What it means
On a SINAMICS Terminal Module (TM), A35930 signals that an error occurred while evaluating the temperature sensor connected to channel 10 — the measured resistance lies outside the permissible range for the connected sensor type. Depending on how the drive is configured, the same condition can also be output as a fault (F) or as a message without a reaction (N).
Why it appears
- The Terminal Module detected an error while evaluating the temperature sensor on channel 10.
- The alarm value in r2124 tells which situation the drive has found: a wire break or a sensor that is not connected, or a measured resistance that is too low for the sensor type (see the alarm value decoding below).
What to check
- Read the alarm value in r2124 — interpret it as a decimal number: 1 means wire breakage or sensor not connected, 2 means the measured resistance is too low.
- Make sure that the sensor is connected correctly.
- Replace the sensor.
Reading the message value
- The drive stores the alarm value in r2124; interpret the value as a decimal number.
- 1: Wire breakage or sensor not connected. KTY84: R > 2170 Ohm, PT100: R > 194 Ohm, PT1000: R > 1944 Ohm
- 2: Measured resistance too low. PTC thermistor: R < 20 Ohm, KTY84: R < 180 Ohm, PT100: R < 60 Ohm, PT1000: R < 603 Ohm
Parameters the manual names
- r2124 — alarm value of this message; read it as a decimal number to see whether the Terminal Module found a wire break or a sensor not connected (1) or a resistance that is too low (2) on channel 10.
Acknowledging and restarting
As an alarm, A35930 requires no acknowledgment. If the drive's configuration outputs the same condition as a fault, it is acknowledged immediately via POWER ON; the no-reaction (N) variant likewise needs no acknowledgment.
The same on every family
Every manual that describes A35930 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | NONE | NONE | External measured value / signal state outside the permissible range (16) | Terminal Module (TM) | SINAMICS S120, S150 List Manual · p. 3248 |
| G130, G150 | NONE | NONE | External measured value / signal state outside the permissible range (16) | Terminal Module (TM) | SINAMICS G130, G150 List Manual · p. 1910 |
The drives this code lives on
A35930 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 alarm A35930 mean on a SINAMICS drive?
A Terminal Module (TM) has found an error while evaluating the temperature sensor on channel 10. Alarm value 1 in r2124 means wire breakage or the sensor is not connected; value 2 means the measured resistance is too low.
How do I fix A35930?
Make sure the temperature sensor is connected correctly and replace the sensor if the message persists. The alarm itself needs no acknowledgment.
Which resistance thresholds belong to A35930?
For alarm value 1 (wire breakage / not connected): KTY84 above 2170 Ohm, PT100 above 194 Ohm, PT1000 above 1944 Ohm. For alarm value 2 (resistance too low): PTC thermistor below 20 Ohm, KTY84 below 180 Ohm, PT100 below 60 Ohm, PT1000 below 603 Ohm.
Does A35930 stop the drive?
No — the condition has no reaction in either the alarm or the fault variant, so the drive keeps running. If it appears as a fault, it is acknowledged immediately via POWER ON.
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 A35xxx group · SINAMICS manuals · Siemens manuals