Inserting Or Replacing The Backup Battery - Siemens S5-155U System Manual

377 Memory Submodules
Inserting or replacing the
backup battery
5 - 60
Before the RAM submodule with battery backup is started for the first
time, you must insert the battery provided. This is delivered separately
to protect it from premature discharge. Proceed according to the
following steps:
Step Action
1 Open the upper side of the cover by releasing the snap-on
catch. Grasp the cover within the clearance from the PCB
and pull it up.
2 Insert the submodule battery and secure it with a screw on
the left and on the right. Ensure correct polarity (+/-).
3 Close the cover again.
Battery
M 2.5 Screw
Battery
fault LED
Figure 5-6 Mounting Location for Backup Battery
Caution
Improper replacement of the battery can result in explosion
hazard. It should only be replaced by the same type or an
equivalent one recommended by the manufacturer. Used batteries
should be disposed of according to the manufacturer's
instructions.
Grip
System Manual
C79000-B8576-C199-03