What it means
F32801 reports a DRIVE-CLiQ communication error between the Control Unit (CU) and the encoder connected as encoder 2. The fault cause is 10 (= 0A hex): The sign-of-life bit in the receive telegram is not set
— in other words, the telegrams from the encoder no longer arrive with their sign-of-life marking. The same condition can also be output as an alarm or with no reaction, depending on how the drive is configured.
Why it appears
- A DRIVE-CLiQ communication error has occurred between the Control Unit and the encoder involved.
- Fault cause 10 (= 0A hex): the sign-of-life bit in the receive telegram is not set.
What to check
- Check the electrical cabinet design and the cable routing for EMC compliance.
- Replace the component involved.
Reading the message value
- The message value carries two items of information: the component number (%1) and the fault cause (%2).
- The drive codes this as 0000yyxx hex: yy = component number, xx = error cause.
- You read the coded value in r0949 (fault value) or r2124 (alarm value). For this fault the error cause is 10 (= 0A hex).
Parameters the manual names
- r0949 (fault value): read the coded message value 0000yyxx hex here to see which component reported the fault and which error cause applies.
- r2124 (alarm value): the manual gives the same 0000yyxx hex coding for the alarm value, which applies when the condition is signalled as an alarm.
- p9916 (DRIVE-CLiQ data transfer error shutdown threshold slave, DQ fault slave): named by the manual for G130 and G150 in direct connection with this fault.
Acknowledging and restarting
The manuals require IMMEDIATE acknowledgement for this fault. Once the DRIVE-CLiQ connection to the encoder is intact again — the checks above have been carried out and, if necessary, the component involved replaced — acknowledge the fault so the drive can be restarted.
What differs between the drive families
Straight from the manuals' own fields — F32801 is not described identically everywhere.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | Servo: OFF1 (IASC/DCBRK, NONE, OFF2, OFF3) Vector: OFF1 (IASC/DCBRK, NONE, OFF2, OFF3) Hla: OFF1 (NONE, OFF2, OFF3) | IMMEDIATELY | Internal (DRIVE-CLiQ) communication error (12) | Control Unit (CU) | SINAMICS S120, S150 List Manual · p. 3114 |
| G130, G150 | OFF1 (IASC/DCBRK, NONE, OFF2, OFF3) | IMMEDIATELY | Internal (DRIVE-CLiQ) communication error (12) | Control Unit (CU) | SINAMICS G130, G150 List Manual · p. 1792 |
The drives this code lives on
F32801 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 fault F32801 mean on a SINAMICS drive?
It reports a DRIVE-CLiQ communication error between the Control Unit and encoder 2. Fault cause 10 (= 0A hex) means the sign-of-life bit in the receive telegram is not set.
How do I clear F32801?
Check the electrical cabinet design and cable routing for EMC compliance and replace the component involved. Afterwards the fault must be acknowledged immediately before the drive can restart.
Where can I read the message value of F32801?
In r0949 (fault value) or r2124 (alarm value), coded 0000yyxx hex: yy = component number, xx = error cause. For this fault the error cause is 10 (= 0A hex).
Can F32801 also appear as an alarm?
Yes. Depending on the drive configuration, the same condition can also be signalled as an alarm or with no reaction; the coded value then also appears in the alarm value r2124.
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 F32xxx group · SINAMICS manuals · Siemens manuals