9.2.10.4
E1404: sensor does not detect X-rays during exam
This message indicates that the sensor has not received X-rays during the last
exposure.
The problem may be related to the generation of X-rays (generator board or
tubehead problem), to a bad positioning of the collimator or a radiopaque object
may be in the X-ray field.
If this error is displayed during a panoramic or 3D exam go to point 2.
1.
If the error is displayed during a ceph exam, perform a ceph exam test and
verify:
IF the secondary collimator and the ceph sensor move accordingly to the exam
selected. If they do not move refers to E630-E635 (ceph sensor problems) or
E640-E645 (secondary collimator problems).
-
If the error is still present, verify the ceph and the WINDOW 6 offsets stored
in the EEPROM (compare them with the ones reported on the set
parameters tables provided with the unit documentation). If they are not
the same, correct them and then repeat the ceph exam test.(see paragraph
7.9).
-
If the error is still present, verify if the issue is present also in a panoramic
exams
o
If the issue is not present in a panoramic exam, verify the ceph
axis alignment (paragraph 11.2.11).
o
If the issue is present also in a panoramic exam, go to next point.
2.
Remove the tubehead internal cover, open Phd_C_Test application and select
the “Centering emission” ID and verify if the collimator move accordingly (the
biggest collimator window is in front of the X-ray exit). “Centring panoramic” ID
with “panoramic collimator” format and verify if the collimator is correctly
positioned on panoramic window (the narrower collimator window is in front
of the X-ray exit).
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