Keysight 654xA, 655xA, 664xA, 665xA Error SEC 5: Secondary interface 5 volt read back test failed (power-on, and for models 664xA & 665xA, also *TST?).

GPIB DC Power Supply · taken from the manufacturer’s manual, pages cited

Error codeSEC 5

Secondary interface 5 volt read back test failed (power-on, and for models 664xA & 665xA, also *TST?) due to defective comparators AIU513, DACs AIU511/AIU512, or secondary bias supply. The manual lists no action for this code.

Model
Keysight 654xA, 655xA, 664xA, 665xA
Display shows
SEC 5
Type
Error code
Source
Manual p. 37

What SEC 5 means

Secondary interface 5 volt read back test failed (power-on, and for models 664xA & 665xA, also *TST?). p. 37

Common causes

  • Comparators AIU513, read back DAC AIU511/AIU512, or secondary bias supply defective. p. 37

If SEC 5 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Keysight service.

Open the manual at page 37 All 654xA, 655xA, 664xA, 665xA error codes Manual details & download

This page summarises what the manufacturer’s manual says about SEC 5; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Keysight. Found a mistake? Report an error.