What it means
F37886 reports a DRIVE-CLiQ communication error from the HF Damping Module to the Control Unit: the module's data could not be sent. The manual lists exactly one fault cause for this code — cause 65 (= 41 hex), Telegram type does not match send list
. The fault concerns the HF Damping Module.
Why it appears
- DRIVE-CLiQ communication error from the HF Damping Module to the Control Unit — the data were not able to be sent.
- Fault cause 65 (= 41 hex):
Telegram type does not match send list
.
What to check
- Carry out a POWER ON — switch the drive's power supply off and back on again. This is the only remedy the manual describes for this fault.
Reading the message value
- The manual prints the message value as component number (%1) and fault cause (%2) and codes both into one word: 0000yyxx hex, where yy = component number and xx = error cause.
- The coded value is stored in r0949 (fault value) / r2124 (alarm value).
- For this code the error cause portion is 65 (= 41 hex) — the telegram type does not match the send list.
Parameters the manual names
- r0949 — fault value: read the coded message value of F37886 here (0000yyxx hex with component number and error cause).
- r2124 — alarm value: named together with r0949 as the register holding the coded value for this message.
Acknowledging and restarting
The fault must be acknowledged immediately. The only remedy the manual describes is a POWER ON; once the drive has powered up again, acknowledge the fault. No further reset or repair step is described.
The same on every family
Every manual that describes F37886 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | NONE | IMMEDIATELY | Internal (DRIVE-CLiQ) communication error (12) | None | SINAMICS S120, S150 List Manual · p. 3275 |
The drives this code lives on
F37886 is described for S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does fault F37886 mean on a SINAMICS S120 or S150?
It reports a DRIVE-CLiQ communication error: the HF Damping Module could not send its data to the Control Unit. The listed fault cause is 65 (= 41 hex), i.e. the telegram type does not match the send list.
How do I clear fault F37886?
Carry out a POWER ON — switch the drive's power supply off and back on. The fault is then acknowledged immediately; the manual describes no other remedy.
Where is the fault cause of F37886 stored?
In r0949 (fault value) or r2124 (alarm value), coded as 0000yyxx hex: yy is the component number and xx the error cause.
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 F37xxx group · SINAMICS manuals · Siemens manuals