Error messages – HEIDENHAIN ND 221 B v.2 User Manual
Page 10

10
Other error displays
If “OVERFLOW” appears, the measured value is too large or
too small:
ä Set a new datum.
or
ä Traverse back.
To clear error messages:
Once you have removed the cause of the error:
ä Clear the error message with the CL key.
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 com-
pensation values for nonlinear axis
error compensation. If this error
recurs, contact your service
agency!
1)
These errors are important for the attached device.
Display
Effect/Cause
REC. PARAM.
Error during reception of parameter
and compensation value lists