13.5 Software update
To check whether a software update that will
enhance the functions of the remote control or
improve existing functions is available, a
Bluetooth
®
connection to the Festool Work App
can be established.
► Press the connection button on the remote
control
[1-19] until the LED indicator [1-20]
flashes blue.
The remote control is ready for connection for
60 seconds.
► Follow the instructions provided in the
Festool Work App to authorise the secure
connection.
14 Warning signals
Warning
signal
Description of warning signal Cause Action
Visual
LED [1-15]
Flashes green Battery pack empty Charge the battery pack.
Incorrect battery pack Use correct battery pack (see
section 5).
Battery pack under
cooling.
Operating temperature, see
battery pack operating manual.
Flashes red Battery pack faulty – Change the battery pack.
– Use the charger to check that
the battery pack is fully func
tional once it has cooled down.
Lights up red Cordless mobile dust
extractor overheating
See section 11.3.
Battery pack overheat
ing
Leave the battery pack to cool
for approx. 10 minutes.
Water level limit: Maxi
mum fill level height
reached
See section 12.2.
Acoustic Signal Increasing, begin
ning with two short
Battery pack charge
low
– Charge the battery pack.
– Use the newly charged bat
tery pack.
15 Service and maintenance
WARNING
Risk of injury, electric shock
► Always remove the battery pack from the
cordless mobile dust extractor before per
forming any maintenance or service work.
► All maintenance and repair work which re
quires the motor housing to be opened
should always be carried out by an author
ised service workshop.
CAUTION
Certain cleaning agents and solvents are
harmful to plastic parts.
► Some of these include, but are not limited
to: Gasoline, Acetone, Methyl Ethyl Ketone
(MEK), Carbonyl Chloride, cleaning solu
tions containing Chlorine, Ammonia, and
household cleaners containing Ammonia.
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