Interface Page 71 of 76
3.2.6 Error Messages
Table 3-6 lists the Error Messages for the IEEE-488 interface of the 1855 instrument. In
response to the command “SYSTem:ERRor?”, the 1855 unit responds with the error message
number and an error message string of up to 80 characters in length.
Table 3-6: Error Messages
Code Type Message
0 No error There is no error in the error queue
-102 Syntax error Invalid character exists in the command string.
-104 Data error Parameter is not defined in the command string.
-106 Illegal parameter Parameter is not a valid command.
-202 Conflicting Settings Command conflicts with instrument settings.
Example: Send ‘Trigger’ when mode is external.
-203 Data range Data exceeds the valid range.
-211 Data stale No resent measurement result.
Example: Send ‘Read?’ when in Standby status.
-224 Self-Test failed Self-test via remote interface (*TST) failed.
-225 Excess errors The error queue is full (more than 20 errors).
Queue cleared after power down or *CLS command.
-226 Query interrupted Device status changed after query sent.
Output buffer will be cleared
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