ABB IRC5 Operating Manual page 134

5 Troubleshooting by event log
5.4 2 xxxx
Continued
Signal Name: arg.
Recommended actions
20287, Not Unique I/O-signal For System Input
Description
Each System Input must have a unique I/O-signal configured.
It is not possible to configure same I/O-signal to several System
Inputs.
System Input: arg.
Signal Name: arg.
20288, Unknown System Output Type
Description
The configured System Output type is unknown by the system.
Unknown System Output: arg.
Recommended actions
Verify that the System Output name is correctly spelled.
20289, Unknown System Input Type
Description
The configured System Input type is unknown by the system.
Unknown System Input: arg.
Recommended actions
Verify that the System Input name is correctly spelled.
20290, Unknown Mechanical Unit Name For
System Output
Description
A System Output is configured with a mechanical unit name
which is unknown by the system.
System Output: arg.
Mechanical unit name: arg.
Recommended actions
The specified mechanical unit must be configured in order to
be used by System Outputs.
Verify that the mechanical unit name is correctly spelled.
20291, Unknown System Input Restriction Type
Description
The configured System Input Restriction Type is unknown by
the system.
Unknown System Input Restriction: arg.
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Recommended actions
Verify that the System Input Restriction name is correctly
spelled.
20292, Unknown System Input Restriction
Description
The configured System Input Restriction is unknown by the
system.
System Input Restriction Type: arg.
Unknown System Input Restriction: arg.
Recommended actions
Verify that the System Input Restriction name is correctly
spelled.
20293, The Requested Action is Restricted
Description
The requested arg is restricted by the system input arg set by
I/O signal arg.
Consequences
The action called for will not take place.
Probable causes
System input arg may be set by external equipment, such as
PLCs, etc. for a number of reasons.
Recommended actions
Investigate why the system input was set, and, if required,
correct the reason.
20294, Action arg cannot be fulfilled.
Description
The requested action cannot be fulfilled since the IO unit is not
responding.
Consequences
It is not possible to decide if there are any restrictions set to
the action.
Probable causes
The requested action will not be fulfilled until the I/O unit is
enabled again.
Recommended actions
Never disable a unit with System Inputs/Outputs.
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Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA