Troubleshooting - Echo SRM-2305U Operator's Manual

Trouble
Engine - hard to start
- does not start
Engine Fuel at carburettor
cranks
Fuel at cylinder
Spark at end of
plug wire
Spark at plug
Engine
does not
crank
Engine runs Dies or accelerates poorly
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.

Troubleshooting

Not fuel at carburettor
No fuel at cylinder
Silencer wet with fuel
No spark at end of plug
wire
No spark at plug
WARNING
21
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