Problem
The appliance
becomes
noisy and
rattles during
operation.
The appliance
has a short
operating
time.
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Possible cause
Dirt has
accumulated
around the roller
brush and the belt.
You have not
charged the
battery pack in
the optimal way
(see chapter
'Charging').
English
Solution
Clean the roller brush and the
belt (see chapter 'Cleaning').
Discharge the battery pack
completely. Let the appliance run
until it stops. Then recharge the
battery pack for 16-18 hours.
Repeat this discharge-charge
cycle a few times.
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