Trouble Shooting - Makita EA3203S Instruction Manual

Trouble shooting

Malfunction
Chain does not run
Engine does not
start or only with
difficulty
Warm start
difficulties
Engine starts, but
dies immediately
Insufficient power
No chain lubrication
System Observation
Chain brake Engine runs
Ignition system Ignition spark
No ignition spark
Fuel supply Fuel tank is filled
Compression Inside
system
Outside
Mechanical Starter does not engage
malfunction
Carburetor Fuel tank is filled
Ignition spark
Fuel supply Fuel tank is filled
Several systems Engine is idling
may be involved
simultaneously
Oil tank/pump No oil on the chain
Cause
Chain brake actuated.
Malfunction in fuel supply system, compression
system, mechanical malfunction.
STOP switch in position, fault or short‑circuit
in the wiring, Spark plug cap or spark plug
defective
Combination switch in Choke position, carburetor
defective, suction head dirty, fuel line bent or
interrupted.
Cylinder base packing ring defective, radial
shaft packings defective, cylinder or piston rings
defective
Spark plug does not seal.
Spring in starter broken, broken parts inside the
engine.
Wrong carburetor adjustment.
Wrong idling adjustment, suction head or
carburetor dirty.
Tank venting defective, fuel line interrupted,
cable defective, Combination switch defective
Air filter dirty, wrong carburetor adjustment,
muffler clogged, exhaust channel in cylinder
clogged, spark arrester screen clogged.
Oil tank empty.
Oil guide groove dirty.
Oil‑pump adjusting screw incorrectly adjusted.
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