Siemens PANEL PC 877 Manuale Utente

Alarm, error and system messages 

 

13.2 Introduction to the BIOS beep codes 

 

SIMATIC Panel PC 877 

13-4

 

Operating instructions, Release 07/2006, A5E00877780-01 

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.