HEIDENHAIN ITNC 530 Service Manual

21 – 356 HEIDENHAIN Service Manual iTNC 530
21.3 Troubleshooting
VDU soft keys The soft-key rows of the BF screens are connected with the keypad board of the TE via ribbon
cable.
Troubleshooting --> See “Checking the Keys” on page 22 – 363.
Monitor Proposal for troubleshooting, if the screen remains black when the machine is switched on:
Yes
No
Check whether the fan works. Measure if there are
24 V at the 2-pin connector of the screen.
Machine is switched on
but screen remains black
Is a direct
current of 24 V
available?
Establish power supply.
Yes
No
Connect your service laptop to the iTNC 530 and start the
HEIDENHAIN computer software TNCremoNT.
Is now image information
available on the laptop?
Yes
No
The graphics card of the
iTNC 530 may be defective!?
The graphics card of the iTNC 530 is probably okay.
Shut down the control and switch off the machine.
Label all cables and disconnect all connectors from the
iTNC 530 (exception: monitor connector X49/X149, power
connector X69, 5 V supply terminal).
Also remove USB devices and data cables.
Press the EMERGENCY STOP button and
switch on the machine again.
Is now an
image visible?
A defective unit impairs the
control such that the monitor
does not function properly.
Set up a connection and click one of the
camera symbols in the menu bar.

HEIDENHAIN ITNC 530 Specifications

General

Control Type	CNC
Look-ahead	Yes
Spindle control	Yes
Touch probe cycles	Yes
Operating voltage	24 V DC
Programming	Conversational and DIN/ISO programming
Interpolation	Linear, Circular, Helical
Data Interface	Ethernet, USB, RS-232
Memory	1 GB
Programming Language	HEIDENHAIN plain language
Operating Modes	Manual, Automatic, MDA
Software Options	Various software options available