Campbell Scientific TDRSDK Software Developement Kit - Manual (Page 24)

Appendix B. TDR100 Response Protocol
B-2
Error Response
|!|NN|
! ASCII ‘!’ to indicate an Error Packet
NN Error Numbers in ASCII
‘01’ Bad Checksum
‘02’ Illegal Cmd Format, Not Defined
‘03’ No Valid Letters Or Numbers
‘04’ Could Not be Parsed
‘05’ Command Not Identified
‘06’ Command Not Recognized
`07’ Calibration Unsuccessful
‘08’ Extra Period (terminal mode)
‘09’ No Reference Cable Length
‘10’ Value Out of Range
‘11’ Timeout - Cable Short Not Found
‘12’ Timeout Waiting for Data
‘13’ Exponent Not Defined
‘14’ No Command Defined for Output
‘15’ Bad Data
‘16’ Bad Moisture Calculation
‘17’ Could Not Detect Liquid Level
‘18’ Incorrect Mux Address or Channel
‘19’ Unable to Locate Pulse
‘20’ Could Not Measure Baseline
‘21’ Couldn’t Measure Top of Pulse
‘22’ Unknown Internal Error
‘69’ Command Decode Error
‘70’ Unknown Error
‘71’ Device Write not accepted
‘72’ Unknown Error
‘73’ IOPOLL: Timeout
’74’ WRITE: Data not written
‘75’ WRITE: Address not accepted
‘76’ WRITE: Write not accepted
‘77’ Unknown Error
‘78’ READ: Read not accepted
’79’ READ: Address not accepted
‘80’ Unknown Error