Siemens 6RA70 DC Drive
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Jun 13, 2022 8:34 am
How can resolve problem F079 fault in siemens 6RA70 DC Drive ?
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Jun 13, 2022 8:34 am
Cause : SCB1: Telegram failure (active in all operating states) Check function of SCB1 (activity LEDs) and connection to SCI slaves (fiber optics)
