
NCK alarms
06/2009 Overview of alarms
2-135
© Siemens AG 2009 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, 06/2009
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
16914 [Mode group %1: ] [Channel %2: ] Mode change: action %3<ALNX> not
allowed
Parameters: %1 = Channel number
%2 = Mode group number
%3 = Action number/action name
Definitions: Incorrect mode change, e.g.: Auto -> MDIREF.
Reaction: Alarm display.
Remedy: Check operation or selected mode.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
16915 [Channel %1: ] Action %2<ALNX> not allowed in the current block
Parameters: %1 = Channel number
%2 = Action number/action name
Definitions: If traversing blocks are interrupted by asynchronous subroutines, then it must be possible for the inter-
rupted program to continue (reorganization of block processing) after termination of the asynchronous
subroutine.
The 2nd parameter describes which action wanted to interrupt block processing.
Reaction: Alarm display.
Remedy: Let the program continue to a reorganized NC block or modify part program.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
16916 [Channel %1: ] Repositioning: action %2<ALNX> not allowed in the
current state
Parameters: %1 = Channel number
%2 = Action number/action name
Definitions: Repositioning of block processing is presently not possible. A mode change cannot take place.
The 2nd parameter describes which action should be used to perform repositioning.
Reaction: Alarm display.
Remedy: Let the program continue to a repositioned NC block or modify part program.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
16919 [Channel %1: ] Action %2<ALNX> is not allowed due to a pending alarm
Parameters: %1 = Channel number
%2 = Action number/action name
Definitions: This action cannot be performed due to an alarm, or the channel is in the fault condition.
Reaction: Alarm display.
Remedy: Press the RESET key.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
16920 [Channel %1: ] Action %2<ALNX> is already active
Parameters: %1 = Channel number
%2 = Action number/action name
Definitions: An identical action is still being processed.
Reaction: Alarm display.
Remedy: Wait until the previous procedure has been terminated and then repeat the operation.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
16922 [Channel %1: ] Subprograms: action %2<ALNX> maximum nesting depth
exceeded
Parameters: %1 = Channel number
%2 = Action number/action name
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