11 SYSTem Subsystem
286 U8480 Series Programming Guide
–220 Parameter error;Frequency list must be in ascending order.
Indicates that the frequencies entered using the MEMory:TABLe:FREQuency command are not in
ascending order.
–221 Settings conflict
This message occurs under a variety of conflicting conditions. The following list gives a few examples of
where this error may occur:
–If the READ? parameters do not match the current settings.
– If you are in the fast mode and attempting to switch on for example, averaging, duty cycle, or limits.
– Trying to clear a frequency-dependent offset table when none is selected.
–222 Data out of range
A numeric parameter value is outside the valid range for the command.
For example, SENS:FREQ 1HZ.
–224 Illegal parameter value
A discrete parameter was received which was not a valid choice for the command. You may have used an
invalid parameter choice.
For example, CORR:CSET2:SEL “CUSTOM_wahaha_A”.
–226 Lists not same length
This occurs when SENSe:CORRection:CSET2:STATe is set to ON and the frequency and offset lists
do not correspond in length.
–230 Data corrupt or stale
This occurs when a FETC? is attempted and either a reset has been received or the U8480 Series state
has changed such that the measurement is invalidated (for example, a change of frequency setting or
triggering conditions).
–231 Data questionable;CAL ERROR
The U8480 Series calibration failed.
–231 Data questionable;ZERO ERROR
The U8480 Series zeroing failed. The most likely cause is attempting to zero when some power signal is
being applied to the U8480 Series.
–231 Data questionable;Input Overload
The power input to the U8480 Series exceeds the maximum range.
–310 System error;Sensor non-volatile memory Read Failed - critical data not found or unreadable
This indicates a failure with the U8480 Series. Refer to the U8480 Series service manual for details on
returning it for repair.
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