The touch pad has been fading and going out for some time. Sometimes a breaker re-set woud bring it back, but only temporarily. I was futzing with the inside electronics and a ribbon connector pulled out easily and now nothing works. Good job, huh? Who do I call?
I'm in Portland, Oregon and my wife is about to kill me.
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It may be on auto cook? Try unplugging the unit for 10 or 15 minutes then plug back in and see if it resets itself. Set the clock to correct time and start again. If it is still playing up, the touch pad membrane may be faulty. Don't use spray cleaners on these touch pads, it ruins them.
May i ask , is this a GE?
Have you un-plugged it and plugged it back in? You can try this to see if it needs re-setting.
I don't know how mechanically inclined you are but if you comfortable with this idea you can take the touch-pad off yourself and inspect the ribbon cables that supply power to the touch-pad. These ribbon cables work slightly loose sometimes and all they need is to be re-seated back into their connector which is pretty simple to accomplish.
There should be 2 screws or maybe 3 on the top (front) panel of the microwave. Remove these then once the panel is removed you can access the 1 or 2 screws (1 Usually) that holds the touch-pad in place. Remove this screw and lift the touch-pad up and out. Remove all wires from their connectors and don't worry about , if you can replace them to their correct connectors , many times the connectors are all different and can only accept 1 wire when re-installing.
Inspect your ribbon cables and their connection. I would even disconnect them and re-connect just in case there is a faulty connection.
Sometimes the ribbon cables need to be removed and clean the connections with alcohol but in your case you have a new microwave so i don't see dirt or debris being an issue.
Of course , unplug the unit from the wall if you decide to take on this task.
If this doesn't work i would return the microwave. If your like me i like to inspect things and take on new tasks sometimes just to try and fix things to have something new under my belt. Anyways i hope this is helpful and good luck.
The fact the breaker in the fusebox tripped indicates a fault in the appliance that is probably safety related. If it was the mcb (micro circuit breaker) it indicates a sudden overload. If it was the rcd (residual current device) it indicates there might have been a live circuit shorted to earth.
The fault is likely to be internal and it is potentially dangerous for unqualified people to fiddle about inside microwave ovens. Many brands are cheap throw-away items these days because a visit to the repair shop tends to cost more than a replacement.
The Neff brand is a premium brand and although repair costs are expensive it is likely to be (marginally) cheaper than a replacement.
f7 normally is a control issue either the touch pad or the control board inside the unit... turn the breaker off to unit and try to run your hand over the keypad pressing firmly on all the button ..reset the breaker afterwards usually a 50 amp ciruit and see if it still does it.. the ribbon cable on the touch pad has either failed or the control board itself... common problem with these units.
you may luck out as sometimes the keypad will get stuck and by resetting will correct problem...
Disconnect the power for 30 seconds. After restoring power, do not set the clock.
If your model has an ON/OFF clock display, you can choose not to have the time displayed.
To choose this option, press the 0 pad for about three seconds. To Turn the display back on, press the 0 again.
Touch the clock pad. Enter in the correct time of day by touching the numbers in sequence. Touch the clock pad again.