Self-Test Of The Simatic Box Pc 620 Before Booting - Siemens SIMATIC Box PC 620 Manual

7.2

Self-Test of the SIMATIC Box PC 620 before Booting

When the PC is powered up, it runs a self-test (POST = Power On Self Test). If the
POST detects a fault, it outputs the sequence of beeps (beep code) assigned for
the fault. Each beep code consists of 2 x 2 sequences.
Conversion table for the beep codes to hexadecimal representation:
Example:
B
3
Check shutdown code
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04
Beeps
B
B
B
B
BB
BB
BB
BB
BBB
BBB
BBB
BBB
BBBB
BBBB
BBBB
BBBB
BBBB BBB BBB
6
B
BB
BBB
BBBB
B
BB
BBB
BBBB
B
BB
BBB
BBBB
B
BB
BBB
BBBB
Beeps
Hex-Code
Meaning
Error Diagnosis
Hex-Code
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
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