Code Name Causes Possible Solutions PGoH Encoder (PG) Hardware Fault The encoder cable is disconnected. Correct any disconnected wires in the encoder cable. Note: If the drive detects this error, the terminal set to H2-01 to H2-04 = 10 [MFDO Function Select = Alarm] will be activate. Parameters F1-20 [Encoder 1 PCB Disconnect Detect] or F1-36 [Encoder 2 PCB Disconnect Detect] enable and disable PGoH detection. If the drive detects this error, it will operate the motor as specified by the stopping method set in F1-02 [PG Open Circuit Detection Select].