Siemens 300783 fault code meaning

Series: SIMODRIVE 611D

rotor resistance invalid

servo drive

Meaning: The value in drive MD 1138: $MD_ROTOR_COLD_RESISTANCE (cold rotor resistance) is less than or equal to zero or a format overflow has occurred. The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).

Possible causes

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