Device maintenance and repair
7.3 Removing and installing hardware
SIMATIC IPC847E
Operating Instructions, 10/2018, A5E43920357-AA
137
Changing the backup battery
Risk of explosion and release of harmful substances
Improper use and handling of lithium batteries can result in an explosion of the batteries.
Explosion of the lithium batteries and the resulting release of harmful substances can cause
severe physical injury. Damaged batteries jeopardize the function of the device.
• Replace spent batteries promptly. See information in "Maintenance intervals
(Page 129)".
• Replace the lithium battery only with an identical battery or types recommended by the
manufacturer.
• Do not throw lithium batteries into fire, do not solder on the cell body, do not recharge,
do not open, do not short-circuit, do not reverse polarity, do not heat above 100 °C and
protect from direct sunlight, moisture and condensation.
● An original spare part, i.e. a backup battery of the same type (article number of lithium
battery: A5E00331143)
● You have noted the firmware settings as the configuration data of the device is deleted
when the battery is replaced
You can find information on this in the detailed firmware/BIOS description, see "Important
instructions and manuals for operating the device (Page 11)".
● The device is open, see important information in "Open the device (Page 89)".
● You have observed the local regulations relating to the disposal of used batteries.
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