F11 fault showing on display - Panasonic Pro NE1757 Microwave Oven

I am not trying to stop you from trying to repair your Oven; however, the cost to replace circuit boards including your time and effort exceed the cost of a new Microwave.
Lowes has some as low as $150.00 and dent or blemish for far less.

Usually if this model stops after approx 3 secs it is an invertor or mag fault. Check that the aerial cover is clean Page 3 of the breakdown part position 315. If this is really grubby it would be the cause of the door shattering. The PTC is not used on the microwave function so may be an additional fault. Check also the alignment of the door switches as this can also cause a similar fault. My best guess is if you remove the mag, you'll probably find scorching on it and it (and the invertor) will need replacing.

This can be due to wrong choice or fault in the power supply ,main board or the magnetron.
You should try with a preset selection and if the microwave works then the fault relates to correcting the power to time settings.
Check out with microwave cooking tips.

In this case as the display does not show a clock then it seems the program controller is not working correctly. So check power - step down supply, if the pads are responding- if not faulty pads. Also the door switches, if the switch contact are not good then it will not trigger the processor to switch on the waveguides. If the lights or fan work without any display or action of program being triggered to start then it can be a possible fault on the main board or the processor. Sometimes insect secretion can short the board and display panel and so the processor can work in such an erratic manner. If so clean,solder and reset the board.

Now identify the parts by clicking this link: http://www.espares.co.uk/advice/microwave/a/5/141/identifying-microwave-parts.html

Now unless the display works and the processor starts to switch on the MAGNETRON , the table and light will also switch on as it must heat.

So it is necessary to check the main controller unit as it seems to be the suspect..

Not knowing what sort of machine you have, one of these should help.

F11 - No hot fill.The ambient temperature is likely to be below freezing possibly due to the pipes being frozen. Also check that the taps are on or if the drain hoses are kinked.

F11 - Pump cannot be activated - Book a washing machine repair.

F11 - Heater timed out. The heater has not reached the required level. Book a dishwasher repair.

F11 - No pump connection - Book a tumble dryer repair.

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.

F3 error relates to the keypad being at fault

You can try the unplug for 24 hrs reset trick or if it does not work you need to replace it..

This document (pdf) shows step by step how to

http://207.234.249.73/mwd/keypad_replacement.pdf

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The following is a solution for the Panasonic brand microwave. I do not know your brand so this is the best I can do.

PANASONIC Model: NE-1057, NE-1057C, NE-1257, NE-1077, NE-1277, NE-1457, NE-1457C, NE-1757, NE-1477, NE-1777 Symptom: Code "F11" or "F12" appears on the display intermittently Problem: Moisture is accumulating on control panel from steam rising out of the door. Solution: Install foam sealer (cushion rubber) along lower edge of control panel escutcheon. Part # A8251-3180

If this has a controller that runs a microwave and an oven, then the problem F2 means a temperature related fault such as a bad temp sensor / thermostat or a defect in the control board. If it's just a microwave, then the problem is likely a failing keypad. In many cases, those can be replaced economically. If you repost with your exact model number (62622 is not a complete model number) then we can advise you further and more specifically.