Thermo Fisher Scientific ST40 / 40R Error E-21: The rotor could not be identified

Centrifuge · taken from the manufacturer’s manual, pages cited

Error codeE-21

The rotor could not be identified. The manual's first action is: “Check to see if the rotor is properly installed.”

Model
Thermo Fisher Scientific ST40 / 40R
Display shows
The rotor could not be identified (E-21)
Type
Error code
Source
Manual p. 44

What E-21 means

The rotor could not be identified p. 44

Common causes

  • The rotor could not be identified. p. 44

What to do

  1. Check to see if the rotor is properly installed. p. 44
  2. Restart the centrifuge. p. 44
  3. If an error message appears again, inform Customer Service. p. 44

Before you service the product, read the safety instructions in the manual p. 24.

If E-21 is still not resolved

  • If an error message appears again, inform Customer Service. p. 44
    “If an error message appears again, inform Customer Service.”
Open the manual at page 44 All ST40 / 40R error codes Manual details & download

This page summarises what the manufacturer’s manual says about E-21; 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 Thermo Fisher Scientific. Found a mistake? Report an error.