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20 | English
F 016 L81 577 | (28.9.17) Bosch Power Tools
Operation
Switching On and Off (see figure I)
To switch on the power tool, first press the lock-off switch 10
then press On/Off switch 12. Keep the On/Off switch while
operating the machine. You can let go of the lock-off switch
while the tool is switched on.
To switch off the power tool, release the On/Off switch 12.
To save energy, only switch the power tool on when using it.
The lithium-ion battery is protected against deep discharging
by the “Electronic Cell Protection (ECP)”. When the battery is
empty, the power tool is switched off by means of a protective
circuit: The tool no longer runs.
Working Advice (see figure J)
Anti Blocking
This tool has the anti-blocking system installed for your bene-
fit. If the blade stalls on a tough material, the load of the motor
increases. The intelligent micro-electronics senses this over-
load condition and repeatedly reverses the motor, in order to
prevent stalling and to cut the material through.
This audible reversing cut action continues for up to 3 s.
After cutting through, the garden product continues in its nor-
mal mode, or in case the overload condition continues the
blades automatically stop in the open position (e. g. in case a
piece of metal fence accidentally blocks the garden product).
Troubleshooting
The following chart lists problem symptoms, possible causes and corrective action, if your garden product does not operate
properly. If these do not identify and correct the problem, contact your service agent.
Warning: Switch off and remove the battery prior to any troubleshooting.
Problem Possible Cause Corrective Action
Cutting time per battery
charge too low
Too much friction, due to lack of lubricant Apply lubricant spray (1 609 200 399)
Blade needs cleaning Clean blade
Poor cutting technique see “Working Advice”
Battery not fully charged Recharge battery; also see “Battery Charging”
Battery Thermal Protection operated Battery to cool and restart
The blades are running
slow or the anti blocking
feature is not functioning
Battery discharged Battery to cool and restart
Battery stored outside of battery temperature Allow battery to warm naturally to room
temperature (within battery operating
temperature 0 – 45 °C)
Hedge trimmer does not
operate
Battery discharged Recharge battery; also see “Battery Charging”
Safety switch not activated correctly see “Initial Operation”
Hedge trimmer operates
intermittently
Motor reverses repeatedly then stops after 3 s see “Working Advice” (Anti Blocking)
Internal wiring of machine damaged Contact your Bosch Service Center
On/Off switch defective Contact your Bosch Service Center
Motor runs but blades re-
main stationary
Internal fault Contact your Bosch Service Center
Cutting blade hot Too much friction, due to lack of lubricant Apply lubricant spray (1 609 200 399)
Cutting blade blunt Contact your Bosch Service Center
Cutting blade has dents Contact your Bosch Service Center
Blade will not move Battery discharged Recharge battery; also see “Battery Charging”
Machine defective Contact your Bosch Service Center
Excessive vibrations/noise Machine defective Contact your Bosch Service Center
Flashing red battery charge
indicator
No charging procedure
possible
Battery not (properly) inserted Properly insert battery into battery charger
Battery contacts contaminated Clean the battery contacts (e.g. by inserting and
removing the battery several times) or replace
the battery
Battery pack defective Replace the battery
Battery charge indicators
do not light up
Mains plug of battery charger not plugged in
(properly)
Insert mains plug (fully) into the socket outlet
Socket outlet, mains cable or battery charger de-
fective
Check the mains voltage; have the battery
charger checked by an authorised after-sales
service agent for Bosch power tools
OBJ_BUCH-3148-001.book Page 20 Thursday, September 28, 2017 10:53 AM
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