Troubleshooting; Troubleshooting Trimmer - Stihl FR 230 Instruction Manual

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19 Troubleshooting

Most malfunctions have the same causes.

► Perform the following operations:

► Clean the air filter.

► Clean or replace the spark plug.

► Carry out the standard setting.

► Adjust idle speed.

► Adjust carburetor for operation at high altitude.

► If the malfunction still exists: Take the action described in the following table.

Condition

Engine does not start.

Engine idles erratically.

Engine stops while idling

Cutting attachment does

not rotate properly or

rotates erratically.

0458-735-0121-A

Cause

Insufficient fuel in the tank. ► Prepare fuel mix and refuel the trimmer.

Engine is flooded.

Carburetor is too hot.

Carburetor is iced up.

Connection between

flexible shaft and

powerhead or drive tube is

worn.

Remedy

► Clear the combustion chamber.

► Allow trimmer to cool down.

► Before starting the engine: Depress the manual fuel pump bulb at

least ten times.

► Allow trimmer to warm up to +10°C.

► Contact your STIHL servicing dealer for assistance.

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