What it means
A01486 is the alarm the drive raises when the topology comparison detects a DRIVE-CLiQ component missing in the actual topology with respect to the target topology — the project expects a component at a connection where no component is actually inserted. The drive takes no automatic action; the message points to a configuration or commissioning mismatch rather than a tripped condition. The message value names the component that has not been inserted and the component and connection where it was expected. Where relevant, the commissioning software offers improved diagnostics capability under Topology --> Topology view (for example a setpoint/actual value comparison).
Why it appears
- The topology comparison has detected a DRIVE-CLiQ component missing in the actual topology with respect to the target topology: the connected hardware does not match the component and connection the project expects.
What to check
- Correct whichever topology is wrong: insert the components involved at the right connection (this corrects the actual topology), or adapt the project/parameterization in the commissioning software (this corrects the target topology).
- Check the 24 V supply voltage.
- Check the DRIVE-CLiQ cables for interruption and contact problems.
- Check that the component is working properly.
Reading the message value
- The message value reads "Component: %1, to %2, %3, connection: %4": %1 is the component number of the component that has not been inserted, while %2 (component class), %3 (component number) and %4 (connection number) describe the component at whose connection the component has not been inserted.
- The drive additionally stores the alarm value in r2124, to be interpreted hexadecimal as ddccbbaa hex: dd = connection number (%4), cc = component number (%3), bb = component class (%2), aa = component number of the component that has not been inserted (%1).
- How the component class and the connection number are coded is described under F01375.
Parameters the manual names
- r2124 (alarm value) — read it hexadecimal as ddccbbaa to obtain the connection number, the component number, the component class and the component number of the component that has not been inserted.
Acknowledging and restarting
No acknowledgement is required for this alarm. The remedy is to remove the difference between the topologies themselves: insert the missing DRIVE-CLiQ component at the right connection, or adapt the project/parameterization so the target topology matches the hardware that is actually connected.
The same on every family
Every manual that describes A01486 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| G130, G150 | NONE | NONE | Error in the parameterization / configuration / commissioning procedure (18) | None | SINAMICS G130, G150 List Manual · p. 1422 |
| S120, S150 | NONE | NONE | Error in the parameterization / configuration / commissioning procedure (18) | None | SINAMICS S120, S150 List Manual · p. 2613 |
The drives this code lives on
A01486 is described for G130, G150, S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does alarm A01486 mean on a SINAMICS drive?
The topology comparison has detected a DRIVE-CLiQ component missing in the actual topology with respect to the target topology — the project expects a component at a connection where none is actually inserted.
How do I fix A01486?
Either insert the components involved at the right connection to correct the actual topology, or adapt the project/parameterization in the commissioning software to correct the target topology. If the hardware is in doubt, check the 24 V supply, the DRIVE-CLiQ cables for interruption and contact problems, and whether the component is working properly.
Does A01486 need to be acknowledged?
No. The alarm requires no acknowledgement; it is resolved by correcting the actual or the target topology.
How can I tell which DRIVE-CLiQ component is missing?
The message value names the component and the connection, and the alarm value in r2124 (read hexadecimal as ddccbbaa) gives the connection number, component number, component class and the number of the missing component. Under Topology --> Topology view the commissioning software offers improved diagnostics where relevant.
Codes next to this one
Source
Written from Siemens' own List Manuals and operating instructions; every number, designation and parameter on this page is checked against them before publication.
All SINAMICS codes: fault and alarm codes · the A01xxx group · SINAMICS manuals · Siemens manuals
