Error Messages - TDK-Lambda Genesys User Manual

8.5.5. Checksum
The user may add a checksum (optional) to the end of the command. The checksum is
"$" followed by two hex characters. If a command or a query has a checksum, the
response will also have a checksum. There is no CR between the command string and
the "$" sign.
Example: STT?3A
STAT?$7B
8.5.6. Acknowledge
The Power Supply acknowledges received commands by returning an "OK" message. If
an error is detected, the Power Supply will return an error message. The rules of
checksum apply also to the Acknowledge.
8.5.7. Error Message
If an error is detected in a command or query, the Power Supply will respond with an
error message. Refer to Section 8.6 for details.
8.5.8. Backspace
The backspace character (ASCII 8) clears the last character sent to the Power Supply.
8.6.

Error Messages

The Power Supply will return error messages for illegal commands and illegal programming
parameters. Refer to Table 8-1 for programming error messages and Table 8-2 for
commands error messages.
Error Code
E01 Returned when program voltage (PV) is programmed above acceptable range.
Example: PV above '105% of supply rating' or PV above "95% of OVP setting."
E02 Returned when programming Output voltage below UVL setting.
E04 Returned when OVP is programmed below acceptable range.
Example: OVP less than 5% of supply voltage rating' plus 'voltage setting'.
E06 Returned when UVL is programmed above the programmed Output voltage.
E07 Returned when programming the Output to ON during a fault shut down.
Error Code Description
Illegal command or query
C01
C02 Missing parameter
Illegal parameter
C03
C04 Checksum error
C05 Setting out of range
Table 8-1: Programming Error Messages
Description
Table 8-2: Commands Error Messages
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