HEIDENHAIN iTNC 530 HSCI - Page 45

4 – 46 HEIDENHAIN Service Manual iTNC 530 HSCI
MC frequency too
high %.2s
 The maximum input frequency was exceeded
at an encoder input.
 Check encoder signal input frequency.
 See ”Further examination of position and
speed encoders” on page 19 – 314.
MC NC
temperature out
of tol.
 See "Temperature too high (CPU%1 := %2°C)".  See "Temperature too high (CPU%1:= %2 °C)".
%.2s encoder:
amplitude too
large
 The amplitude of the encoder signal is too high
or the contamination signal active.
 Check the amplitude of the encoder signal.
 See ”Position encoders” on page 19 – 277.
%.2s encoder:
amplitude too
small
 The amplitude of the encoder signal is too small
or the signal for contamination is active.
 Check the amplitude of the encoder signal.
 See ”Position encoders” on page 19 – 277.
%.2s measuring
system defective
 Contradiction apparent from comparison of
absolute and incremental positions
 Inform your service agency.
 See ”Encoder interface” on page 19 – 277.
%.2s encoder:
frequency too
high
 The maximum input frequency was exceeded
at an encoder input.
 Check encoder signal input frequency.
 See ”Further examination of position and
speed encoders” on page 19 – 314.
NC: Program
memory erased
 After the control was switched on, a file in NC
memory was found faulty and deleted.
 Create the file again.
 See ”Restoring data” on page 14 – 207.
EMERGENCY
STOP defective
 The internal or external EMERGENCY STOP
circuit is found by the system CPU to be
defective.
 Check the emergency-stop circuit.
 Relays, safety contactor combinations are
defective or too slow.
 Input I3 (X42/4) is continuously at 24 V.
 MC defective
 Check input I3. (See ”"Control is ready" output
and input (EMERGENCY STOP chain)” on page
17 – 228.)
 Replace relays, safety contactor combinations.
 See ”Error message: EMERGENCY STOP
defective” on page 17 – 230.
Excessive offset
in <axis>
 During offset adjustment (with code number or
cyclic) an offset voltage of more than 100 mV
was determined.
 Inform your service agency.
 See ”Analog speed value interface” on page 21
– 349.
Parallel operation
not possible
 You edited the machine or user parameter list
and tried to exit the editor with END. This is not
permitted if the part program or a PLC
positioning operation is running.
 Wait until the part program run is ended,
or interrupt the NC program.
PLC: timeout  PLC run-time error  Edit the PLC program.
 See ”PLC main page” on page 11 – 116.
PLC partition: Not
enough memory
 Not enough free memory on the PLC partition  Inform your service agency.
 Delete unneeded files from the PLC partition.
Error message Possible cause of error Measures for error diagnosis and/or
corrective action
Additional information and descriptions
in the manual
Additional information and descriptions
in the manual