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18 Troubleshooting
18.1 Troubleshooting Trimmer
18 Troubleshooting
Most malfunctions have the same causes.
► Perform the following operations:
► Replace 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 Cause Remedy
Engine does not start. Insufficient fuel in the tank. ► Prepare fuel mix and refuel the trimmer.
Engine is flooded. ► Clear the combustion chamber.
Carburetor is too hot. ► Allow trimmer to cool down.
► Before starting the engine: Depress the manual fuel pump bulb at
least ten times.
Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Engine idles erratically. Carburetor is iced up. ► Allow trimmer to warm up to +10°C.
Engine stops while idling Carburetor is iced up. ► Allow trimmer to warm up to +10°C.