Siemens SINUMERIK 840Di Diagnostic Manual page 314

Overview of Alarms
NCK alarms
16924 Channel %1 caution: program test modifies tool management data
Parameters: %1 = Channel number
Definitions: Tool management data is changed during program testing. It is not possible to automatically rectify
the data after termination of the program testing.
This error message prompts the user to make a backup copy of the data or to reimport the data after
the operation is terminated.
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department. Save tool data on MMC and reimport
data after "ProgtestOff".
Program Clear alarm with the Delete key or NC START.
Continuation:
16925 Channel %1 program control: action %2<ALNX> not allowed in the
current state, action %3<ALNX> active
Parameters: %1 = Channel number
%2 = Action number/action name
%3 = Action number/action name
Definitions: The action has been refused since a mode or sub-mode change (change to automatic mode, MDI,
JOG, overstoring, digitizing, etc.) is taking place.
Example: This alarm message is output if the Start key is pressed during a mode or sub-mode change
from, for example, automatic to MDI, before the NCK has confirmed selection of the mode.
Reaction: Alarm display.
Remedy: Repeat action.
Program Clear alarm with the Delete key or NC START.
Continuation:
16926 Channel %1 channel coordination: action %2 not allowed in block %3,
marker %4 is already set
Parameters: %1 = Channel number
%2 = Aktion
%3 = Block number
%4 = Marker number
Definitions: The action was denied, the marker was already set. Check the program.
Example:
SETM(1) ; CLEARM(1) ; Marker must be reset first.
SETM(1)
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Repeat action.
Program Clear alarm with the RESET key. Restart part program
Continuation:
16927 Channel %1 action %2<ALNX> at active interrupt treatment not allowed
Parameters: %1 = Channel number
%2 = Action number/action name
Definitions: This action may not be activated during interrupt processing (e.g. mode change).
Reaction: Alarm display.
Remedy: Reset or wait until interrupt processing is terminated.
Program Clear alarm with the Delete key or NC START.
Continuation:
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© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006