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Siemens AG SPR8-220.061.03 Page 1 of 8 MOBILETT Plus HP
Medical Solutions Rev. 03 09.03 CS PS 24
Miscellaneous 8
Replacing the backup battery 8
The backup battery can be replaced without turning off the unit. Make sure that the board
does not short-circuit and that the soldering iron is not connected to main power while sol-
dering.
• Read out the exposure counter, refer to the section "P16 - Show the exposure counter".
• Read out the mAs limit, refer to the section "P15 - upper mAs limit".
• Read out the kV step and limit, refer to the section "P14 - Number of kV steps and upper
kV limit".
• Loosen the screws of the upper system cover and remove it.
• Loosen the screws and remove the protection plate.
• Locate the battery, refer to the wiring diagram, page 110.
• To avoid damage to components or assemblies, ensure compliance with ESD
guidelines.
• Remove the battery jumper.
• Desolder the battery and connect the new battery using the soldering iron.
• Reattach the battery jumper.
• Reattach the aluminum plate.
• Switch off the unit for 20 s.
Fig. 1
Backup
battery
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