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i have mm440 inverter which is on profibus. On the inverter screen a0703 bilking

8/17/2011 6:36 PM	Rate (0)
Gulshan448 Posts: 9 Rating: (0)	i have mm440 inverter which is on profibus. On the inverter screen a0703 bilking. Please tell me the solution. Splitted from CB Setpoint Fault F0070 while controlled by Terminals.
Gulshan448 Posts: 9 Rating: (0)	Last edited by: O_Moderator at: 8/18/2011 9:03 AM new subject after splitting
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8/18/2011 9:57 AM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, A0703 CB alarm 4 Cause - CB-(communications module)-specific Diagnosis & Remedy - refer to the CB User Manual From CB User manual: Cause: No setpoints, or invalid setpoints (control word = 0) are being received from the PROFIBUS master Remedy: Check setpoints from the PROFIBUS master. Switch SIMATIC CPU to "RUN". Best regards, Hristo Mihalev

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