Chapter 2. Error Codes and Screen Messages
22 DigitalFlow™ GF868 Service Manual (1 and 2-Channel)
Log Active, END only
hit any key
When in the LOG menu, this message indicates that the log is still compiling data. 
Only the End Time may be edited.
Log DONE, to inspect
hit any key
When in the 
LOG menu, this message indicates that the log is complete. Hit any key 
to display the log.
Log hasn’t started! hit key When in the 
LOG menu, this message indicates that the log has not yet started.
OK, settling The measurement has not stabilized. Wait before taking a reading.
Outside limits, value rejected.
When in the 
CAL menu, this message indicates that the calibration of the analog out-
put is invalid. Hit any key to clear the message, and the GF868 will default to the 
last valid calibration. The message will also appear if there is no ammeter connected 
to the analog output during calibration.
Overflow
The display value overflowed. Reduce the number of decimal digits or change the 
units.
??P<L Enter L again.
The entered path length (P) is less than the axial dimension (L). Enter a new value 
for L.
range is X.XX to X.XX
When in the User Program, this message indicates that the entered number is unac-
ceptable. Hit any key and enter a number within the allowable range.
Review calibration
An option card error indicating a programming failure or a loss of memory. Contact 
the factory.
Review parameters
An option card error indicating a programming failure or a loss of memory. Contact 
the factory.
Staring time must exceed 
current time
This message appears when in the 
LOG menu STD option. Enter a start time that is 
later than the current time.
Write error.
An option card error indicating a programming failure or a loss of memory. Contact 
the factory.
Table 2: Screen Messages (cont.)
Message Meaning