25 – 418 HEIDENHAIN Service Manual iTNC 530
25.3 Error Diagnosis on TS Touch Probes
Control impaired? If you suspect that a damaged touch probe or a touch probe into which liquid has penetrated
impairs the function of the control:
8 Disconnect the touch probe and observe the reaction.
--> See “Deselecting and Disconnecting the Touch Probe” on page 25 – 426.
Visual inspection
8 Visually inspect the stylus, touch probe, transmitter/receiver unit, cable, etc.
Is the stylus broken? Is the touch probe or the cable damaged?
Is the transceiver unit contaminated? etc.
Checking the LEDs Touch probe with infrared interface:
By means of two multicolor LEDs, a visual status check of SE 440, SE 640 and EA 632
transmitter/receiver units is possible:
On the SE 540, there is a multicolor LED with the following meaning:
A detailed description of the visual status check, of the beam direction, of battery
exchange, stylus exchange, centering, specifications, etc. can be found in the mounting
instructions of the touch probe!
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