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Loud noise coming from applied part Loud, irregular noise Gearings/ball bearings defective
Ball bearings of attachments
defective
Change applied part.
Preventive measure: Ensure that the
applied part is lubricated at regular
intervals.
High speed applied part vibrates
excessively
Shaft of applied part bent Loud running noise / vibrations
Change applied part.
Applied part defective
Reprocessing carried out incor-
rectly
Follow instructions for use of the
applied part (reprocessing, mainte-
nance)
Applied part is getting too hot Blunt tool Tool overheats Change tool.
Applied part defective The applied part becomes hot
Loud running noise
Vibration
Change accessory.
Preventive: Oil the applied part regu-
larly and observe the instructions for
use of the accessory.
Excessive use Follow instructions for use of the
applied part (interval operation).
Reprocessing/maintenance carried
out incorrectly
Follow instructions for use of the
applied part (reprocessing, mainte-
nance)
Shaft of applied part bent Change applied part.
Accessory defective
Applied part not running Applied part defective Tool not moving Change applied part.
Foot control defective Pedal not moving Change foot control.
Applied part in “Off” position (for
GA844)
Safety catch is in “Off” position Switch the safety catch to “On” posi-
tion.
Hand control defective Slider/hand lever not moving Change hand control.
Insufficient power Blunt tool Cutting edge worn Change tool.
Cutting edges coated with sub-
stances, e.g. from too little rinsing
Applied part operated in counter-
clockwise rotation
Serrated tool run in counterclock-
wise rotation mode
Operate serrated tool in clockwise
rotation.
No central alignment of the crani-
otomy reamer to the dura protec-
tor bracket
Dura protector bracket bent
Poor progress during craniotomy
Follow instructions for use
(TA014438/TA014439).
Change dura guard
Applied part defective Insufficient power of applied part Follow instructions for use of the
applied part (reprocessing, mainte-
nance)
Change applied part.
Steep rise in temperature after a
short period of time
Accessory defective Large amount of heat generated
after a short time
Observe instructions for use of the
accessory (reprocessing, mainte-
nance).
Change accessory.
Rinsing adapter not adaptable Rinsing adapter not compatible Rinsing adapter not adaptable Use matching rinsing adapter
Port on applied part deformed Replace the applied part.
Rinsing adapter deformed/defec-
tive
Replace the rinsing adapter.
Oil spray adapter cannot be plugged in Oil spray adapter not compatible Oil spray adapter cannot be
plugged in
Use the matching oil spray adapter.
Counterclockwise rotation pusher
cannot be pressed (for GA844).
Counterclockwise rotation pusher
jammed/defective
Counterclockwise rotation pusher
cannot be actuated.
Change applied part.
Speed control safety catch cannot
beactuated (for GA844)
Applied part in secured off posi-
tion
Safety catch is in “Off” position Switch safety catch to “On” position.
Speed control safety catch
jammed/defective
Speed control safety catch cannot
be actuated
Change applied part.
Malfunction Cause Detection Remedy
Document No.: IFU - Version: 3.0 - Document ID: SOP-AIC-5001568 Date/Time Printed/Viewed: 2022-04-13 15:59 (CET)
Effective
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