port/silencer
plugged
Remedy
•
Clean or replace
•
Clean
•
Ask your ECHO dealer
•
Ask your ECHO dealer
•
Open choke
•
Clean/replace air filter
•
Adjust carburettor
•
Ask your ECHO dealer
•
Turn switch on
•
Ask your ECHO dealer
•
Adjust 0.6 to 0.7 mm
•
Clean or replace
•
Clean or replace
•
Replace plug
•
Ask your ECHO dealer
•
Clean or replace
•
Clean or replace
•
Clean
•
Clean and adjust/replace
•
Adjust
•
Clean
•
Clean
NOTE
“ES” START
(See page 2)
When starter handle cannot be pulled lightly, the
trouble is diagnosed as failure of engine inside.
Please consult your dealer.
If disassembled inadvertently, it can cause injury.
