Error Codes and Messages110
Table D-2. ERROR Responses
Error Code
(ERR? query)
Message
(ERR key)
Explanation
0 NO ERROR Indicates there are no errors.
1 INVALID CHAR You sent the supply a character it did not recognize.
2 INVALID NUM The format of your number is incorrect. Check syntax (see Chapter 5).
3 or 28 INVALID STR You sent a command the supply does not understand. Resend a recognizable
command.
4 SYNTAX ERROR You sent a command with improper syntax. Check syntax of your command (see
Chapter 5).
5 NUMBER RANGE An out of range number was sent. Send a new number within the legal range.
6 NO QUERY The computer addressed the supply to talk, but it did not first request data. Send
query first and then address the supply to talk.
7 DISP LENGTH Quoted string in the DSP command exceeds the display length of 12 characters.
8 BUFFER FULL May occur if too many numbers are sent. Error code 4 or error code 5 are more
likely to occur for this condition.
9 EEPROM ERROR The EEPROM on the GP-IB board is not responding correctly to programming
commands. An instrument failure has occurred and service is required. Refer to
the Troubleshooting Section in the Service Manual.
10 HARDWARE ERR An output error has occurred on an unknown output. Service is required. Refer
to the Troubleshooting Section in the Service Manual.
11 HDW ERR CH 1 Error codes 11 through 14 refer to a specific output where an output error has
occurred. Service is required. Refer to the Output Board Troubleshooting section
in the Service Manual.
12 HDW ERR CH 2 Same as in error 11.
13 HDW ERR CH 3 Same as in error 11.
14 HDW ERR CH 4 Same as in error 11.
15 NO MODEL NUM The supply’s model number cannot be found. The GP-IB Interface board may be
defective or the supply may require reprogramming. Refer to the
Troubleshooting section of the Service Manual.
16 CAL ERROR An error has occurred during calibration. This may be the result of out of range
numbers sent. If recalibration (See Appendix A) does not fix this there may be a
hardware failure (Refer to the Troubleshooting Section in the Service Manual).
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