Siemens 300859 fault code meaning

Series: SIMODRIVE 611D

generator mode

servo drive

Meaning: The value in MD 1631: $MD_LINK_VOLTAGE_GEN_ON (response voltage for generator axis) is greater than MD1630: $MD_LINK_VOLTAGE_MON_THRESHOLD (response threshold for DC link monitoring).

Possible causes

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