13
Troubleshooting
Trouble
Cause
Remedy
Engine
- hard to start
- does not start
Engine
cranks
Fuel at carburettor
No 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
Electrical problem
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
Unstable mist discharge
Pump valve clogged or
dameged
Cup packing on pump piston is
worn out
Clean or replace
Replace
No mist discharge / poor mist discharge
Nozzle liquid valve closed
(or partially closed)
Nozzle liquid valve clogged
Nozzle clogged
Chemical liquid line defective
(pipe, packing etc.)
Spraying hose pipe cracked
V-packing worn out
(low pressure)
V-packing is not firmly
tightenned
Regulator valve defective
Open
Clean
Clean
Replace
Replace
Replace
Tighten grand nut
Clean or replace
No spray
Chemical line is completely
clogged with dirt
Chemical tank is empty
Pump is damaged
Clean
Refill
Ask your ECHO dealer
WARNING
Servicing of this machine, 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.