
4.9.3 Standard error messages
Emergency error messages are released within device-internal mechanisms and sent to
the EtherCAT master. The following standard error messages my occur:
To get more information about the error the EtherCAT master reads the AL Status Code
(AL = application layer). This is allocated in the EtherCAT coupler in register 0x0134.
EtherCAT specific error messages
Code
Description
Current State
Resulting State
0x0000
No error
Any
Current state
0x0001
Unspecified error
Any
Any + E
0x0002
No Memory
Any
Any + E
0x0011
Invalid requested state change
I > S, I > O, P >
O, O > B, S > B,
P > B
Current state + E
0x0012
Unknown requested state
Any
Current state + E
0x0013
Bootstrap not supported
I > B
I + E
0x0014
No valid firmware
I > P
I + E
0x0015
Invalid mailbox configuration
I > B
I + E
0x0016
Invalid mailbox configuration
I > P
I + E
0x0017
Invalid SyncManager configuration
P > S, S > O
Current state + E
0x0018
No valid inputs available
O, S > O
S + E
0x0019
No valid outputs
O, S > O
S + E
0x001A
Synchronization error
O, S > O
S + E
0x001B
SyncManager watchdog
O, S
S + E
0x001C
Invalid SyncManager Types
O, S, P > S
S + E
0x001D
Invalid Output Configuration
O, S, P > S
S + E
0x001E
Invalid Input Configuration
O, S, P > S
P + E
0x001F
Invalid Watchdog Configuration
O, S, P > S
P + E
0x0020
Coupler needs cold start
Any
Current state + E
0x0021
Coupler needs INIT
B, P, S, O
Current state + E
0x0022
Coupler needs PREOP
S, O
S + E, O + E
0x0023
Coupler needs SAFEOP
O
O + E
0x0024
Invalid Input Mapping
P > S
P + E
0x0025
Invalid Output Mapping
P > S
P + E
0x0026
Inconsistent Settings
P > S
P + E
0x0027
Free-run not supported
P > S
P + E
0x0028
Synchronization not supported
P > S
P + E
0x0029
Free-run needs 3 Buffer Mode
P > S
P + E
AL Status Code
VIPA System SLIO
Deployment
Error handling > Standard error messages
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