Agilent Technologies E1301B, E1300B, 75000 SERIES B Error Types, Table B-1. Negative Error Numbers

Error Types	Negative error numbers are language-related and categorized as shown below.
	Positive error numbers are instrument specific and for the System Instrument
	are summarized in Table B-2. For other instruments, refer to their own user’s
	manual for a description of error messages.

Table B-1. Negative Error Numbers

Error Number	Error Type
-199 to -100	Command Errors
-299 to -200	Execution Errors
-399 to -300	Device-Specific Errors
-499 to -400	Query Errors

Command Errors A command error means the instrument cannot understand or execute the command. When a command error occurs, it sets the Command Error Bit (bit 5) in the Event Status Register. Command errors can be caused by:

•A syntax error was detected in a received command or message. Possible errors include a data element which violates the instrument’s listening formats or is of the wrong type (binary, numeric, etc.) for the instrument.

•An unrecognizable command header was received. Unrecognizable headers include incorrect SCPI headers and incorrect or unimplemented Common Commands.

•A Group Execute Trigger (GET) was entered into the input buffer inside of a Common Command.

Execution Errors An execution error indicates the instrument is incapable of doing the action or operation requested by a command. When an execution error occurs, it sets the Execution Error Bit (bit 4) in the Event Status Register. Execution errors can be caused by the following:

•A parameter within a command is outside the limits or inconsistent with the capabilities of an instrument.

•A valid command could not be executed because of an instrument failure or other condition.

Device-Specific Errors A device-specific error indicates an instrument operation did not complete, possibly due to an abnormal hardware or firmware condition (self-test failure, loss of calibration or configuration memory, etc.). When a device-specific error occurs, it sets the Device-Specific Error Bit (bit 3) in the Event Status Register.

Query Errors A query error indicates a problem has occurred in the instrument’s output queue. When a query error occurs, it sets the Query Error Bit (bit 2) in the Event Status Register. Query errors can be caused by the following:

•An attempt was made to read the instrument’s output queue when no output was present or pending.

•Data in the instrument’s output queue has been lost for some reason.

B-2 Error Messages