Siemens Micromaster 440 or MM440 Drive
2
Posts
1
Users
0
Reactions
264
Views
Jun 12, 2022 9:56 am
How can resolve problem A0506 alarm in siemens micromaster 440 or MM440 drive ?
1 Reply
Jun 12, 2022 9:56 am
Cause : Inverter duty cycle - Difference between heatsink and IGBT junction temperature exceeds warning limits.
Diagnosis & Remedy - Check that duty cycle and shock loads lie within specified limits