Maintenance and service

12.4 Installing and removing hardware components

Preparation

Note

The configuration data of the device are deleted when the battery is replaced.

5. Note down the current settings of the BIOS Setup.

A list in which you can note down this information is found in the BIOS manual. 6. Disconnect the device from mains and unplug all cables.

Replacing the battery

Follow the steps outlined below:

Steps for replacing the battery

1Open the device.

2Disconnect the plug (1) and take the battery (2) out of the retainer.

3Place a new battery in the holder and reconnect the battery plug.

4Close the device.

Reconfiguring the BIOS Setup

When a battery is exchanged, the configuration data of the device are lost and must be reentered in the BIOS setup.

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SIMATIC Panel PC 877

Operating instructions, Release 07/2006, A5E00877780-01

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Siemens PANEL PC 877 Replacing the battery, Reconfiguring the Bios Setup, Steps for replacing the battery