Troubleshooting - Echo HCA-2400 Operator's Manual

32
T
ROUBLESHOOTING
Problem
Engine -- starts hard
Engine -- does not start
Engine
Cranks
Engine
does not
crank
Engine Dies or accelerates poorly
runs
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open
spark plug opening, otherwise serious personal injury may result.
Fuel at No fuel at
carburetor carburetor
Fuel at No fuel at
cylinder cylinder
Muffler wet
with fuel
Spark at end No spark
of plug wire at end of
plug wire
Spark at plug No spark
at plug
WARNING
Cause
Fuel strainer clogged
Fuel line clogged
Carburetor
Carburetor
Fuel Mixture is too rich
Stop switch off
Electrical problem
Interlock switch
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
Carburetor
Cooling system plugged
Spark arrestor screen
plugged
DANGER
Remedy
Clean
Clean
See your ECHO dealer
See your ECHO dealer
Open choke
Clean/replace air filter
Adjust carburetor
See your ECHO dealer
Turn switch on
See your ECHO dealer
See your ECHO dealer
Adjust 0.65mm (0.026in.)
Clean or replace
Clean or replace
Replace plug
See your ECHO dealer
Clean or replace
Replace
Replace
Clean and adjust/replace
Adjust
Clean
Clean