HEIDENHAIN ND 281 B v.2 - Manual (Page 16)

16
Error Messages
Error Messages
Display Effect/Cause
RS232 FAST
Command for measured value
output followed too quickly by
another. 1)
SIGNAL
Encoder signal is too weak.
The scale may be contaminated. 1)
DSR.MISSING
The connected device has not sent
a DSR signal. 1)
REF. ERR.
The spacing of the reference marks
as defined in P43 is not the actual
spacing. 1)
FORMAT ERR.
Data format, baud rate, etc. do not
match. 1)
FREQUENCY
Input frequency too high for encoder
input. Traversing speed may be
too fast. 1)
MEMORY ERR.
Checksum error: Check the datum,
operating parameters and compen-
sation values for multipoint axis
error compensation. If this error
recurs, contact your service
agency!
1) These errors are important for the attached device. The
error signal (pin 19) at D-sub connection EXT is active.
Other Error displays
If “OVERFLOW” appears, the measured value is too large or
too small:
ä Set a new datum.
or
ä Traverse back.
If all sorting signals light up, the upper sorting limit is smaller
than the lower limit:
ä Change operating parameters P18 and/or P19.
To clear error messages:
Once you have removed the cause of the error:
ä Clear the error message with the CL key.
Display Effect/Cause
REC. ERROR
Error during reception of param-
eter and compensation-value lists.