Siemens SINUMERIK 840Di Diagnostic Manual page 438

Overview of Alarms
NCK alarms
26204 Channel %1 block %2: The chain element %3 referred to in
$NK_NEXT[%4] is already contained in the chain
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Name of the next chain link
%4 = Index of the chain element
Definitions: In one chain link, the next link of the chain is indicated as a chain link already in existence in the chain.
This allows you to define a not permitted closed chain.
Reaction: Correction block is reorganized.
Interface signals are set.
Alarm display.
Remedy: Define the kinematic chain in such a way that no closed chain results.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
26206 Channel %1 block %2: The chain element %3, referred to in
$NK_1ST_ELEM[%4], was not found
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Name of first chain link
%4 = Index of chain
Definitions: The chain link indicated as the first link in a kinematic chain was not found.
Reaction: Correction block is reorganized.
Interface signals are set.
Alarm display.
Remedy: Indicate in $NK_1ST_ELEM[...] the name of an existing chain link.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
26208 Channel %1 block %2: Chain element %3, referred to in $NK_NEXT[%4],
was not found
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Name of the next chain link
%4 = Index of chain link
Definitions: The chain link indicated as the next link in a kinematic chain was not found.
Reaction: Correction block is reorganized.
Interface signals are set.
Alarm display.
Remedy: Indicate in $NK_1ST_NEXT[...] the name of an existing chain link.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
2-438
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006