Err 39.0 Analog input error fault in panasonic drive

Err 39.0 Analog input error fault in panasonic drive means analog command input voltage (AI1, AI2) exceeded the hardware limit of ±10V significantly.

Cause: Analog command input voltage (AI1, AI2) exceeded the hardware limit of ±10V significantly.

Remedy:

• Measure the voltage coming from the controller to the Analog Input pins.
• Check for ground loops or noise spikes on the analog line.
• Check the wiring of the analog cable shield (ground at driver end only).