Old Nikon D80 turned on for the first time in years - Err message. Already tried cleaning lens connection. : r/Nikon
Nikon D80 Troubleshooting - iFixit
CW Services Ltd - Nikon D80 that displays 'Err' upon release ..... this is the fix - contacts on the 'phase switch' that tells the camera when it has completed a charge /
Nikon D80 Err Message how can i resolve - YouTube
SOLVED: "err" message on the display, the answer is not clear - Nikon D80 - iFixit
Nikon DSLR Error Codes. Know Possible Ways to Fix Errors
Nikon D80 err message: Nikon FX SLR (DF, D1-D5, D600-D850) Talk Forum: Digital Photography Review