Siemens SINUMERIK 840Di Diagnostic Manual page 382

Overview of Alarms
NCK alarms
20201 Channel %1 spindle %2 no tool assigned
Parameters: %1 = Channel number
%2 = Spindle number
Definitions: In order to make allowance for the fine tool compensation for the tool currently in the spindle, a
spindle/tool assignment must be active. This is not presently the case for the programmed spindle in
the target channel of fine tool compensation.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: 1. Modify the part program (write the tool fine compensation).
2. Establish spindle/tool assignment by programming:
- TMON (tool monitoring)
- GWPSON (tool selection)
Program Clear alarm with the RESET key. Restart part program
Continuation:
20203 Channel %1 no active tool
Parameters: %1 = Channel number
Definitions: A tool fine compensation has been written for the active tool of channel %1 with PUTFTOC. No tool
is active in this channel. Therefore, the compensation cannot be assigned.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Correct the program.
Program Clear alarm with the RESET key. Restart part program
Continuation:
20204 Channel %1 PUTFTOC command not allowed with FTOCOF
Parameters: %1 = Channel number
Definitions: A tool fine compensation has been written for channel %1 with PUTFTOC. The tool fine compensation
is not active in this channel. FTOCON must be active in the target channel of the PUTFTOC
command.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Correct the program in the machining channel: Select FTOCON so that the channel is ready to receive
the PUTFTOC command.
Program Clear alarm with the RESET key. Restart part program
Continuation:
2-382
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006