Mountfield NTL 430 TR-R Li 48 Series, Operator'S Manual, Page: 36 / 43

EN - 11
13. PROBLEM IDENTIFICATION
PROBLEM PROBABLE CAUSE REMEDY
1. The motor does
not start when the
switch is pressed
Safety key is not inserted or is inserted
incorrectly
Insert the key (par. 6.3)
Battery is not inserted or is
inserted incorrectly
Open the hatch and check that the battery is
fitted into its housing correctly (par. 7.2.4)
Low battery Check the battery status and
recharge (par. 7.2.3)
Motor start-up is slow Press and hold the control lever
for 1-3 seconds (par. 5.2)
The thermal protection has tripped
due to overheating of the motor
Wait for at least 5 minutes and then restart
the machine
2. The motor shuts
down whilst working
Battery is not inserted correctly Open the hatch and check that the battery is
fitted into its housing correctly (par. 7.2.4)
Low battery Check the battery status and
recharge (par. 7.2.3)
Obstructions that prevent
rotation of the cutting means
Remove the safety key, put on your work
gloves and remove any grass remains
or debris from the lower part of the
machine and/or the discharge channel
3. The motor stops while
working and the machine
alarm buzzer is triggered
The thermal protection has tripped
due to overheating of the motor
Wait for at least 5 minutes and then restart
the machine
Thermal protection has tripped due to
excessive current absorption caused by:
• excessively high grass cutting
• obstructions that prevent
rotation of the cutting means
• too much grass debris accumulated in
the chassis and discharge channel
• Set a higher cutting height when the
grass is very tall, then set a lower
height and cut the lawn again
• Remove the obstructions (par. 7.3.2)
• Clean the machine (par. 7.3.1)
Wait for at least 5 minutes and then restart
the machine
4. The motor is running
but the cutting means
is stationary
The cutting means fittings are loose Immediately turn off the motor
and remove the safety key.
Contact an authorised Technical Assistance
Centre for correct fastening support (par. 7.5)
5. The cut grass is
not collected in the
grass catcher
The cutting means has collided with a
foreign object and received a knock
Turn off the motor and remove the safety key.
Inspect for damage and
Contact a Technical Assistance Centre
for the replacement of the cutting
means if necessary. (par. 7.5)
The inside of the chassis is dirty Clean the inside of the chassis to
ease the grass discharge towards
the grass catcher (par. 7.3.2)
6. Mowing is difficult
The cutting means is not
in good condition
Contact a Technical Assistance
Centre for the sharpening or
replacement of the cutting means
7. Excessive noise
and/or vibration
is experienced
whilst working
Cutting means fittings are loose or
the cutting means is damaged
Immediately turn off the motor
and remove the safety key.
Contact an authorised Technical
Assistance Centre for checks,
replacements or repairs (par. 7.6)