Service Instructions
Multimobil 5C
Siemens Ltd. Med India
Version 5.0
Page 16 of 73
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SIEMENS LTD. All rights reserved. For internal use only
2.9 Checks prior to switch ON after prolonged shelf life
The following sequence to be followed when the unit is switched on after 6 months of
shelf life.
2.9.1.1
Forming of capacitors
If the unit is being installed after six months from the date of dispatch, the capacitors
need forming.
1. Switch ON the unit.
2. The display will be as shown.
3. Observe the gradual build up of DC voltage across the capacitors in the inverter
module.
4. Switch off the unit after the capacitor voltage reaches 150V DC.
5. Switch on the unit again.
6. Keep it on till the capacitor voltage reaches 250V
7. Repeat the above procedure for 5 times.
8. Switch on the unit and after 9 Secs the US contactor picks up
9. The voltage across the capacitors should be around 300-350V DC
2.9.1.2
Gattering of Image Intensifier.
Keep the unit on in standby mode for 30 minutes before generating x-rays.
2.10 Checks prior to transport
Functional check of the brakes. Lock the brake. It should not be possible to move the
Multimobil 5C with normal hand power. A slight slip is acceptable when using greater
force.
Should any fault be observed, please notify Siemens customer service.
Note :
Annual Maintenance must be performed as per the guidelines described in the
Maintenance section.
Notify Siemens Customer Service if you do not have a maintenance contract.