118 ACS 400 User’s Manual
5211 CRC ERRORS
This diagnostic counter increases by one every time a message with a CRC error is received.
• Ambient noise levels may be too high.
• CRC calculation is not performed correctly.
5212 BUSY ERRORS
This diagnostic counter increases by one every time the ACS 400 receives a character from the bus while it
is still processing the previous message.
• There might be two stations with the same station number.
• Ambient noise levels may be too high.
5213 SER FAULT MEM 1
Last Modbus exception code sent.
5214 SER FAULT MEM 2
Previous Modbus exception code sent.
5215 SER FAULT MEM 3
Oldest Modbus exception code sent.
Code Description
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