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Thanks Dave for the advice. I opened the left panel and gave the pressure float chamber a good scrub. Checked the micro siwths with meter for the level pressure water switch (Diagphram type as dont have a water flow switch), watched the fill and drain sequence occur. Still got no repsonse from control panel buttons LEDs 1 – 4 still illuminated. What occurs after the dishwasher fills and the pressure/levle switch (e6)is activated does it initate a relay to start the circulation motor ? I dont know the operation sequences to fault further ? Can I hard reset the PCB bu earthing a particular pin on the board as looks locked up to me 🙂
Can I disonect the control panel cable plugs on the PCB to determine what is lighting up the LED’s. Would it be the heating element ?Attached Service Test Programme sheet S0-60/0686. The PCB Control Panel Part No was 00492685 and latest code is 00442394. I understand it fits other Bosch/NEFF models too
Hi I just wanted to provide the outcome of the fault for anyone having the same problem. I actually bought a broken same model fridge and through elimination and measuring voltages worked out that it was the compressor at fault. I stood the fridge upside down trick but didn’t work. By gentle rubber hammer knocking on the compressor it actually burst into life. It only lasted a week and failed. It was for me sadly uneconomical to replace the compressor and the second hand fridge had exactly same fault. New fridge freezer Samsung and sold the two for parts on ebay.
Re: Panasonic Fridge Freezer inverter NR-B30FX1 not cooling
Checked all voltages on boards, and swapped out Main Control Board, checked thermisters/sensors and okay but can’t find the sensor -ATC, for ambient room temperature to check it ?
Thinking it’s the compressor ? So checked the three windings and all good 7.8Ohms and no connection to Eth. Managed to get spare correct spec Panasonic compressor but not fitted, just connected the U,V&W three pin lead on to it and eth and no pipes connected. When power up refrigerator the Compressor does actually run for 2 seconds then stops, would of thought it would of ran for some time. Is this normal that it will stop after a few seconds and shut down as its not connected to the pipes. Does this prove the old compressor is faulty or it’s something else ? Any advice please ?Re: Panasonic Fridge Freezer inverter NR-B30FX1 not cooling
I meant to mention that the Compressor is not getting warm but did read constant 15.4V AC across a pair of the three Compressor terminals U to V then U to W and finally V to W. This would increase to 21V when the internal Freezer Fan (FC) briefly kicked in on power up sequence, then fell back to 17.9V. Is this enough voltage or the correct voltage to start the compressor or I should be reading 200+ Volts ?
