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66
SM-1 Ev6/25062014
2 Troubleshooting
Problem
Possible cause
Correction
Nothing appears on the display
when the RC is turned on
RC battery is exhausted
Replace the battery with a charger one
Charge the battery
Insufficiently connected switch
Switch on RC properly
Engine does not start
Accumulator is discharged
Charge the battery
Check the fuse
Accumulator is disconnected
Attach terminal connectors to the
battery
Cable lines are broken
Check/replace the cables lines
Check the fuse
Spark plug does not spark
Clean the spark plug and contacts
Fuel filter is clogged
Change it
Not enough fuel
Refuel
Not enough oil in engine
Refill oil up to the required level
No signal or the mower is out of
the signal range
Check the aerial attachment/ move
closer to the mower
Emergency button on the mower
is pressed
unlock the button
Damaged hydraulic pump
servomotor-neutral position
Change it
Blade on the RC is switched on
Switch it off
Broken driving belts are wrapped
on the mowing device
Release/change them
Faulty starter relay
Change it
Burned fuses
Check them
Wrong fuel
Use BA 95 only
The mower does not travel
properly/at all
Not enough oil in the hydraulic
circuit
refil oil and de-aerate properly
Driving belts are broken
Change them
Oil is overheated
Clean the fan area, wait till oil cools
down
Mechanic elements of the
hydraulic drive are worn out
Change them
Hydraulic pump filter is clogged
Change it
By-pass is released
Tighten it
The mower canot climb slopes
V-belts are worn
Replace them
V-belts are not tensioned enough
Tension them
Damaged hydraulic pump
servomotor
Change it
By-pass is released
Tighten it
The mower vibrates when started Blade carrier shaft is curved
Replace the shaft
Blade is damaged
Replace the blade
Blade is not attached properly
Change the blade bolts and tighten
them properly
Unevenly worn out or damaged
blade
Replace it
Damaged blade hub bearings
Change them
Bad mowing quality
Grass is overgrown, too high
Mow only grass which is maximum 3x
taller that the pre-set stubble height.
We recommend to mow the grass, let it
dry and mow it again
Worn/blunt cutting edge of the
blade
Sharpen or replace the blade
Grass is too wet
Wait till the grass dries
Low engine speed
Set the engine to maximum
Too high driving speed
Lower the driving speed
