4 – 50 HEIDENHAIN Service Manual iTNC 530 HSCI
5 V power supply
too high
The 5 V supply voltage of the control is too high. Check the power supply.
Inform your service agency.
See ”Power supply” on page 18 – 243.
See ”Error localization by process of exclusion”
on page 6 – 63.
See Service Manual Inverter Systems and
Motors.
5-V power supply
too low
The 5 V supply voltage of the control is too low. Check the power supply.
Check the current consumption of the
consumers (encoders).
Inform your service agency.
See ”Power supply” on page 18 – 243.
See ”Error localization by process of exclusion”
on page 6 – 63.
See Service Manual Inverter Systems and
Motors.
Supply voltage
missing at X44
Missing supply voltage on connector X44 Check the wiring.
Inform your service agency.
See ”Supply voltage for PLC outputs” on page
18 – 274.
Unknown device
on HSCI bus (%s)
26109
The NC software identifies every connected
device by means of a device table. The table
indicates whether the device is supported by
the software version installed on the control.
A device that the software does not support
or that is not yet entered in the device table
is connected with the HSCI bus. The device
concerned is indicated in the additional
information.
Run an update of the NC software if the device
is not supported by the currently installed
version of NC software.
Update the device table. A new device that is
not yet listed in the device table might be
supported by the installed software. In this
case an update of the device table is required.
See ”Bus diagnosis” on page 12 – 147.
Inverter is not
ready for
operation
After a "safe stop" the inverter did not return to
the ready state.
Inform your service agency.
See ”Checking the enables on the iTNC 530
HSCI” on page 17 – 225.
See Service Manual Inverter Systems and
Motors.
Insufficient
system memory
There are too many NC software versions on
the control.
Delete old NC programs that are no longer
required.
See ”Reloading the currently used NC
software” on page 15 – 215.
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
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