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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
(-221) Settings conflict
(-222) Data out of range
(-223) Too much data
(-224) Illegal parameter value
(-225) Out of memory
(-230) Data Corrupt or Stale
(-310) System error
(-350) Too many errors
(-400) Query error
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