Keysight 654xA, 655xA, 664xA, 665xA Error E7: GPIB interface test failed (power-on).

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

Error codeE7

GPIB interface test failed (power-on) due to a defective talker/listener chip A2U117. The manual lists no action for this code.

Model
Keysight 654xA, 655xA, 664xA, 665xA
Display shows
GPIB interface test failed (power-on). (E7)
Type
Error code
Source
Manual p. 37

What E7 means

GPIB interface test failed (power-on). p. 37

Common causes

  • Talker/listener chip A2U117 defective. p. 37

If E7 is still not resolved

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

This page summarises what the manufacturer’s manual says about E7; 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.