Zeror.ai Error Codes Siemens A00504

Siemens A00504

Brand: SiemensModel: SINAMICS G120Error code: A00504

What the Fault Means

Alarm: Inverter OverTemperature

Likely causes

  • Ambient temperature must lie within specified limits
  • Load conditions and load steps must be appropriate
  • Fan must turn when drive is running

Solution and Safe First Checks

  1. Ambient temperature must lie within specified limits
  2. Load conditions and load steps must be appropriate
  3. Fan must turn when drive is running

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Siemens error codes

Source: the Zeror.ai industrial fault database and Siemens technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.