What it means
A07094 is raised when a parameter value violates the limits that are valid for that parameter. The drive does not keep the impermissible value; it adapts the parameter automatically. If the minimum limit was violated, the parameter is set to its minimum value; if the maximum limit was violated, it is set to its maximum value. The alarm triggers no drive reaction and does not have to be acknowledged. Which parameter was adapted is shown twice: in the alarm value r2124, interpreted as a decimal number, and in the message value of the alarm, which names the affected parameter.
Why it appears
- A parameter value lies below the minimum limit valid for the parameter, and the drive has automatically set the parameter to the minimum value.
- A parameter value lies above the maximum limit valid for the parameter, and the drive has automatically set the parameter to the maximum value.
What to check
- Read the alarm value in r2124, interpreting it as a decimal number: it contains the number of the parameter whose value had to be adapted.
- Check the adapted value of this parameter; depending on which limit was violated, the drive has set it to the parameter's minimum or maximum value.
- If required, correct the adapted parameter values.
Reading the message value
- The message value identifies the affected parameter (
Parameter: %1
). - Alarm value (r2124, interpret decimal): the parameter number whose value had to be adapted.
Parameters the manual names
- r2124 (alarm value) — read as a decimal number it contains the number of the parameter whose value had to be adapted, so it tells you which parameter to check for this alarm.
Acknowledging and restarting
No acknowledgement is required. The remedial action is to check the parameter identified in r2124 and, if required, correct the value the drive adapted.
What differs between the drive families
Straight from the manuals' own fields — A07094 is not described identically everywhere.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| G130, G150 | NONE | NONE | Hardware/software error (1) | None | SINAMICS G130, G150 List Manual · p. 1539 |
| S120, S150 | NONE | NONE | Hardware/software error (1) | None | SINAMICS S120, S150 List Manual · p. 2787 |
| G120 | NONE | NONE | Hardware/software error (1) | — | SINAMICS G120 · p. 874 |
| G120XA | NONE | NONE | — | — | SINAMICS G120XA PN converter · p. 1123 |
The drives this code lives on
A07094 is described for G120, G120XA, G130, G150, S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does alarm A07094 mean on a SINAMICS drive?
A parameter was given a value outside the limits valid for it, and the drive automatically corrected the value. If the minimum limit was violated the parameter was set to its minimum value, and if the maximum limit was violated it was set to its maximum value.
How can I find out which parameter triggered A07094?
Read the alarm value in r2124 and interpret it as a decimal number; it contains the number of the parameter whose value had to be adapted. The message value of the alarm also names the affected parameter.
Does A07094 have to be acknowledged?
No, the alarm requires no acknowledgement. The only action is to check the parameter identified in r2124 and correct the adapted value if required.
Why was my parameter value changed without my doing?
Because the value violated the parameter's minimum or maximum limit, the drive adapted it automatically to that limit and raised A07094. The parameter number is in r2124, interpreted as a decimal.
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 A07xxx group · SINAMICS manuals · Siemens manuals