
Overview of alarms 06/2009
NCK alarms
2-176
© Siemens AG 2009 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, 06/2009
22322 [Channel %1: ] Axis %2 PRESET: illegal value
Parameters: %1 = Channel number
%2 = Axis name, spindle number
Definitions: The entered Preset value is too large (number format overflow).
Reaction: NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Use more realistic (smaller) Preset values.
Program Con-
tinuation:
Clear alarm with the RESET key. Restart part program
25000 Axis %1 hardware fault of active encoder
Parameters: %1 = Axis name, spindle number
Definitions: The signals of the currently active position actual value encoder (NC/PLC interface signal V380x
0001.5 = 1 (Position measuring system 1) or V380x 0001.6 = 1 (Position measuring system 2)) are
missing, do not have the same phase, or exhibit grounding/short-circuit.
The alarm can be reprogrammed in the MD11412 $MN_ALARM_REACTION_CHAN_NOREADY
(channel not ready).
For PROFIdrive only:
MD36310 $MA_ENC_ZERO_MONITORING >100 replaces the existing PowerOn alarm by the Reset
alarm 25010.
Reaction: Mode group not ready.
The NC switches to follow-up mode.
Channel not ready.
NC Start disable in this channel.
Axes of this channel must be re-referenced.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Channel not ready.
Remedy: Please inform the authorized personnel/service department. Check measuring circuit connectors for
correct contacting. Check encoder signals and replace the encoder if faults are found.
Monitoring can be switched off by setting MD36310 $MA_ENC_ZERO_MONITORING[n] to 100 (n =
encoder number: 1,2).
Program Con-
tinuation:
Switch control OFF - ON.
25001 Axis %1 hardware fault of passive encoder
Parameters: %1 = Axis name, spindle number
Definitions: The signals from the currently inactive position actual value encoder are missing, or they are not of
the same phase, or they exhibit grounding/short-circuit.
For PROFIdrive only:
MD36310 $MA_ENC_ZERO_MONITORING >100 replaces the existing PowerOn alarm by the Reset
alarm 25011.
MD36310 $MA_ENC_ZERO_MONITORING >100 replaces the existing Reset alarm by the Cancel
alarm 25011.
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department. Check measuring circuit connectors for
correct contacting. Check encoder signals and replace the encoder if faults are found. Switch off mon-
itoring with the corresponding interface signal V380x 0001.5 / 1.6 = 0 (Position measuring system 1/2
).
Monitoring can be switched off by setting MD36310 $MA_ENC_ZERO_MONITORING[n] to 100 (n =
encoder number: 1,2).
Program Con-
tinuation:
Clear alarm with the RESET key. Restart part program
25010 Axis %1 pollution of measuring system
Parameters: %1 = Axis name, spindle number
Definitions: The encoder used for position control sends a contamination signal (only in measuring systems with
contamination signal).
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