6 – 72 HEIDENHAIN Service Manual iTNC 530
6.9 Notes and Tips
What is the cause of
this error?
8 Ask the operator or technician who worked last with or on the machine
about the detailed course of events.
Have there been any particular incidences, such as …
A loud bang in the electrical cabinet
Overload
Leaky hydraulic, coolant or water lines
Condensation on boards
Cleaning of the machine (humidity, etc.)
Thunderstorms
Modifications to the machine
Tests on the machine
NC software update
New machining program
Tool breakage
Collision
Power failure
Etc.
Have there been repeated error messages indicating an overload (e.g., I2T monitoring, Motor
temperature too high, Motor current too high, Load is too high) or a defect (e.g.,
overcurrent cutoff) of the drive?
First steps
8 If possible, ask the person in charge to show you the error.
8 Check together, whether the error can be reproduced and always occurs reliably at a certain
position.
8 Then back up the machine data to save the current configuration.
8 Isolate the error.
Visual inspection A visual inspection may often be useful.
Any tools damaged?
Machine crash?
Heavily contaminated devices?
Defective cables?
Defective tubes, sealings, threaded joints?
Defective fuses?
Visibly destroyed power amplifiers?
Defective coupling system, belt, gear, etc.?
Moisture inside devices?
Scorch marks / burnt smell?
Comparison with
functioning
machines or
devices
If identical machines or devices are available, you can compare the functions.
This can be very helpful for troubleshooting!
Tracking back the error cause together may facilitate troubleshooting.
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