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Siemens SINAMICS G120 CU240S Drive

Siemens SINAMICS G120 CU240S Drive Error Codes

Complete alarm and error code reference for the Siemens SINAMICS G120 CU240S Drive. Browse all 108 documented fault codes below, each linking to a detailed troubleshooting guide.

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Complete Alarm List

Inverter Over Temperature

Chip temperature rise exceeds critical levels.

Motor Over Temperature

Motor temperature signal lost

Mains Phase Missing

Powerstack fault

Output phase fault

F3E Dclink Ripple

Supply to Gate Driver Not Enabled

Overcurrent on W phase

Power limit exceeded during regeneration

EM brake overcurrent

Auto restart after n

Motor Data Identification Failure

Speed Control Optimisation Failure

Parameter EEPROM Fault

power stack Fault

BOP-EEPROM Fault

BOP contents incompatible

Par Cl. MMC-PS not fitted Fault

Par Cl. MMC-PS contents invalid

Par Cl. MMC-PS contents incompatible

Drive attempted to do an automatic clone during startup.

PLC setpoint fault

USS setpoint fault

USS Setpoint Fault

Control Panel setpoint fault

AI lost Input Signal

Encoder feedback loss

PID Feedback below min. Value

PID Feedback above max. Value

Configuration vector for the drive failed

Acceptance Test / Confirmation pending

PROFIBUS: DS101/DB101 (control pannel) failure.

Overvoltage limit

UnderVoltage Limit

Inverter OverTemperature

IGBT junction temperature rise warning

Inverter temp. signal lost

Motor OverTemperature I2T

F3E Dclink Ripple

Braking Resistor Overload

Motor Data Identification Active

Speed Control Optimisation Active

Speed deviation

MMC Plugged During Operation

Encoder feedback loss warning

RTOS Overrun Warning

PROFIBUS: Parameter or configuration error

PROFIBUS: DoubleWord error

PROFIBUS: no bus detection

PROFIBUS: no reference values

PROFIBUS: loose of links

PROFIBUS: timeout actual value

PROFIBUS: fatal SW error (e.g. hardware check, communication, V

PROFIBUS: wrong PB address at startup

--- not used ---

--- not used ---

CB communication error

CB configuration error

Vdc-max controller de-activated

Vdc-max controller active

Vdc-min Controller active

AO parameters not set properly.

No load applied to inverter

Both JOG Left and JOG Right are requested

PID Autotuning Active

Belt Failure Detected

Passivated STO with drive fault

System startup error

EEPROM inconsistent

Defect in cross comparis.

Diff. in hardw. detection

Maximum frequency exceeded

Frequency consistency fault

Error in hardw. environm.

Processor selftest faulty

Consecutive no. incorr.

Safe Brake Control faulty

PROFIsafe Driver Fault

Internal software error

Fault in safety parametr.

Fault at processor reset

Denial of paramet. change

Wrong safety checksum

Safety parameter changed

SLS signal inconsistency

Speed for SLS exceeded

Switch-on is inhibited

Wrong safety param. data

Safety commis./reset act.

Forced dynamis. required