GE Senographe DS Manual page 1734

GE Healthcare
Revision 1
Job Card CHK A001 - Boot/Init and Shutdown
10 NORMAL POWER OFF SEQUENCE CHECKS
1. Click the System Off button
2. A message appears, requesting confirmation of the shutdown request. con-
firm by clicking OK.
3. After a few minutes, the Console display goes blank.
4. The Control Station and AWS system perform the shut down sequence, which
takes approximately two minutes. The normal shut-down message appears
on the monitor:
System is down. System will power off within 30 seconds; do NOT reboot now! (if system does not
turn off, switch off UPS manually.
If at any time the Ups does not shut down after the System Off request, the UPS should be turned off
by pressing the Control Station OFF button at the front of the Generator Cabinet.
5. Within about two minutes of confirmation of the shutdown request, the Control
Station system is switched off and the Gantry/Generator system is switched
off (check again at the X-ray Console).
6. No LED lit or flashing on the UPS.
7. Check that the conditioner continues to operate; check that the Control Station
ON button (at the front of the Generator Cabinet), and the CONDITIONER ON
button (inside the MDR) are still lit.
11 THERMAL CUTOUTS
Two thermal cutouts are fitted in the Generator Cabinet, one in the autotransformer, and the other on the
200PL1 board.
If either of these cutouts operates, the system shuts down, it is impossible to restart the system; the X-
ray Console ON push-button has no effect. The system will not start until it has cooled and the cutout
has recovered.
• Autotransformer cutout. Operates at 120°C; the OFF button on the Main Supply Rack remains lit, but
it is impossible to restart the system. Recovery time is one to two hours.
• 200PL1 board cutout. Operates at 110°C; the OFF button on the Main Supply Rack is not lit; it is
impossible to restart the system. Recovery time is about half an hour.
Chapter 9
Service Information and Procedures Class A 2385072-16-8EN
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JC-CHK-A-001.fm