Keithley S540 Error E0020

Keithley S540 · taken from the manufacturer’s manual, pages cited

Error codeE0020

A failing SMU or a dark front panel indicates an instrument issue. The manual's first action is: “Check power to instruments: Open the front door of the system. Check the front panel of the SMU.”

Model
Keithley S540
Display shows
E0020
Type
Error code
Source
Manual p. 346

What E0020 means

A failing SMU. p. 346

Common causes

What to do

  1. Check power to instruments: Open the front door of the system. Check the front panel of the SMU. p. 346
  2. - Check the power button - Check the power plug cable connection to the SMU rear panel (see the power distribution unit (PDU) information in the "Equipment startup" section of the S540 Power Semiconductor Test System Administrative Guide). p. 346

Before you service the product, read the safety instructions in the manual p. 4.

If E0020 is still not resolved

  • Contact service or dealer for assistance. p. 346
    “Check power to instruments: Open the front door of the system. Check the front panel of the SMU.”

This page summarises what the manufacturer’s manual says about E0020; 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 Keithley. Found a mistake? Report an error.