Error
class
Compo-
nent or
Inter-
face
Device Module
Channel
Error
Error text
Remedy
E2
1 or 9
1 … 4
1
0
43
Internal error
For Safety PLC: Check
Safety PLC switch address
setting. Restart Safety PLC.
If this error persists, replace
Safety PLC
E2
1 … 4
255
30
1
48
Overvoltage or
undervoltage
detected
Restart Safety PLC. Check
Safety PLC setting for
power supply error. If this
error persists, replace
Safety PLC.
E2
1 … 4
255
30
1
43
Internal error
Contact ABB technical sup-
port. Replace Safety PLC.
E2
1 … 4
255
30
1
40
Wrong firm-
ware version
Update Safety PLC firm-
ware. Restart Safety PLC. If
this error persists, replace
Safety PLC.
E2
1 … 4
255
30
1
28
Boot project
download error
Reload boot project. If this
error persists, replace
Safety PLC.
E2
1 … 4
255
30
1
1
Wrong user
data
Delete user data from
Safety PLC. Restart Safety
PLC and write user data
again.
E2
1 … 4
255
30
1
0
Operation fin-
ished.
Change Safety PLC switch
address setting or remove
SD-Card from non-safety
PLC.
Restart Safety PLC. If this
error persists, replace
Safety PLC.
E2
1 … 4
255
30
1
18
Internal error
Contact ABB technical sup-
port. Replace Safety PLC.
E2
1 … 4
255
30
1
12
Flash read
error
Restart Safety PLC. If this
error persists, replace
Safety PLC. Contact ABB
technical support.
E2
1 … 4
255
30
2
18
Internal error
Contact ABB technical sup-
port. Replace Safety PLC.
E2
1 … 4
255
30
2
52
Internal error
Contact ABB technical sup-
port. Replace Safety PLC.
E2
1 … 4
255
30
2
43
Internal error
Contact ABB technical sup-
port. Replace Safety PLC.
AC500-S Safety Modules
SM560-S Safety CPU > Diagnosis and LED status display
30.03.2017
AC500-S
43