Backup Battery G1/D1 - Siemens MOBILETT Plus HP Maintenance Instruction

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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 using the "Collimator lamp" button, the battery voltage is
displayed:
kV
bAt
After 5 seconds, the program is ended. If the battery voltage is 2.9 V or less, the following
message appears and an audible signal sounds:
kV
P 11
The battery must be replaced.
If the battery voltage is within the correct range, the following message appears:
kV
P 11
Exit the service mode by switching S1:1 on board D1 OFF. This will cancel all currently
running programs.
MOBILETT Plus HP
mAs
3.2 = 3.2 Volt
mAs
CAL31
mAs
PASS = battery charge is okay
SPR8-220.101.04.03.02
07.05
Inspection and Maintenance
Page 42 of 64
CS PS 24
Siemens AG
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