Operating instructions

Alarm, error, and system messages
13.3 BIOS beep codes
SIMATIC Panel PC 677B
Operating Instructions, 05/2007, A5E01035609-01
157
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.