Yaskawa Error Code H66 Online

Verify if both Forward and Reverse commands are lit up at the same time. :

The H66 error code on a Yaskawa drive or motor typically indicates a problem with the encoder feedback circuit. Specifically, it signifies a "Encoder Signal Error" or "Encoder Feedback Error." This error occurs when the drive is unable to receive a valid encoder signal, which is essential for precise motor control. yaskawa error code h66