PPC2 AF OPERATION AND MAINTENANCE MANUAL
© 1998 DH Instruments, Inc. Page 58
4.3.2 ERROR MESSAGES
The PPC2 AF will always reply to a command. If the command is incorrect or contains invalid
data, an error number will be returned in the form “ERR# n” where n is an integer number that
represents a specific error. This allows for easy error trapping by the host computer. Here is
a list of the possible errors numbers and the error description for each:
REPLY DESCRIPTION
ERR #0 "OK"
ERR #2 "Text argument is too long"
ERR #3 "User defined coefficient cannot be 0"
ERR #4 "External device not detected"
ERR #5 "External device improperly configured"
ERR #6 "Numeric argument missing or out of range"
ERR #7 "Missing or improper command argument(s)"
ERR #8 "External device timeout error"
ERR #9 "Unknown command"
ERR #11 "Command missing argument"
ERR #12 "System overpressured"
ERR #13 "Text detected in numeric field"
ERR #14 "User unit not defined"
ERR #18 "Command not yet available"
ERR #21 "User device not defined"
ERR #22 "Pressure is not stable"
ERR #23 "Option not available or installed"
ERR #25 "Transducer out of calibration"
ERR #26 "COM port failed to initialize"
ERR #27 "Internal device#1 timeout error"
ERR #28 "Internal device#2 timeout error"
The user may retrieve the error message for a previous command error by using the “ERR” command.
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