Viking MA 339 Manuel D'utilisation page 52

– Machine defective (three red LEDs
flash on battery)
Remedy:
– Charge battery ( 8.4)
– Insert battery into battery compartment
( 8.3)
– Insert safety plug ( 9.1)
– Press start button ( 12.2)
– Do not start motor in high grass, adapt
cutting height ( 9.6)
– Allow machine to cool down (
– Warm up battery or allow to cool down
( 8.4)
– Remove battery from battery
compartment and dry; clean/dry battery
compartment ( 8.3)
– Clean mower housing (
– Replace safety plug ( )
Fault:
Motor stops during operation
Possible cause:
– Battery or machine electronics
overheated
– Electrical fault
– Battery not fully charged
– Safety plug incorrectly inserted
– Machine overloaded due to mowing
grass which is too long or too wet
– Lawn mower fault
Remedy:
– Remove battery from battery
compartment; allow lawn mower and
battery to cool down (
– Remove battery from battery
compartment and reinsert (
– Charge battery ( 8.4)
– Insert safety plug ( 9.1)
– Adapt cutting height and mowing speed
to mowing conditions (
– Repair lawn mower ( )
50
Fault:
Excessive vibration during operation
Possible cause:
– Blade fastening screw is loose
– Blade is not balanced
Remedy:
– Tighten blade fastening screw (
– Re-sharpen (balance) or replace blade
( 13.8)
10.5)
Fault:
Poor cut, lawn turning yellow
Possible cause:
– mowing blade is blunt or worn,
13.2)
– rate of feed is too high in relation to the
cutting height
Remedy:
– Re-sharpen or replace mowing blade
( 13.8)
– Reduce rate of feed and/or select
correct cutting height (
Fault:
Problems switching machine on or
deteriorating motor power.
Possible cause:
– Battery discharged
– Mowing grass which is too long or too
wet
– Mower housing is blocked
– Mowing blades are blunt or worn
8.3)
Remedy:
8.3)
– Charge battery (
– Adapt cutting height and mowing speed
to mowing conditions (
– Clean mower housing (
9.6)
– Re-sharpen or replace mowing blade
( 13.8)
Fault:
Ejection chute blocked
Possible cause:
– Mowing blade is worn
– Mowing grass which is too long or too
13.7) Remedy:
– Replace mowing blade (
– Adapt cutting height and mowing speed
Fault:
Operating time too short
Possible cause:
– Battery not fully charged
– Mowing grass which is too long or too
– Mower housing is blocked
– Mowing blades are blunt or worn
– Battery has reached or exceeded the
9.6)
Remedy:
– Charge battery (
– Adapt cutting height and mowing speed
– Clean mower housing (
– Re-sharpen or replace mowing blade
– Check battery, replace if necessary ( )
8.4)
9.6)
13.2)
wet
to mowing conditions ( 9.6)
wet
end of its service life
8.4)
to mowing conditions ( 9.6)
13.2)
( 13.8)
0478 131 9917 G - EN
13.7)