Siemens Sinumerik 840D sl Diagnostic Manual page 1015

03/2009
400272 Direct keys 2 communication error, internal error code: %Z
Definitions: Communication error between CP and PLC.
Reaction: Alarm display.
Remedy: Check OpKey parameter
Program Con- Internal
tinuation:
400274 Direct keys 1 failed
Definitions: Direct keys 1: internal timeout has expired.
Reaction: Alarm display.
Remedy: Check connection to direct key module
Program Con- Internal
tinuation:
400275 Direct keys 2 failed
Definitions: Direct keys 2: internal timeout has expired.
Reaction: Alarm display.
Remedy: Check connection to direct key module
Program Con- Internal
tinuation:
400276 Pointer parameter direct keys 1 incorrect
Definitions: Pointer incorrectly defined
Reaction: Alarm display.
Remedy: Correct the pointer
Program Con- Switch control OFF - ON.
tinuation:
400277 Pointer parameter direct keys 2 incorrect
Definitions: Pointer incorrectly defined
Reaction: Alarm display.
Remedy: Correct the pointer
Program Con- Switch control OFF - ON.
tinuation:
400551 Fault on MPI/DP bus
Definitions: Error detected on I/O bus
Reaction: Alarm display.
Remedy: Check I/Os, rectify I/O fault
Program Con- Internal
tinuation:
400552 Fault on DP bus
Definitions: Error detected on I/O bus
Reaction: Alarm display.
Remedy: Check I/Os, rectify I/O fault
Program Con- Internal
tinuation:
400553 Fault on PROFINET bus
Definitions: Error detected on I/O bus
Reaction: Alarm display.
Remedy: Check I/Os, rectify I/O fault
Program Con- Internal
tinuation:
© Siemens AG 2009 All Rights Reserved
SINUMERIK 840D sl, 840Di sl, SINAMICS, Diagnostics Manual (DAsl), 03/2009
Overview of Alarms
PLC alarms
2-1015