4.4.6 DIAG button
Pressing the DIAG has various functions depending on when it is pressed.
Requirements
Device Version (functional state)
6FC5317-5AA00-0AA0 FS: J
6FC5317-5AA00-0AA1 FS: A
Diagnostic data of the system bootloader
1. Insert a USB stick with FAT le system and directory "beiboot.log" into the NCU (X125/X135).
2. After switching on and while executing the "Beiboot", press the DIAG button on the NCU.
3. The DIAG-LED ashes yellow slowly.
4. If directory "beiboot-log" was found, le "YYYYMMDD-HHMMSS-CCC.txt"is created, which
contains the content of the usual detailed screen and the syslog from "Beiboot".
5. Once the operation has been completed, the DIAG-LED ashes green quickly
Diagnostic data of Operate (Didac)
Once the NCU has run-up, during operation, you can press the DIAG button at any time. This
generates le "out_20xx-xx-xxTxx_xx_xx.7z" in directory/card/user/sinumerik/didac.
This le contains all the relevant NCU diagnostic data.
4.5 Dual fan module
Functions of the dual fan module
The dual fan module cools the CPU with two redundant fans.
The temperature inside the NCU and the correct functioning of the fan are monitored. Fan
faults are displayed and can be read out by means of the diagnostic buer.
• Fan alarm ⇒ alarm 2110 "NCK temperature alarm": If one of the two fans no longer rotates
or the speed is out of tolerance.
• Fan fault ⇒ alarm 2120 "NCK fan alarm type %1": When none of the fans turn.
If the software does not respond within approx. 1 minute, the components are shut down
automatically.
You can nd more information on the alarms in the Diagnostics Manual.
Additional information on the diagnostics buer can be found in the Basic Functions
Function Manual, see PLC signal LBP_NC.E_ATempAlarm (fan temperature alarm).
Description
4.5Dual fan module
NCU 1750
Equipment Manual, 10/2023, A5E45627807B AH 43
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