Bosch Rotak 37 Li Gen 4 0.600.8A4.400 [17/258] Troubleshooting

Bosch Rotak 37 Li Gen 4 0.600.8A4.400 [17/258] Troubleshooting
English | 17
Bosch Power Tools F 016 L70 887 | (16.9.13)
Temperature Control Indicator
The red LED signals that the battery or the electronics of the
garden product (with battery inserted) are not within the op-
timum temperature range. When this occurs the garden prod-
uct will not operate or not at full capacity.
Temperature Control of the Battery
The red LED flashes when pushing button or pressing the
On/Off switch (when the battery is inserted): The battery is
not wihin the temperature range for operation of 10 °C to
+60 °C.
The battery switches off at a temperature above 70 °C until
the optimum temperature range is reached again.
Temperature Control of the Garden Product Elec-
tronics
The red LED lights up continuously when pressing the
On/Off switch : The temperature of the garden product elec-
tronics is below 5 °C or above 75 °C.
At a temperature above 90 °C, the electronics of the garden
product switch off until the temperature is within the allowa-
ble temperature range again.
Area of Cut (Battery Duration)
The area of cut (battery duration) depends on lawn condi-
tions, grass density, mositure content, grass length and
height of cut.
Switching the machine on and off frequently during cutting
will also reduce the area of cut (battery duration).
To improve the area of cut (battery duration) it is recommend-
ed to cut more frequently, raise the cutting height and walk at
a normal pace.
The example below shows impact of conditions against run
time, for one battery.
To increase the run time an additional battery or higher capac-
ity battery (Ah) can be purchased from an authorised custom-
er service agent for Bosch garden products.
Troubleshooting
Cutting Conditions
Very light, dry grass Light, dry grass
Area of cut
up to 450 m
2
up to 225 m
2
6cm
4cm
8cm
4cm
STOP
Problem Possible Cause Corrective Action
Machine fails to oper-
ate
Possible clogging Remove the isolator key:
Check underneath the garden product and clear
out as necessary (always wear gardening gloves)
Battery not fully charged Battery Charging
Battery not inserted (properly) Inserting the battery
Grass too long Increase height of cut and tilt garden product to re-
duce starting load
Motor protector has activated Allow motor to cool and increase height of cut
Battery too hot/cold Allow to cool/warm
Isolator key not inserted correctly/fully Fit correctly
There is a short delay in the motor starting after en-
gaging the On/Off switch
Hold On/Off switch for 1 – 3 s to start motor
Motor starts and stops
immediately
Battery not fully charged Battery Charging
Isolator key not inserted correctly/fully Fit correctly
Battery not inserted (properly) Inserting the battery
Battery too hot/cold Allow to cool/warm
Increase height of cut
Machine functions
intermittently
Internal wiring of garden product damaged Contact Service Agent
Motor protector has activated Allow motor to cool and increase height of cut
OBJ_BUCH-1954-003.book Page 17 Monday, September 16, 2013 1:14 PM

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