Siemens SINUMERIK 840Di Diagnostic Manual page 388

Overview of Alarms
NCK alarms
21650 Channel %1 axis %2 overlaid motion not allowed
Parameters: %1 = Channel number
%2 = Axis name, spindle number
Definitions: An overlaid motion was requested for the axis, however, this is not allowed due to the machine data
FRAME_OR_CORRPOS_NOTALLOWED.
Reaction: Local alarm reaction.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Deselect the overlaid motion or change
machine data FRAME_OR_CORRPOS_NOTALLOWED.
Program Clear alarm with the RESET key. Restart part program
Continuation:
21660 Channel %1 block %2 axis %3 conflict between SYNACT: $AA_OFF and
CORROF
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Axis name
Definitions: When deselecting the position offset ($AA_OFF) via the part program command CORROF (<axis>,
"AA_OFF") an active synchronized action is detected that immediately sets $AA_OFF for the axis
(DO_$AA_OFF [<axis>] =<value>). Deselection is executed and $AA_OFF not set again.
Reaction: Correction block is reorganized.
Local alarm reaction.
Interface signals are set.
Alarm display.
NC Stop on alarm at block end.
Remedy: Modify part program.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
21665 Channel %1 $AA_TOFF cleared
Parameters: %1 = Channel number
Definitions: If the tool position is changed with RESET and $AA_TOFF is active during RESET, the position offset
($AA_TOFF) is cleared.
Reaction: Correction block is reorganized.
Local alarm reaction.
Interface signals are set.
Alarm display.
NC Stop on alarm at block end.
Remedy: Modify the RESET setting in $AA_TOFF_MODE.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
2-388
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006