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5.5 SYSTEM Subsystem
SYSTem:ERRor?
This command is used to query the error information of the power supply. When the error LED
lights on the front panel, it tells us that there is one or more hardware or command syntax error
happened. There are at most 20 groups of error message. Sending the command once will read
one error message from the error queue.
1. Error messages follow the FIFO (first-in-first-out) principle. The first error will be
returned first when you read all the error information in the error queue. The ERROR
LED will turn off. When an error occurs, the buzzer of the power supply will beep once.
2. If more than 20 errors occurred, the last one stored in the queue will be replaced by “-
350”, meaning "too many errors". If the error messages in the queue are not read out,
the error following will not be saved to the queue. If there is no error message when
reading error information, it will return “0”, meaning “no error”.
3. Turning off the power supply or sending the “CLS” (clear status) command, the error
messages in the error queue will be cleared. *RST command will not clear the error
messages in the error queue.
Command syntax: SYST:ERR?
Parameter: None
Returned parameter: <NR1>,<SRD>
The following is the error code and the definition:
(0) No error
(1) Module Initialization Lost
(2) Mainframe Initialization Lost
(3) Module Calibration Lost
(4) EEPROM failure
(101) Too many numeric suffices
(110) No input command
(114) Invalid Numeric suffix
(116) Invalid value
(117) Invalid dimensions
(120) Parameter overflowed
(140) Wrong type of parameter
(150) Wrong number of parameter
(160) Unmatched quotation mark
(165) Unmatched bracket
(170) Invalid command
(180) No entry in list
(190) Too many dimensions
(191) Too many char
(-200) Execution error
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