Keithley 2302 Instruction Manual page 311

Table C-2
Calibration errors
Error number Error message
+404 Volt fullscale cal prepare error chan 1
+405 Volt fullscale cal output error chan 1
+406 Volt fullscale cal meas error chan 1
+407 DVM full scale cal meas error chan 1
+409 5 Amp source cal prepare error chan 1
+410 5 Amp source cal output error chan 1
+411 5 Amp source cal measure error chan 1
+412 5 mA source cal prepare error chan 1
+413 5 mA source cal measure error chan 1
+414 Cal error - trigger level gain chan 1
+415 Cal error - trigger level offset chan 1
+416 Cal error - t lev amp offset chan 1
+424 Volt fullscale cal prepare error chan 2
+425 Volt fullscale cal output error chan 2
+426 Volt fullscale cal meas error chan 2
+427 DVM full scale cal meas error chan 2
+429 5 Amp source cal prepare error chan 2
+430 5 Amp source cal output error chan 2
+431 5 Amp source cal measure error chan 2
+432 5 mA source cal prepare error chan 2
+433 5 mA source cal measure error chan 2
+434 Cal error - trigger level gain chan 2
+435 Cal error - trigger level offset chan 2
+436 Cal error - t lev amp offset chan 2
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Calibration Reference C-7