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Fault in Siemens ET200S

A

Thread Starter

Amir

Hi to all,

I have Fault in Siemens ET200S (6es7 151-1aa03-0ab0) from time to time. several of ET200S connect to S7-400 via profibus. occasionally one of the ET200S is not connected and the fault LED are ON in this succession:

1. 8 time the SF LED flashing
2. then 3 time the BF LED flashing in cyclic form

anyone can help my to solve this problem?

Thanking you in advance.
 
T

Tom Chubb

Try checking that the rack is correctly assembled and all cards are firmly in place. Also make sure the end plate/resistor is in place. You need to clear the SF before you'll be able to clear the bus fault.
 
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