BF/SF leds on

Hello every body.

i need your urgent help , i have cpu s7-318-2 connected to it 4 IM 151-1 and 2 festo modules cp fb-13 and 1 heating unit HS 724 and one IM 153-2 redundant module and 2 simodrives . all give blinking BF 1 HZ and continuous SF led for all except heating module and one fesro module some times works and sometimes don't, i tried every thing all cables have no short circuit no cuts and the shield is ok .

i checked pin 3 and 8 for each socket and all were good , when i make online connection through profibus it can recognize every module but it is not available "configured and inserted modules mismatch" so please help in this problem because it drive me crazy .

i send you a screen shot of online configuration and diagnostic messages

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