Notes And Tips For The Field Service - HEIDENHAIN iTNC 530 HSCI Service Manual

6.10 Notes and tips for the field service

What is the cause
of this error?
Were there any particular incidents such as ...
Were there any repeated error messages indicating 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
Visual inspection A visual inspection may often be useful.
Comparison If identical machines or devices are available, you can compare the functions.
with functioning
This can be very helpful for troubleshooting!
machines or
devices
February 2012
Ask the operator or technician who worked last with or on the machine about the detailed course
of events.
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 part program
Tool breakage
Collision
Power failure
Etc.
Note
Tracking back the error cause together may facilitate troubleshooting.
If possible, ask the person in charge to show you the error.
Check together, whether the error can be reproduced and always occurs reliably at a certain
position.
Then back up the machine data to save the current configuration.
Isolate the error.
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?
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