HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 8)

SERVICE MANUAL TNC 415B/425
Page 5
Issue: 20.08.95
2.1 Causes of Minor Error Messages
OPERATING PARAMETERS ERASED
- With new and exchange controls, the machine parameters are always erased
- Defective buffer batteries, accumulator or capacitor
- RAM error on the processor board
- Software exchanged
LIMIT SWITCH
- "Manual" Operating Mode
The preset software limit switch has been reached during traverse with the axis address keys.
- "Automatic" Operating Mode
The calculated position of the current block is beyond the software limit switch range or beyond the
additional limit (set with the MOD function ). The positioning is not performed.
Machine Parameters for the Software Limit Switches
X+ X- Y+ Y- Z+ Z-
Default setting
Activation via PLC
1)
Activation via PLC
1)
910.0
911.0
912.0 920.0
921.0
922.0 910.1
911.1
912.1 920.1
921.1
922.1 910.2
911.2
912.2 920.2
921.2
922.2
IV+ IV- V+ V-
Default setting
Activation via PLC
1)
Activation via PLC
1)
910.3
911.3
912.3 920.3
921.3
922.3 910.4
911.4
912.4 920.4
921.4
922.4
1)
PLC markers M 2816 and M 2817
POWER INTERRUPTED
- After a reset signal of the power supply (e.g. line voltage drops)
- Important machine parameters may have been changed:
e.g. MP 210, MP 410.3, MP 730, MP 3240.1, MP 7210, MP 7310
POSITIONING ERROR
- The servo lag monitor set in the machine parameters 1410.X or 1710.X has responded.
(Check the run-in behaviour of the axis; readjust, if necessary.)
PLC PROGRAM NOT TRANSLATED
- After editing, the PLC program must be compiled (translated) anew.