Troubleshooting; Possible Cause - Scheppach P-MGB5-1 Anleitung

13. Troubleshooting

The table below contains a list of fault symptoms and explains what you can do to remedy the
problem if your equipment fails to work properly. If the problem still persists after working through
the list, please contact your nearest service workshop.
Fault

Possible cause

• Air filter is contaminated.
• Fuel filter is blocked.
• Lack of fuel supply.
• Fault in the fuel line.
• Starting device is faulty.
• Engine stalled.
Machine does not
start.
• Spark plug cap not attached.
• No spark.
• Engine faulty.
• Carburetor faulty
Machine starts but • Wrong carburetor setting (idle
stops again. speed).
• Cutting tool blocked.
Engine starts but
• Internal fault (drive shaft, gear-
the cutting tool
box).
stops.
• Clutch faulty.
Machine works • Carburetor set up incorrectly.
with interruptions • Spark plug is sooty.
(sputtering). • On/off switch faulty.
Smoke is gener- • Wrong fuel mix.
ated. • Carburetor set up incorrectly.
• Machine is overloaded.
• Air filter is contaminated.
Machine does not
• Carburetor set up incorrectly.
work at full power.
• Silencer is blocked.
Brush cutter does • Blades are blunt or damaged.
not work at full • Cut material is too high (machine
power. overload).
Grass trimmer • Cutting line too short or damaged.
does not work at • Machine is overloaded because
full power. the grass is too high.
Cutting line cannot • Spool empty.
be fed through.
 www.scheppach.com /  service@scheppach.com /  +(49)-08223-4002-99 /  +(49)-08223-4002-58
Remedy
• Clean/replace the air filter.
• Clean or renew the fuel filter.
• Re-fuel.
• Check the fuel line for kinks or damage.
• Contact the service centre.
• Remove the spark plug, clean and dry it;
then pull the starter rope several times;
re-fix the spark plug.
• Check the correct position of the spark
plug cap.
• Clean the spark plug or replace it, if
applicable.
• Check the ignition cable for damage.
• Contact the service centre.
• Contact the service centre.
• Contact the service centre.
• Turn off engine and remove object.
• Contact the service centre.
• Contact the service centre.
• Contact the service centre.
• Clean the spark plug or replace it.
• Contact the service centre.
• Use two-stroke mixture at a ratio of 40:1.
• Contact the service centre.
• Do not use force during mowing/trim-
ming.
• Clean the air filter or replace it.
• Contact the service centre.
• Check the exhaust.
• Sharpen or replace blades.
• Cut the grass in phases.
• Feed more cutting line through or re-
place it.
• Cut the grass in phases.
• Replace spool.
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