Question about Microwave Ovens
The top oven / grill works fine. There are 2 switches for the main oven. 1 is the thermostat, whilst the other selects which elements are used in conjunction with the fans. This selector switch also selects the "Pyrolytic" settings for self cleaning. I suspect the PCB as I cannot see anything obvious, but also cannot see any burning on the pcb.
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Posted on Jan 02, 2017
SOURCE: neff microwave combination oven
no solution sorry but we also have a Neff mw/combi oven which keeps blowing for no apparent reason, the Neff repair man has looked at it 4 times and practically replaced every component -power module, operating module,relay board, door switches but it`s just gone again! The model is a H5972N0GB/01 and it is approx 3 yrs old, no problem for the first 2 years .Time to write to Neff -is yours the same model?
Posted on Jul 23, 2008
Maybe you should first by checking the fuse to the unit.Look around where the power cord come into the unit.The fuse may be blown.
Posted on Mar 15, 2009
SOURCE: I have sharp microwave oven
First I would suggest a "hard reset". Simply unplug the oven for a minute or two, then try again.
If it still fails, it may be that the keypad has failed, or there is a bad connection due to moisture, grease, etc.
This is an Australian model, so it's hard for me to give more specific information.
But one some US models the LCD and keypad connect to the circuit board via a rubber "zebra strip" and losing that connection can result in a loss of display segments and / or key response.
I've attached a diagram showing where one can clean to restore operation in this case.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Oct 02, 2010
SOURCE: there was a bright light
Carbonised food build up or a metalic object was in the cavity as it was being used, causing internal arcing inside the food cavity. You may find the cover over the magnetron aerial is blackened. If it is change it.
Clean the oven cavity and check for damage.
Hope that helps.
Posted on Dec 11, 2010
SOURCE: Hi my Panasonic Dimension 4
Re: Thermister at rear of unit is open at room temp. Isn't it supposed to be closed at room temperature? The thermistor is surely defective. Also the door switch testing procedure is not clear. If it is three terminal you mas check that the switch is closing between COM and N.O. terminals when you close the door ( I am generally talking about a three terminals microwave switch, I do not have your oven's model number).
Also test the inverter separately. Read DC in, then make sure that your multimeter can test AC out and read AC out to know if inverter is working. To test the inverter thoroughly you should also use an oscilloscope to check AC phase. Inverter going out of phase is unlikely the problem.
After testing the inverter check oven again (diode and capacitor, door again, wiring , control). Remember to discharge the oven capacitor or you risk to get shocked by an heavy discharge.
Posted on Aug 11, 2011
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