How to fix a heat pump that won't start

This is an amateur case study of how we diagnosed and fixed a heat pump scroll compressor with a trouble code suggesting a locked rotor. The video is published for entertainment purposes only and is not meant to be any form of instructional video. The information provided here is offered for free, but with no guarantees as to accuracy or safety. Errors in DIY repair with mains voltage can have profound complications, including death, community fire, and devastating injuries even to bystanders who never agreed to sign on. It may take decades of study in the amateur situation before one can safely learn to perform some of the tasks shown, and not all safety precautions are demonstrated here. Any misadventure you encounter if you decide to accept the risk of DIY repair is your responsibility.