Siemens 300911 fault code meaning

Series: SIMODRIVE 611D

Error in one monitoring channel

servo drive

Meaning: The mutual comparison of the two monitoring channels has found a difference between input data or results of the monitoring operations. One of the monitors no longer functions reliably, i.e. safe operation is no longer possible.

Possible causes

Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS