Alarm, error and system messages

13.2 Introduction to the BIOS beep codes

Special codes

The following special code are provided in addition to the beep codes:

Special code

Meaning

3x short

The <Ins> key is pressed during the system start: The on-board device

 

installation is skipped. The on-board graphic controller is used as the default

 

display.

1x long 8x short

Error reading the MPI system information. Contact customer service.

4x short

MPI-EPROM programmed for the first time.

1x long 5x short

Ethernet error Contact customer service.

2x short

Error in checksum test of the BIOS:

 

This can occur following a battery replacement or when the battery is empty.

13-4

SIMATIC Panel PC 877

Operating instructions, Release 07/2006, A5E00877780-01

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Siemens PANEL PC 877 operating instructions Special codes, Special code Meaning