Service and maintenance
7.4 Replacing the backup battery
7KN POWERCENTER 3000
Equipment Manual, 07/2020, L1V30579222003-03
115
Tools
Replacement of the batteries can be performed using the following tools:
• T20 screwdriver
• T8 screwdriver
• Wrench, width across flats 1.5 mm
Replacing the backup battery
If the battery replacement takes longer than 30 s, the time setting is deleted. The device no
longer runs synchronously. Time-controlled programs are no longer running or are running
at the wrong time.
This can result in damage to the plant.
● Reset the time setting on the device or use time synchronization.
Proceed as follows to replace the backup battery:
1. Remove the ground connection.
2. Unscrew the screws on the two connection sides ③ and remove the covers.
3. Unscrew the threaded pins ① on the heat sink.
4. Unscrew the remaining screws ② on the heat sink.
5. Slide out the heat sink in the direction of the arrow and place the enclosure part on the
cooling fins.
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