Siemens G120 fault codes (2025)

Siemens G120 Frequency Converter: Alarm and Fault Management

Parameters and Settings
- Alarm and Fault Codes: Displayed with parameters like r2122, r0945.
- Alarm and Fault Values: Additional information is displayed with parameters like r2124, r0949.
- Time Information: Alarm/fault times are displayed with parameters like r2123, r2125, r0948, r2109.
- Extended Settings: The behavior of specific alarms/faults can be modified with parameters like p2118, p2119.

F01000: Internal software error. (more detail >>)
F01001: FloatingPoint exception. (
more detail >>)
F01015: Internal software error. (
more detail >>)
F01018: Power-up aborted more than once. (
more detail >>)
A01028: Configuration error. (
more detail >>)
F01033: Unit switchover: Reference parameter value invalid. (
more detail >>)
F01034: Unit switchover: Calculation of the parameter values after reference value change unsuccessful. (
more detail >>)
F01040: Parameters must be saved. (
more detail >>)
F01044: Loading memory data card defective. (
more detail >>)
F01105: CU: Insufficient memory. (
more detail >>)
F01122: Frequency at the probe input too high. (
more detail >>)
F01205: CU: Time slice overflow. (
more detail >>)
F01250: CU hardware fault. (
more detail >>)
F01512: An attempt has been made to establish a conversion factor for scaling which does not exist. (
more detail >>)
A01590: Motor maintenance interval elapsed. (more detail >>)
F01600: STOP A initiated. (
more detail >>)
F01625: Sign-of-life error in the Safety data. (
more detail >>)
F01650: Acceptance test required. (
more detail >>)
F01659: Write task for parameter rejected. (
more detail >>)
F01662: Error, internal communications. (
more detail >>)
A01666: Static 1 signal at the F-DI for safe acknowledgement. (
more detail >>)
A01698: Commissioning mode active for safety functions. (
more detail >>)
A01699: Switch-off signal path test required. (
more detail >>)
A01900: PROFIBUS: Configuration telegram faulty. (
more detail >>)
A01910 / F01910: Fieldbus SS setpoint timeout. (
more detail >>)
A01920: PROFIBUS: Cyclic connection interrupt. (
more detail >>)
F03505: Analog input, wire break. (
more detail >>)
A03520: Temperature sensor fault. (
more detail >>)
A05000, A05001, A05002, A05004, A05006: Power Module overtemperature. (
more detail >>)
F06310: Supply voltage (p0210) incorrectly parameterized. (
more detail >>)
F07011: Motor overtemperature. (
more detail >>)
A07012: I2t motor model overtemperature. (
more detail >>)
A07015: Motor temperature sensor alarm. (
more detail >>)
F07016: Motor temperature sensor fault. (
more detail >>)
F07086, F07088: Unit switchover: Parameter limit violation. (
more detail >>)
F07320: Automatic restart aborted. (
more detail >>)
A07321: Automatic restart active. (more detail >>)
F07330: Search current measured too low. (
more detail >>)
A07400: VDC_max controller active. (
more detail >>)
A07409: V/f control, current limiting controller active. (
more detail >>)
F07426: Technology controller actual value limited. (
more detail >>)
A07444: PID autotuning is activated. (
more detail >>)
F07445: PID autotuning canceled. (
more detail >>)
F07801: Motor overcurrent. (
more detail >>)
A07805: Drive: Power unit overload I2t. (
more detail >>)
F07807: Short-circuit detected. (
more detail >>)
A07850: External alarm 1. (
more detail >>)
F07860: External fault 1. (
more detail >>)
F07900: Motor blocked. (
more detail >>)
F07901: Motor overspeed. (
more detail >>)
F07902: Motor stalled. (
more detail >>)
A07903: Motor speed deviation. (
more detail >>)
A07910: Motor overtemperature. (more detail >>)
A07920: Torque/speed too low. (
more detail >>)
A07921: Torque/speed too high. (
more detail >>)
A07922: Torque/speed out of tolerance. (
more detail >>)
F07923: Torque/speed too low. (
more detail >>)
F07924: Torque/speed too high. (
more detail >>)
A07927: DC braking active. (
more detail >>)
A07980: Rotary measurement activated. (
more detail >>)
A07981: No enabling for rotary measurement. (
more detail >>)
A07991: Motor data identification activated. (
more detail >>)
F08501: Setpoint timeout. (
more detail >>)
F08502: Monitoring time, sign-of-life expired. (
more detail >>)
F08510: Send configuration data not valid. (
more detail >>)
A08511: Receive configuration data not valid. (
more detail >>)
A08526: No cyclic connection. (
more detail >>)
A08565: Consistency error affecting adjustable parameters. (
more detail >>)
F13100: Know-how protection: Copy protection error. (
more detail >>)
F13101: Know-how protection: Copy protection cannot be activated. (
more detail >>)
F30001: Overcurrent. (
more detail >>)
F30002: DC-link voltage overvoltage. (
more detail >>)
F30003: DC-link voltage undervoltage. (
more detail >>)
F30004: Inverter overtemperature. (
more detail >>)
F30005: I2t inverter overload. (
more detail >>)
F30011: Line phase failure. (
more detail >>)
F30015: Motor cable phase failure. (
more detail >>)
F30021: Ground fault. (
more detail >>)
F30022: Power Module: Monitoring VCE. (more detail >>)
F30027: Time monitoring for DC link precharging. (
more detail >>)
F30035: Overtemperature, intake air. (
more detail >>)
F30036: Overtemperature, inside area. (
more detail >>)
F30037: Rectifier overtemperature. (
more detail >>)
A30049: Internal fan defective. (
more detail >>)
F30052: Incorrect Power Module data. (
more detail >>)
F30053: Error in FPGA data. (
more detail >>)
F30059: Internal fan defective. (
more detail >>)
F30074: Communications fault between Control Unit and Power Module. (
more detail >>)
A30502: DC link overvoltage. (
more detail >>)
F30662: CU hardware fault. (
more detail >>)
F30664: CU power up aborted. (
more detail >>)
F30850: Software fault in the Power Module. (
more detail >>)
A30920: Temperature sensor fault. (
more detail >>)
A50001: PROFINET configuration error. (
more detail >>)
A50010: PROFINET name of station invalid. (
more detail >>)
A50020: PROFINET: Second control missing. (more detail >>)

--6


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Siemens G120 fault codes (2025)
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