Troubleshooting - Scheppach LBH3500P Translation Of Original Instruction Manual

15. Troubleshooting

Fault Possible cause
Air filter dirty.
Fuel filter blocked.
Missing fuel supply.
Fault in the fuel line.
Starter unit is defective.
The device does not
start up
Engine flooded.
Spark plug connector not plugged in.
No ignition spark.
Engine defective.
Carburettor defective.
Blast/suction pipe not fully fitted.
The device runs
Incorrect carburettor setting (idle speed).
and dies
Carburettor is incorrectly adjusted.
Device works with
interruptions (stut- Spark plug is sooty.
ters).
On/off switch defective
Incorrect fuel mixture.
Smoke is produced
Carburettor is incorrectly adjusted.
Air filter is contaminated.
Carburettor is incorrectly adjusted.
Device does not Collection bag is full.
work at full power
Collection bag is contaminated.
Device clogged or blocked by foreign
objects.
36 | GB
Remedy
Clean/replace the air filter.
Clean or replace the fuel filter.
Refuelling.
Check the fuel line for kinks or damage.
Contact the service point.
Check the spark plug connector is seated properly.
Remove spark plug, clean and dry; then pull the
starter cable several times;
Refit spark plug
Clean or replace spark plug / check ignition cable for
damage.
Contact the service point.
Contact the service point.
Contact the service point.
Fit the 2-part blast/suction pipe.
Contact the service point.
Contact the service point.
Clean or replace the spark plug.
Contact the service point.
Use two-stroke mixture with the mixing ratio of 40:1.
Contact the service point.
Clean or replace the air filter.
Contact the service point.
Empty collection bag.
Clean collection bag.
Remove blockages and obstructions (see chapter
Cleaning and maintenance).
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