Error Messages - HEIDENHAIN ND 221 Manual

Working with the measured value display unit
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Error Messages

To clear error message
When you have removed the cause of the error,
press CL.
Message
If all decimal points light up, the measured value is too large or too small.
In this case, set a new datum or retract.
Distance-To-Go Mode
The standard setting for the display unit is to show the encoder position value.
Particularly on machine tools and for tasks in automation, however, it can be very
helpful for the display to instead show the distance remaining to a manually entered
nominal position. You can then position the tool by simply moving the axis to the
display value zero. Code number 246 582 provides access to distance-to-go mode.
Display
"Traverse to zero" with distance-to-go display
Select datum 2.
Enter the nominal position.
Move the axis to zero.
:
Cause and effect
Last measured value not yet latched
External device not ready for data transfer
(
Data interface:
Parity error or wrong data transfer format
Incorrect input value
Encoder signal too weak (encoder may be contaminated)
Input frequency too high for encoder input (will occur for example
when the scale is moved too quickly)
Internal counter overflow
Error while crossing over reference marks
To clear the error message: Switch off the display unit.
Should any of these error codes recur, contact your
HEIDENHAIN service agency.
Offset compensation values for encoder signals have been
erased: contact your HEIDENHAIN service agency.
Erase the operating parameters.
Meaning
No distance-to-go display
Distance-to-go display
only appears once)

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