English
Mowing deck errors
Error
Cause
The grass is
The blade is blunt or worn.
not being cut
The driving speed is too high.
cleanly, or the
The throttle lever is not in
grass turns
the "MAX" position.
yellow.
The mowing deck position is
incorrect.
The discharge chute is clogged,
or the mowing deck is dirty.
The gauge wheels are set incor‐
rectly.
The discharge
The blades are damaged or
chute is clog‐
worn down.
ged.
The mowing deck or discharge
chute is dirty.
The grass is too tall or too
moist.
The level sensor is incorrectly
adjusted.
The tire pressure is incorrect.
The mowing deck position is
incorrect.
The throttle lever is not in
the "MAX" position.
The grass cat‐
The level sensor is not correctly
cher box does
adjusted.
not fill up
The discharge chute, mowing
completely.
deck or the ventilation holes in
the grass catcher box are clog‐
ged or dirty.
The blades are damaged or
worn down.
The grass is too high or too
moist, or the selected cutting
height is too low.
The level sen‐
The level sensor is dirty.
sor does not
The level sensor is not correctly
respond cor‐
adjusted.
rectly.
The driving speed is too high.
The blades
The safety devices prevent the
are engaged,
activation of the blades.
but they do
The V-belt of the mowing deck
not turn.
is worn, detached or damaged.
The blades
Mowing in reverse is not enab‐
are disenga‐
led.
ged when dri‐
ving in
reverse.
82
Remedy
Sharpen or replace the blade.
Reduce the driving speed.
Set the throttle lever to the "MAX" position.
► Check the mowing deck.
► If the mowing deck position is incorrect: Consult a
STIHL authorized dealer.
Clean the ride-on mower.
Contact a STIHL authorized dealer.
Sharpen or replace the blade.
Clean the ride-on mower.
► Reduce the driving speed.
► Mowing in two stages:
– Mow the lawn at the highest cutting height.
– Mow the lawn at the desired cutting height.
Pull out the level sensor a bit more.
Check the tire pressure.
Check the mowing deck position.
Set the throttle lever to the "MAX" position.
Adjust the level sensor.
Clean the ride-on mower.
Replace or sharpen the blades.
► Reduce the driving speed.
► Mowing in two stages:
– Mow the lawn at the highest cutting height.
– Mow the lawn at the desired cutting height.
Clean the level sensor.
Adjust the level sensor.
Reduce the driving speed.
Check whether the ride-on mower is in a safe condi‐
tion.
Contact a STIHL authorized dealer.
Enable mowing in reverse,
17 Troubleshooting
11.4.3.
0478-193-9806-A