P179C03 Control unit 'DIRECT SELECT' has a malfunction. There is a frequency or pulse width modulation fault.
P179C03 Control unit 'DIRECT SELECT' has a malfunction. There is a frequency or pulse width modulation fault. Possible cause: A80 (Intelligent servo module for DIRECT SELECT) Affected functions: Drive position selection Test 1: Remedial action if control unit is faulty 'A80 (Intelligent servo module for DIRECT SELECT)' 1. Remedial action if control unit is faulty 'A80 (Intelligent servo module for DIRECT SELECT)' Operation number of operation texts and work units or standard texts and flat rates:270641Possible cause and remedy Internal fault in control unit Replace component A80 (Intelligent servo module for DIRECT SELECT). Additional measures Perform initial startup. Continue with button "F2" Initial startup The following procedure will guide you through all steps required to perform a complete initial startup of system ISM.Preconditions The new control unit must hav...