25
GB
Fault
Possible cause
Troubleshooting
The machine does not start.
Correct starting procedure not
followed.
Follow the instructions for starting.
Sooted or damp spark plug
Clean the spark plug or replace it
with a new one.
Incorrect carburetor setting
Contact an authorized customer
service outlet or send the machine
to ISC-GmbH.
The machine starts but does not
develop its full output.
Incorrect choke lever setting
Set choke lever to “
”
Soiled air filter
Clean the air filter
Incorrect carburetor setting
Contact an authorized customer
service outlet or send the machine
to ISC-GmbH.
The engine does not run smoothly
Incorrect electrode gap on the
spark plug
Clean the spark plug and adjust
the electrode gap or fit a new spark
plug.
Incorrect carburetor setting
Contact an authorized customer
service outlet or send the machine
to ISC-GmbH.
Engine smokes excessively
Incorrect fuel mix
Use the correct fuel mix (see fuel
mixing table)
Incorrect carburetor setting
Contact an authorized customer
service outlet or send the machine
to ISC-GmbH.
10. Troubleshooting
Anleitung BG_BC_41_43_SPK1:_ 07.03.2008 10:17 Uhr Seite 25
Summary of Contents for 34.017.40
Page 5: ...5 F7 F9 F8 G1 G3 G2 G4 G6 G5 H I2 I1 Anleitung BG_BC_41_43_SPK1 _ 07 03 2008 10 16 Uhr Seite 5...
Page 7: ...7 L5 M1 L6 M2 M4 M3 4 3 5 1 2 Anleitung BG_BC_41_43_SPK1 _ 07 03 2008 10 16 Uhr Seite 7...
Page 93: ...93 Anleitung BG_BC_41_43_SPK1 _ 07 03 2008 10 17 Uhr Seite 93...
Page 94: ...94 Anleitung BG_BC_41_43_SPK1 _ 07 03 2008 10 17 Uhr Seite 94...