Viking ME 339 [48/466] Troubleshooting

Viking ME 339 [48/466] Troubleshooting
0478 121 9917 D - EN
46
Fault:
Motor will not start
Possible cause:
–No mains voltage
Connection cable, plug, plug connector
or switch defective
Start button not pressed
Motor is overloaded because the grass
is too tall or too wet
Motor overload protection activated
Mower housing is blocked
Fuse in plug faulty (GB version)
Remedy:
Check fuse (Ö 11.1)
Check cable/plug/switch and replace if
necessary (Ö 11.1)
Press start button (Ö 11.3)
Do not start motor in high grass, adapt
cutting height (Ö 8.4)
Allow machine to cool (Ö 9.5)
Clean mower housing (Ö 12.2)
Replace fuse in plug (#)
Fault:
Frequently tripped mains fuse
Possible cause:
Unsuitable electric cable
Power overload
Machine is overloaded due to mowing
grass which is too long or too wet
Remedy:
Use suitable electric cable (Ö 11.1)
Connect machine to another circuit
Adapt cutting height and mowing speed
to mowing conditions (Ö 8.4)
Fault:
Excessive vibration during operation
Possible cause:
Blade fastening screw is loose
Blade is not balanced
Remedy:
Tighten blade fastening screw (Ö 12.6)
Re-sharpen (balance) or replace blade
(Ö 12.7)
Fault:
Poor cut, lawn turning yellow
Possible cause:
mowing blade is blunt or worn,
rate of feed is too high in relation to the
cutting height
Remedy:
Re-sharpen or replace mowing blade
(Ö 12.7)
Reduce rate of feed and/or select
correct cutting height (Ö 8.4)
Fault:
Starting problems or deteriorating motor
power
Possible cause:
Mowing grass which is too long or too
wet
Mower housing is blocked
Remedy:
Adapt cutting height and mowing speed
to mowing conditions (Ö 8.4)
Clean mower housing (disconnect
mains plug before cleaning) (Ö 12.2)
Fault:
Ejection chute blocked
Possible cause:
Mowing blade is worn
Mowing grass which is too long or too
wet
Remedy:
Replace mowing blade (Ö 12.7)
Adapt cutting height and mowing speed
to mowing conditions (Ö 8.4)
20. Troubleshooting
# If necessary, contact a specialist
dealer; VIKING recommends VIKING
specialist dealers.

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