Entry type: Product note Entry ID: 4168423, Entry date: 08/27/1996
Problems with the 6ES5 355-3UA11 Memory Module
Concerns products with the Order Nos.: 6ES5 355-3UA11 355 Memory module for S5-155U 6ES5 155-3UA11 S5-155U Central controller 6ES5 155-3UA21 S5-155U Central controller 6ES5 946-3UA21 CPU 946 for S5-155U (multi-processor version) 6ES5 946-3UR11 CPU 946 for S5-155H Some of the 355 memory modules shipped since July, 1990 cause a hard STOP of the CPU 946/947 during startup (System Fault LED on CPU 946 lights up). Please return any affected memory modules to your local Siemens office for repair. _______________________________
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