28
Troubleshooting
Trouble
Cause
Remedy
Engine
-
hard to start
-
does not start
Engine
cranks
Fuel at carburettor
Not fuel at carburettor
Fuel filter clogged
Fuel line clogged
Carburettor
Clean or replace
Clean
Ask your ECHO dealer
Fuel at cylinder
No fuel at cylinder
Carburettor
Ask your ECHO dealer
Silencer wet with fuel
Fuel mixture is too rich
Open choke
Clean / replace air filter
Adjust carburettor
Ask your ECHO dealer
Spark at end of
plug wire
No spark at end of plug
wire
Ignition switch off
Electrical problem
Turn switch on
Ask your ECHO dealer
Spark at plug
No spark at plug
Spark gap incorrect
Covered with carbon
Fouled with fuel
Spark plug defective
Adjust 0.6 to 0.7 mm
Clean or replace
Clean or replace
Replace plug
Engine
does not
crank
Internal engine problem
Ask your ECHO dealer
Engine runs
Dies or accelerates poorly
Air filter dirty
Fuel filter dirty
Fuel vent plugged
Spark plug
Carburettor
Cooling system plugged
Exhaust port / silencer plugged
Clean or replace
Clean or replace
Clean
Clean and adjust / replace
Adjust
Clean
Clean
Rotating saw chain at idling speed
Carburettor
Clutch damaged or binded
Ask your ECHO dealer
Ask your ECHO dealer
WARNING
All chain saw 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.
NOTE
"ES" START
(See page 2)
When starter grip cannot be pulled lightly, the trouble is diagnosed as failure of engine inside.
Please consult your dealer.
If disassembled inadvertently, it can cause injury.