14. Troubleshooting
Troubleshooting guide
Problem
Unit wonʼt start or starts but will
not run.
Unit starts, but engine has low
power.
Engine hesitates.
No power under load.
Runs erratically.
Smokes excessively.
Poor performance when
operated
Engine dies
Insufficient chain lubrication
(the cutter rail and chain get hot)
Admitted saw chain and chain bar
Saw chain
Oregon 91P057X
Guide bar
Oregon 160SDEA041
GB:
Service information
Please note that the following parts of this product are subject to normal or natural wear and that the following parts are there-
fore also required for use as consumables.
Wear parts*: Chain chain, guide rail, chain oil, engine oil, nail clasp, chain catcher, spark plug, air filter, fuel filter, chain oil filter
* Not necessarily included in the scope of delivery!
www.scheppach.com service@scheppach.com +(49)-08223-4002-99 +(49)-08223-4002-58
www.scheppach.com service@scheppach.com +(49)-08223-4002-99 +(49)-08223-4002-58
Probable cause
Incorrect starting procedures.
Incorrect carburetor mixture adjustment
setting.
Fouled spark plug.
Fuel filter plugged.
Incorrect lever position on choke.
Dirty air filter.
Incorrect carburetor mixture adjustment
setting.
Incorrect carburetor mixture adjustment
setting.
Incorrectly gapped spark plug.
Incorrect carburetor mixture adjustment
setting.
Incorrect fuel mixture.
Blunt chain
Loose chain
Empty petrol tank
Fuel filter in the wrong position in the
tank
Empty oil tank for the chain
Oil lubrication openings moved
combination
Corrective Action
Follow instructions in the User Manual.
Have carburetor adjusted by an Authorized
Service Center.
Clean / gap or replace plug.
Replace fuel filter.
Move to RUN position.
Remove, clean and reinstall filter.
Have carburetor adjusted by an Authorized
Service Center.
Have carburetor adjusted by an Authorized
Service Center.
Clean / gap or replace plug.
Have carburetor adjusted by an Authorized
Service Center.
Use properly mixed fuel (40:1 mixture).
Sharpen or replace the chain
Tension the chain
Fill up the petrol tank
Completely fill the petrol tank or or re-position
the fuel filter in the petrol tank
Top up the oil tank for the chain
Clean the oil lubrication hole in the cutter bar
Clean the groove in the cutter bar
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