Possible faults
48
Air filter is dirty.
Maintain air filter (see Maintenance).
Spark plugs are dirty, damaged,
or incorrect electrode gap.
Clean spark plugs and check electrode
gap (see Maintenance). Replace spark
plugs if necessary.
Housing of the mower is
jammed.
See Maintenance.
Poor quality, dirty, or old fuel.
Clean fuel system (authorized service
center).
Always use fresh fuel.
Engine starts badly or
runs irregularly
Choke is closed.
Open the choke.
Air filter is dirty.
Maintain air filter (see Maintenance).
Poor quality, dirty, or old fuel.
Always use fresh fuel.
Spark plug is dirty, damaged, or
incorrect electrode gap.
Clean spark plugs and check electrode
gap (see Maintenance). Replace spark
plug if necessary.
Oil control lamp on
the Remote Control
transmitter lights up
No oil pressure:
Too little engine oil.
Check engine oil level, refill.
No oil pressure:
Slope too steep.
Move the device to a more level posi-
tion.
Device does not move
RC mode:
Rotary knob limit speed is set to
“0”.
Adjust rotary knob limit speed.
The drive is unlocked.
Lock the drive.
Hydrostatic drive is overheated. Cool down (see Maintenance).
Blade cannot be en-
gaged
The engine is not running.
Starting the engine.
Blade in transport position.
Move blade to desired cutting position.
No oil pressure:
Not enough engine oil.
Check engine oil level, refill.
No oil pressure:
Slope is too steep.
Move the device to a more level posi-
tion.
MC mode:
Safety switches are not acti-
vated.
Move drive lever to neutral position.
Put driver in seat to activate seat contact
switches.
Insert the Remote Control Transmitter
into the Remote Control Transmitter
holder.
The blade does not
rotate
V-belt is insufficiently tensioned
or damaged.
Autorisierte Fachwerkstatt.
Bowden cable is defective.
Autorisierte Fachwerkstatt.
Starke Vibrationen
während des Betriebs
Unbalance at the blade caused
by incorrect sharpening or chips
on the blade.
Have blade resharpened and balanced
by an authorized service center. Re-
place a damaged blade immediately.
Blade drive shaft is bent due to
collisions with foreign objects.
Authorized service center.
Engine fastening is loose.
Authorized service center.
Blade fastening is loose.
Authorized service center.
Irregular noises
Loose fastening elements.
Authorized service center.
Muffler is defective.
Authorized service center.
Hydrostatic drive is overheated. Cool down (see Maintenance).
Horn sounds at inter-
vals during operation.
Warning of excessive load of
the device due to ground un-
evenness.
Reduce speed.
Summary of Contents for AS 940 SHERPA 4WD RC
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