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Y-MK1-853
Troubleshooting 1 Step-by-Step Instructions

6.6.3 Apical Zone
# Problem Possible cause Solution 2
The apical zone is divided into 3 bars graduated from 1.0 to 0.0 (apex)
Perform the cable
Bad electrical connection test as – see Fig. 11.
contact. described in the user
manual, section 6.5.
The connection Place the connection hook
hook is not properly on the metal part of the file
connected to the below the plastic handle.
file.
The root canal is Check the comparative
obliterated. X-ray image for hints.
In the case of
retreatment: old Remove old root filling
filling material material residues prior to
The transmission of the residues may block use.
electric signal is the root canal. Beginning of apical zone Middle of apical zone Apical position
interrupted. The device
6 The root canal may
does not show file Fig. 11
progression inside the be blocked by the Completely remove the
canal. remnants of a remnants prior to use.
medication (e.g. When the apex is reached, a solid tone is emitted.
calcium hydroxide). The indication 0.0 on the Propex Pixi™ screen relates to the minor
Rinse the root canal with apical foramen file position (the apical length).
Root canal is NaCl solution. Dry the
extremely dry. access cavity with a cotton
pellet/ air-blower. 6.6.4 Over-Instrumentation
If there is no parietal A red “OVER” segment and an audio warning signal (rapid intermittent
The selected file is contact use larger ISO size signal) indicate that the file has passed the apex – Fig. 12.
too small for a large file.
root canal. Important: exactly fitting
files lead to precise results.
Electronic Contact your distributor.
malfunction.

Fig. 12

34/222 B ML PXEM DFU PRT / Rev.11 / 02-2018 (Old ZF 1902118.X) B ML PXEM DFU PRT / Rev.11 / 02-2018 (Old ZF 1902118.X) 19/222