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Quantum ODYSSEY HF Series

Quantum ODYSSEY HF Series
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Chapter 5 Service Instructions
HF Series X-ray Generators - Service Manual Revision W
Quantum Medical Imaging, LLC
5-25
Line/400V
Anode
Missing or incorrect anode sens-
ing voltage (Vsense A) value
returned.
1. Access Service Mode>Calibra-
tion>AD Calibration menu. Verify
+400V Anode voltage is within tol-
erance per Table 3-8 (non-Q-Bus
Systems) or Table B-3 (DiRex Sys-
tems) or Table D-1 (all other Q-Bus
Systems). If not, calibrate in
accordance with "A/D Calibration
Procedure" in Chapter 3 (non-Q-
Bus Systems) or Appendix B
(DiRex Systems) or Appendix D
(all other Q-Bus Systems).
2. The input voltage is not selected
correctly at terminal block TB1
(refer to Chapter 2, Assembly &
Installation for details).
3. Using a DMM, measure the dc
voltage across the (+) and (-) ter-
minals of the Anode DC capacitor
bank (i.e., C13-C16 on non-stored
energy (SE) systems, and C9-C11
on SE systems). The voltage
should be between 355-440 VDC.
If not, check for open fuses F1 and
F2 (mounted on inside front edge
of generator chassis).
4. If voltage across Anode DC capac-
itors is within range, measure volt-
age from (+) terminal to chassis
ground, then from (-) terminal to
ground. The measured voltage for
each should be one-half the value
measured in previous step. If not,
check incoming line voltage at TB2
(TB1 on SE units).
Table 5-1. Error Messages and Possible Cause(s)
Error
Message
Possible Cause(s)
Remedial Action

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