HEIDENHAIN NPD 281 v.3 - Manual (Page 15)

15
Error Messages
Display Problem
Last measured value has not been output 1)
The external device is not connected, no
DSR signal (only displayed once!)
1)
Data interface: Parity error or wrong transfer
format
1)
Incorrect input value
Overflow due to external setting (value for
P79 too high)
Overflow trigger limit 1
Overflow trigger limit 2
Overflow lower sorting limit
Overflow upper sorting limit
The encoder signal is too weak. The scale
may be contaminated.
1)
The input frequency for this encoder input
is too high. This can occur when the scale
is moved too fast.
1)
Internal counter overflow 1)
Error during traverse of the reference
marks
1)
1) These errors are important for the attached device. The
error signal (pin 19) at D-sub connection EXT is active.
Display Problem
If these errors persist, contact your
service agency.
Offset compensation values for encoder
signals have been erased: contact your
service agency.
Check the operating parameters. If this
error persists, contact your service
agency.
Other error displays
If all decimal points light up, the measured value is too
great or too small:
➤ ➤ ➤ ➤ ➤Set a new datum
or
➤ ➤ ➤ ➤ ➤ Traverse back.
If all sorting signals light up, the upper sorting limit is
smaller than the lower limit:
➤ ➤ ➤ ➤ ➤ Change operating parameters P18 and/or P19.
To clear error messages:
When you have removed the cause of the error:
➤ ➤ ➤ ➤ ➤ Clear the error message with the CL key.
Delete error messages ERROR 80, 83, 84, 86.
Switch device off!
Error Messages