Keysight 654xA, 655xA, 664xA, 665xA Error E8: Secondary interface RAM test failed (power-on).

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

Error codeE8

Secondary interface RAM test failed (power-on) due to a defective microprocessor AIU504. The manual lists no action for this code.

Model
Keysight 654xA, 655xA, 664xA, 665xA
Display shows
Secondary interface RAM test failed (power-on). (E8)
Type
Error code
Source
Manual p. 37

What E8 means

Secondary interface RAM test failed (power-on). p. 37

Common causes

  • Microprocessor AIU504 defective. p. 37

If E8 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 E8; 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.