Troubleshooting; Tips For Operators And Service; 13�1 Poor X-Ray Image; 13�3 Fault On The Unit - Durr Dental VistaScan Mini Notice De Montage Et D'utilisation

Troubleshooting

13 Tips for operators and service technicians
Any repairs above and beyond routine maintenance must only be carried out by suitably
qualified personnel or by one of our service technicians�
Prior to working on the device or in case of danger, disconnect it from the mains (e� g� pull the
mains plug)�
13.1 Poor X-ray image
EN
Problem
X-ray image does not ap-
pear on the monitor after
the scanning
X-ray image too dark
X-ray image too bright
X-ray image only shadowy The X-ray dose on the image
32
Probable cause
Image plate not fed in straight
and inactive side scanned
Image data on the image plate
has been erased, e�g� by ambient
light
Fault on the unit
No image data on image plate,
image plate not exposed
X-ray unit is faulty
X-ray dose too high
Incorrect brightness/contrast set-
tings in the software
Exposed image plate has been
exposed to ambient light
X-ray dose too low
Incorrect brightness/contrast set-
tings in the software
plate was insufficient
Amplification (HV value) is set too
low in the software
Unsuitable scanning mode select-
ed
The setting for the threshold value
is too high
Solution
Scan the image plate again
i
immediately while feeding it in
correctly�
Always scan the image data of
i
the image plate as quickly as
possible�
Inform a service technician�
i
Expose image plate�
i
Inform a service technician�
i
Check X-ray parameters�
i
Adjust the brightness of the
i
X-ray image in the software�
Always scan the image data of
i
the image plate as quickly as
possible�
Check X-ray parameters�
i
Adjust the brightness of the
i
X-ray image in the software�
Increase X-ray dose�
i
Increase amplification (HV value)�
i
Select a suitable scanning
i
mode�
Reduce the threshold value�
i
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