E464 is an IPM overcurrent error, meaning the inverter driving your compressor has detected more current flowing than it should during operation. This is a protective fault designed to stop the compressor or inverter from being damaged by an electrical fault.
Because an overcurrent event can originate from either the compressor itself or the inverter board controlling it, this fault needs proper testing to pin down rather than guesswork. It’s one of the more involved faults on this list and isn’t something to keep resetting through.
Send us the code and a photo of the display, and a Ford & Doonan technician will get back to you. Please don't reset the unit before you take the photo.
(08) 9331 8800