Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M
07.05 CS PS 24
Inspection and maintenance 41
Page 41 of 64
Medical Solutions
2.6 Backup battery G1/D1
PMP Replace every 5 years
The backup battery (3.0 V, 1.2 A lithium battery) on board D1 must be replaced every
5 years. Refer to the section ”Replacing the backup battery” in the service instructions.
PMF P11 - Backup battery test
The status of the backup battery can be checked using service program P11.
After activating program no. 11 via the "collimator lamp" button, the battery voltage is dis-
played:
If the battery voltage is 2.9 V or less, the battery must be replaced. Refer to the section
”Replacing the backup battery" in the service instructions.
After 5 seconds, the program ends. If the battery voltage is too low, the following message
appears and an audible signal sounds:
If the battery voltage is within the correct range, the following message appears:
Exit the service mode by switching S1:1 on board D1 OFF. This will end all currently run-
ning programs.
kV mAs
bAt 3.2 = 3.2 volts
kV mAs
P 11 CAL31
kV mAs
P 11 PASS = battery charge is okay
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