Omron E5AK Datasheet page 30

Motor Calibration Error (Displayed on the No. 2 Display)
Meaning
Action
Operation Procedure
Operation at Error
30
Digital Controller
Motor calibration has ended with an error.
First, correctly connect the wiring for the potentiometer, open output, and close output.
Execute the motor calibration again.
When motor calibration is executed, open output will operate and then close output will operate. However, as the
value is incorrect, the result turns out to be an error.
E5AK/E5EK