Siemens SINUMERIK 840Di Diagnostic Manual page 300

Overview of Alarms
NCK alarms
16770 Channel %1 block %2 axis %3 no measuring system available
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Axis name, spindle number
Definitions: One of the following spindle functions has been programmed, the position control requires:
SPCON,
SPOS, SPOSA,
COUPON,
G331/G332.
The position control requires at least one measuring system.
No measuring system has been configured in MD: 30200 NUM_ENCS of the programmed spindle.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department. Retrofit a measuring system.
Program Clear alarm with the RESET key. Restart part program
Continuation:
16771 Channel %1 following axis %2 overlaid movement not enabled
Parameters: %1 = Channel number
%2 = Axis name, spindle number
Definitions: No gear synchronization and no overlay movement can be executed because this is not enabled at
the VDI interface.
Reaction: Alarm display.
Remedy: Set the "enable following axis overlay" VDI signal.
Program Alarm display showing cause of alarm disappears. No further operator action necessary.
Continuation:
16772 Channel %1 block %2 axis %3 is the slave axis, the coupling is being
opened
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Axis, spindle
Definitions: >The axis is active as a slave axis in a coupling. In the REF operation mode, the coupling is opened.
The alarm can be suppressed by means of machine data 11410 SUPPRESS_ALARM_MASK Bit29
= 1.
Reaction: Alarm display.
Remedy: The coupling will be closed again after having exited the REF operation mode.
Program Alarm display showing cause of alarm disappears. No further operator action necessary.
Continuation:
2-300
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006