Siemens 6RA70 DC Drive
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Jun 13, 2022 9:00 am
How can resolve problem A030 alarm in siemens 6RA70 DC Drive ?
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Jun 13, 2022 9:00 am
Cause : Commutation failure or overcurrent has occurred (active in operating states of – –, I, II)
Possible error causes
♦ Mains voltage dip in regenerative feedback mode
♦ Current control loop not optimized
