Canon EOS 30D Error Err 01: Communications between the camera and lens is faulty

Canon EOS 30D · taken from the manufacturer’s manual, pages cited

Error codeErr 01

Communications between the camera and lens is faulty The manual's first action is: “Clean the lens contacts. (p.11)”

Model
Canon EOS 30D
Display shows
Communications between the camera and lens is faulty (Err 01)
Type
Error code
Source
Manual p. 183

What Err 01 means

Communications between the camera and lens is faulty p. 183

Common causes

  • Communications between the camera and lens is faulty. p. 183

What to do

  1. Clean the lens contacts. (p.11) p. 183

If Err 01 is still not resolved

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

Open the manual at page 183 All EOS 30D error codes Manual details & download

This page summarises what the manufacturer’s manual says about Err 01; 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 Canon. Found a mistake? Report an error.