Dave,
Did you get this one sorted out?.
What I would be tending towards with the fridge is either a faulty thermostat (switching contacts not closing properly) or a faulty RFI capacitor.
Failing that, I'd check the contacts on the receptacle for a loose connection when the plug is inserted.
What I'd also check is the Equipment grounding, as many RFI capacitors connect to the ground of an appliance. [Linked Image]