Siemens 300850 fault code meaning
Siemens / 300850
Series: SIMODRIVE 611D
Incorrect speed control adaptive parameter settings
servo drive
Meaning: The upper adaptation speed MD 1412: $MD_SPEEDCTRL_ADAPTSPEED_2 (upper adaptation speed) is less than the lower adaptation speed MD 1411: $MD_SPEEDCTRL_ADAPTSPEED_1 (lower adaptation speed).
Possible causes
Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS