Mosa MS 200 S, Use And Maintenance Manual

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TROUBLESHOOTING MS 200 S - MSG 200/CHOPPER
MSG 201 S 50/60 Hz
© MOSA 1.0-09/95
18/09/95 10160M9.8 - GB
M
9.8
SYMPTOM POSSIBLE CAUSES REMEDY
a)Faulty electromag-net Check that the electromagnet plunger is not obstructed and can
move freely in the vertical direction.
Measure the resistance of the electromagnet coil after having
disconnected it from the terminal strip (terminals 4 and 7, blue
and brown wires).
The resistance should be 30 ohms ± 10% at room temperature.
b) Blocked carburetor
linkage
Check Nylon bushings (V) and replace if necessary.
Clean and lubricate linkage.
3. ENGINE WELDS BUT
STAYS ACCELERATED
c) Faulty leads, grounded
wires
Check that all wires connected to the terrninal strip of the PCB
are making good contact.
WIRE COLORS ON TERMINAL STRIP
1 Black 4 Blue 7 Brown
2 Red 5 Yellow 8 Brown
3 Red 6 Yellow 9 Green