Zeror.ai Error Codes Siemens 2120

Siemens 2120

Brand: SiemensModel: Sinumerik 840D / 840D SL NC Sistem AlarmlarıError code: 2120

What the Fault Means

NCK fan alarmı

Likely causes

  • Fan hız izleme arızası tespit etti

Solution and Safe First Checks

  1. Fanı inceleyin ve bakımını yapın

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.