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Servicing and maintenance
10.2 Removing and installing hardware components
10.2.8
Replacing the back-up battery
To be noted before you replace the battery
Note
The life span of a back-up battery is approximately 3 - 5 years, depending on the operating
conditions.
Caution
Risk of damage
The lithium battery may only be replaced with an identical battery or with a type
recommended by the manufacturer.
Warning
Risk of explosion and release of harmful substances
Therefore, do not throw Lithium batteries into an open fire, do not solder or open the cell
body, do not short-circuit or reverse polarity, do not heat up above 100° C, dispose of in
accordance with regulations and protect against direct exposure to sunlight, moisture and
condensation.
Disposal
Caution
Depleted batteries must be disposed of in accordance with local regulations.
10-26
Operating Instructions, Release 04/2006, A5E00798484-01
SIMATIC Panel PC 577
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