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So I bought this fancy Panasonic Fridge Freezer 6 years ago, it had an inverter compressor and the company was new to the market... the device itself was merely OK (it chilled alright, but the water dispenser was slow and somehow warmer than it came out of my normal tap! and the freezer food got crystals on it regularly) but slowly other owners posted tales of woe online with devices failing, poor support and eventually Panasonic exited the market. On Friday night though, the device just died - it acted as if it had been unplugged. To be fair to Panasonic, the service manual online is great and very comprehensive - https://www.manualslib.com/manual/871900/Panasonic-Nr-B53v1.html (v1 and v2 models virtually identical) and there's even a wiring diagram on the back of the machine. It says to check: Voltage of the supply Power Cord Motor Protector or Reactor Control PCB Now, the power and cord is fine, and power is going from the Control PCB to the Reactor OK at 240v. The Motor Protector has continuity. I've luckily found someone selling the $500 PCB for $50 online, it should arrive next week. I'm a little concerned that the online reviews mention Panasonic technicians not being able to diagnose similar faults and basically dumping the machine which suggests the 4 recommended steps might not be enough. The PCB doesn't have anything obviously wrong with it, and seems a bit strange to die after this time when the caps seem ok and it's outputting voltage to the reactor. I wondered if anyone had any thoughts on How to test the reactor Any PCB tests that can be done to build confidence that its replacement will fix the issue Any other diagnosis that can be done Thanks