Siemens A30251 fault code meaning
Siemens / A30251
Series: G200, G210, G210X
Power unit: Rectifier overheat
converter
Meaning: The rectifier has overheated and reached the alarm threshold. The overheat response is set via p0290. If the rectifier temperature continues to rise 5K, fault F30037 will be triggered.
Possible causes
Source: SINAMICS G200 converter P767; SINAMICS G210 converter P1207; SINAMICS G210X converter P1033
Series: G220
Power unit: Rectifier overheat
converter
Meaning: The rectifier has overheated and reached the alarm threshold. Set the overheat response using p0290. If the rectifier temperature continues to rise 5K, fault F30037 is triggered. Faults and alarms 5.2 List of faults and alarms SINAMICS G220 Converter Parameter Manual, 07/2026, FW V6.7, A5E51781505C AD 1461
Possible causes
Source: SINAMICS G220 Converter P1463
Series: S200
Power unit: Rectifier overheat
servo drive
Meaning: The rectifier has overheated and reached the alarm threshold. The overheat response is set via p0290. If the rectifier temperature continues to rise 5K, fault F30037 will be triggered.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P564
Series: S220
Power unit: Rectifier overheat
converter
Meaning: The rectifier has overheated and reached the alarm threshold. The overheat response is set using p0290. If the rectifier temperature continues to rise 5K, fault F30037 is triggered. Faults and alarms 5.5 Fault and alarm list SINAMICS S220 Converter Parameter Manual, 08/2026, FW V6.7, A5E53307549F AB 2479
Possible causes
Source: SINAMICS S220 Converter P2481