Diagnostics; Troubleshooting Procedure - Siemens SINUMERIK 840D sl Function Manual

Diagnostics

11.1

Troubleshooting procedure

● The alarms that have been activated in response to an error are output in the "DIAGNOSIS
- ALARMS" screen. When required, the safety alarms can be suppressed in the diagnostics
display using the "Filter out SI alarms" softkey.
● For Alarm 27090 "Error for crosswise Data comparison NCK-PLC", the cause of the error
(the incorrect SPL variable) is displayed in the alarm output.
● For Alarm 27254 "PROFIsafe: F-module, error on channel", the input/output channel with
error for modules belonging to the ET 200 series, is displayed in the alarm output.
● For Alarm 27001 "Defect in a monitoring channel", the fine error code is also displayed in
the alarm output.
● For Alarm C01711 "SI Motion defect in a monitoring channel" the fine error code is displayed
in the alarm output. The cause of the alarm can be read out in screen "Commissioning -
Machine data - Drive MD" using parameter r9725 "SI Motion diagnostics STOP F".
● The actual crosswise data comparison of the drive monitoring channel is displayed in
diagnostic screen "Status SI" - in line "STOP F code value".
● For Alarms F01611/F30611 "Defect in a monitoring channel", the fine error code is
displayed in the alarm output. The actual error search of this alarm is additionally displayed
in parameters r9795/r9895.
Note
Different error codes may be displayed for the NCK and drive monitoring channels.
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
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