Based on the information you've provided, it's possible that the motor in your heat pump is going bad. The resistance readings you mentioned suggest that the motor is winding down and losing its ability to start and run. It's possible that the motor could start running again if it is nudged, but this is only a temporary solution.

If the motor is indeed going bad, you may need to replace it. If the motor is still under warranty, you may be able to get it repaired or replaced for free. If not, you may need to have a professional HVAC technician install a new motor.

However, before you make any decisions, I would recommend that you have a professional HVAC technician diagnose the problem with your heat pump. They may be able to diagnose a different problem that is causing the fan to stop running, and a simple repair may be all that's needed.

Thanks Kelvin, I think the 16 year old motor is going bad. I appreciate your thoughts. It makes sense.