HEIDENHAIN iTNC 530 Service Manual page 53

Error message Possible cause of error
Additional information and descriptions in
the manual
Touch probe not The touch probe is not connected.
ready
Battery dead
No connection between infrared probe
system and receiver unit.
Penetration of humidity
Touch probe cable defective
Cable to transmitter/receiver unit defective
Contamination of probe and/or transmitter/
receiver unit --> No infrared connection
Obstacle in the infrared connection or strong
shading of transmitter or receiver.
It is possible, that several touch probes are
within the receiving range of a SE; the
infrared signals cannot be allocated any
more; faulty operation.
Interface to touch probe or transmitter/
receiver unit on MC defective
TNC temperature The temperature sensor in the control has
detected an excessively high temperature
warning %dC
inside the control housing. If the
temperature continues to increase, the
control hardware may be damaged.
TNC temperature The temperature sensor in the LE has
detected an excessively high temperature
too high %d°C
inside the control housing.
TS: Inadequate During multiple measurement with the
automatic probe cycle the variance of the
consistency
individual measured values is greater than
the value defined in machine parameter
MP6171.
5-V power supply The 5V supply voltage of the control is too
high.
too high
July 2010
Measures for error diagnosis and/or
corrective action
Additional information and descriptions in
the manual
Connect the touch probe.
Replace the battery.
Clean the receiver unit.
Dry the touch probe.
Replace the cable.
Clean touch probe and transmitter/receiver
unit
Remove obstacle from infrared connection.
Readjust receive range of SE.
If the interface to touch probe or transmitter/
receiver unit on the MC is defective -->
Replace MC (See "Exchange of
HEIDENHAIN Components" on page 28 –
523).
See "Touch Probe" on page 25 – 413.
Check the heat transfer in the electrical
cabinet.
Check the fan in the control.
See "Information Menu" on page 17 – 267.
See "Temperature monitoring" on page 3 –
674.
See "Temperature" on page 6 – 75.
Check for adequate heat transfer in the
electrical cabinet.
Check the fan of the logic unit.
See "Information Menu" on page 17 – 267.
See "Temperature monitoring" on page 3 –
674.
See "Temperature" on page 6 – 75.
Check whether the probe point and the
stylus are clean.
Expand the tolerance in machine parameter
6171.
See "Touch Probe" on page 25 – 413.
Check the power supply.
Inform your service agency.
See "Power Supply" on page 17 – 251.
See "Error Localization by Process of
Exclusion" on page 6 – 66.
See Service Manual Inverter Systems and
Motors.
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