Keysight Technologies RP7931A Guide D'utilisation Et D'entretien page 266

5 SCPI Programming Reference
A checksum error has occurred in the instrument's nonvolatile random access memory.
205 NVRAM full
The nonvolatile random access memory of the instrument is full.
206 File not found
The internal calibration file or the internal channel attribute file was not found in NVRAM.
207 Cal file version error
The calibration file was written or read using old firmware. Firmware must be updated.
208 Running backup firmware
The instrument is presently running the backup (previous) version of the firmware.
210 Frame NVRAM error
A non-volatile RAM error has occurred in the instrument.
212 State file not loaded
A previously saved output state file has failed to load.
214 Line frequency error
A discrepancy has occurred between the line frequency and the line frequency setting.
215 Hardware failure
A hardware failure has occurred on the power supply
302 Option not installed
The option that is programmed by this command is not installed.
303 There is not a valid acquisition to fetch from
There is no valid data in the measurement buffer.
304 Volt and curr in incompatible transient modes
Voltage and current cannot be in Step and List mode at the same time.
305 A triggered value is on a different range
A triggered value is on a different range than the one that is presently set.
306 Too many list points
Too many list points have been specified.
307 List lengths are not equivalent
One or more lists are not the same length.
308 This setting cannot be changed while transient trigger is initiated
266 Keysight RP7900 Series Operating and Service Guide