Stiga MP1 550 Li D48 Series Operator's Manual page 133

14. PROBLEM IDENTIFICATION
If problems persist after having performed the above operations, contact your dealer.
PROBLEM
1. After pressing the start-
er button, the display
does not come ON.
2. After pressing the starter
button, the display does
not come ON and the ma-
chine sets off a buzzer.
3. The motor shuts down
whilst working.
4. The display shows
ER3 (Fig.27.B) .
5. The display alter-
nates between: ER1
+ OPC (Fig.27.B) .
6. The display shows
ER1 (Fig.27.B) .
7. The display alternates
between: 100% +
ER3 (Fig.27.B) .
8. The display shows
ER2 (Fig.27.B) .
PROBABLE CAUSE
Safety key is not inserted or
is inserted incorrectly.
The safety key is not in "OFF" position.
Battery is not inserted or is
inserted incorrectly.
Low battery.
Incorrect battery combination.
Internal motor anomaly.
Battery is not inserted correctly.
Low battery.
Obstructions that prevent
rotation of the cutting means.
The thermal protection has tripped
due to overheating of the motor.
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 inside the chassis
and discharge chute.
Drive motor over current for heavy
working conditions (drive under stress).
Anomaly in the electrical
connection of battery and motor.
Cutting means blocked.
Insert the key (par. 6.3).
Turn the safety key to "ON" position (par. 6.3).
Open the hatch and check that the battery
is fitted in its housing correctly (par. 7.2.3).
Check the battery status and recharge
if necessary (par. 7.2.2).
Check if the battery combination is
correct, following the instructions
supplied in the "Technical data" table.
Remove the safety key and contact your
Dealer or the Authorised Service Centre
for checks, replacements or repairs.
Open the hatch and check that the battery
is fitted in its housing correctly (par. 7.2.3).
Check the battery status and recharge
if necessary (par. 7.2.2).
Remove the safety key, wear work gloves and
remove grass or debris from the lower part of
the machine and/or from the discharge chute.
Wait for at least 5 minutes and
restart the machine.
• Set a higher cutting height when the
grass is very tall, then set a lower height
and cut the lawn again (par. 6.4.2).
• Remove the obstructions (par. 7.3.2).
• Clean the machine (par. 7.3.1)
Wait for at least 5 minutes and
restart the machine.
– Make sure that the wheels are not
blocked. Clean as needed.
– Check the slope of the land you
are working on (par. 6.4.1).
Remove the safety key and contact your
Dealer or the Authorised Service Centre
for checks, replacements or repairs.
Turn the machine off, remove the
safety key and wear work gloves.
Check and eventually remove any obstructions
in the machine lower side (par. 7.3.2) that
prevent rotation of the cutting means.
If the problem continues, contact the
Authorised Service Centre for checks,
replacements or repairs (par. 8.1).
EN - 13
SOLUTION