Siemens SINAMICS G120 - A32940 (F, N) Encoder 2: Spindle sensor S1 voltage incorrect; F33142 (N, A) Encoder 3: Battery voltage fault; F33152 (N, A) Encoder 3: Maximum input frequency exceeded; F33160 (N, A) Encoder 3: Analog sensor channel A failed

4 Faults and alarms
4.2 List of faults and alarms
SINAMICS G120 Control Units CU240B-2/CU240E-2
892 List Manual (LH11), 01/2016, A5E33839529
The following information is contained in the TXT file:
- Display of the last written BIN file.
- Number of write operations that are still possible (from 10000 downwards).
Note:
Only Siemens can evaluate the BIN files.
Remedy: Not necessary.
The alarm disappears automatically.
The data logger is ready to record the next fault case.
A32940 (F, N) Encoder 2: Spindle sensor S1 voltage incorrect
Message class: Application/technological function faulted (17)
Reaction: NONE
Acknowledge: NONE
Cause: The voltage of analog sensor S1 is outside the permissible range.
Fault value (r0949, interpret decimal):
Signal level from sensor S1.
Note:
A signal level of 500 mV corresponds to the numerical value 500 dec.
Remedy: - check the clamped tool.
- check the tolerance and if required, adapt (p5040).
- check the thresholds and if required, adapt (p5041).
- check analog sensor S1 and connections.
F33142 (N, A) Encoder 3: Battery voltage fault
Message class: Error in the parameterization / configuration / commissioning procedure (18)
Reaction: OFF1 (IASC/DCBRK, NONE, OFF2, OFF3, STOP2)
Acknowledge: IMMEDIATELY
Cause: When switched-off, the encoder uses a battery to back up the multiturn information. The battery voltage is no longer
sufficient to check the multiturn information.
Remedy: Replace battery.
F33152 (N, A) Encoder 3: Maximum input frequency exceeded
Message class: Error in the parameterization / configuration / commissioning procedure (18)
Reaction: OFF1 (IASC/DCBRK, NONE, OFF2, OFF3, STOP2)
Acknowledge: PULSE INHIBIT
Cause: The maximum input frequency of the encoder evaluation has been exceeded.
Fault value (r0949, interpret decimal):
Actual input frequency in Hz.
Remedy: - reduce the speed.
- Use an encoder with a lower pulse number (p0408).
F33160 (N, A) Encoder 3: Analog sensor channel A failed
Message class: Actual position/speed value incorrect or not available (11)
Reaction: OFF1 (IASC/DCBRK, NONE)
Acknowledge: PULSE INHIBIT
Cause: The input voltage of the analog sensor is outside the permissible limits.
Fault value (r0949, interpret decimal):
1: Input voltage outside detectable measuring range.
2: Input voltage outside the measuring range set in (p4673).
3: The absolute value of the input voltage has exceeded the range limit (p4676).
Remedy: For fault value = 1:
- check the output voltage of the analog sensor.
For fault value = 2:
- check the voltage setting for each encoder period (p4673).
For fault value = 3:
- check the range limit setting and increase it if necessary (p4676).