Operation Manual

80 MS 241 C
8.5.1 Engine does not start
Can engine
be started?
no
– Set Master Control lever
to position }
Troubleshooting completed
– Check ignition (spark
plug, spark plug boot,
ignition spark), b 7.4
Ignition spark
present?
– Check start detection,
(microswitch, actuating
lever), b 8.2.5
– Examine switch gear,
clean or replace if
necessary, b 8.2.5
– Check start detection and
wiring harness electrically,
b 8.2.5, b 8.2.6
yes
Mechanically
OK?
Are target values
attained?, b 8.2.5
– Look for a fault in the fuel
path, check engine for
leaks, b 13.11, b 6.2
– Examine switch gear and/
or wiring harness, clean or
replace if necessary,
b 8.2.5, b 8.2.6
no
yes
no
no
Engine does not start
Is it possible to start
the engine?
yes
no
– Check solenoid valve,
b 8.2.4
Are target values
attained? b 8.2.4
– Replace carburetor,
b 13.5
yes
yes
no
– Test ignition system
according to flow chart
"Ignition system
troubleshooting", b 7.8
yes
8.5 Troubleshooting, M-Tronic