What it means
A02085 (Message function: Parameterization error) is raised when the drive identifies a parameterization error while starting the variable message function on an S120 or S150. The alarm states the affected parameter and its index directly in its message value, so the wrongly set parameter can be located before any other checks begin.
Why it appears
- While starting the variable message function, the drive identified an error in the parameterization belonging to this function.
What to check
- Read the alarm value in r2124 as a decimal number of the form yyxxxx: yy gives the index, xxxx gives the number of the parameter that is set incorrectly.
- Check the basic settings of the function: start (p3290), input signal source (p3291), signal source address (p3292) and signal source data type (p3293).
- Verify the signal evaluation settings as well: threshold value (p3295), hysteresis (p3296), pickup delay (p3297), dropout delay (p3298) and sampling time (p3299).
- Correct the parameter identified and restart the variable message function.
Reading the message value
- The message value names the faulty parameter (%1) and its index (%2).
- The alarm value in r2124, interpreted as a decimal number, follows the pattern yyxxxx dec: yy = index, xxxx = parameter.
Parameters the manual names
- r2124 — alarm value of this alarm; read it as a decimal number yyxxxx to find the faulty parameter (xxxx) and its index (yy).
- p3290 — starts the variable signaling function; check the setting and use it to stop and restart the function.
- p3291 — sets the signal source (CI) of the input signal; check the entry.
- p3292 — sets the address of the signal source; check the entry.
- p3293 — sets the data type of the signal source; check the entry.
- p3295 — threshold value of the function; check the setting.
- p3296 — hysteresis of the function; check the setting.
- p3297 — pickup delay of the function; check the setting.
- p3298 — dropout delay of the function; check the setting.
- p3299 — sampling time of the function; check the setting.
Acknowledging and restarting
No acknowledgment action is required. The alarm is withdrawn automatically as soon as the variable message function is stopped, or once it has been started successfully after the parameter was corrected.
The same on every family
Every manual that describes A02085 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | NONE | NONE | Error in the parameterization / configuration / commissioning procedure (18) | Power Module | SINAMICS S120, S150 List Manual · p. 2733 |
The drives this code lives on
A02085 is described for S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does alarm A02085 mean on a SINAMICS S120?
It reports that a parameterization error was identified when starting the variable message function. One of the parameters belonging to this function is set incorrectly.
How can I see which parameter triggered A02085?
Read the alarm value in r2124 as a decimal number yyxxxx: yy is the index and xxxx is the parameter number. The message value of the alarm also states the parameter and index directly.
How do I clear A02085?
Correct the faulty parameter and restart. The alarm withdraws itself when the variable message function is stopped or starts successfully, so no acknowledgment is needed.
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 A02xxx group · SINAMICS manuals · Siemens manuals