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Device maintenance
6.4 Removing and installing hardware components
6.4.3
Replacing the backup battery
Prior to replacement
Risk of explosion and release of harmful substances
Improper handling of lithium batteries can result in an explosion of the batteries.
Explosion of the batteries and the released pollutants can cause severe physical injury.
Worn batteries jeopardize the function of the device.
Note the following when handling lithium batteries:
• Replace the battery every 5 years.
• Replace the lithium battery only with the type recommended by the manufacturer.
• For any requirements on product maintenance, contact Siemens Technical support
• Do not throw lithium batteries into fire, do not solder on the cell body, do not recharge,
NOTICE
Disposal of batteries
Batteries do not belong in domestic garbage. The user is legally obliged to return used
batteries.
Used batteries pollute the environment as special waste. You as a user are liable to
prosecution if you do not properly dispose of batteries.
Please observe the following when disposing of batteries:
• Dispose of used batteries as hazardous waste in accordance with local regulations.
• You can return used batteries to public collection points and wherever batteries of the
• Label the battery container "Used batteries".
Requirement
● The device is disconnected from the power supply.
● The device is opened.
● The new lithium battery must be certificated by UL and meet the following requirements:
– Type: CR2032
– Rated voltage: 3 VDC
– Max abnormal charging current: 10 mA
56
WARNING
(Page 123).
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.
type in question are sold.
Operating Instructions, 09/2018, A5E41134132-AE
SIMATIC IPC347E
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