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M# 1757 S#E14250048 Error Code F 21 - Panasonic Microwave Ovens

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  • William Miller
    William Miller May 11, 2010

    I have the service manual for model the Panasonic commercial microwave model NE-1757.

    Is that your model number?

    I'm not showing an error code F21.

    Is that the correct code?



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1 Answer

That is the correct model #
Also I don't find an F21 error code in my manual also ????, Thanks for any help you can give me.
Alan

Posted on Jul 10, 2008

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1 Answer

Parts breakdown for panasonic ne-1757


The suffix will make a difference, but the two service manuals are here http://www.microwavedisplay.com/NE1257A_C_NE-1757A_C_NE-2157A_C_sm.pdf AND here
http://www.microwavedisplay.com/NE1257R_CR_NE-1757R_CR_NE-2157R_CR_NE-1258R_sm.pdf

You can order parts from Encompass here or you can call them toll-free at 866-779-5835.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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Error code E-21 Jenn Air convection microwave


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If you need more repair advice help on your appliance, click
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1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem.
3. Unplug microwave oven or disconnect power.
4. Check cooling fan operation
5. Check the magnetron.
6. Check P65 connection on the relay control board.
7. Check the P56/P66 connection between relay board and relay control board.
8. Check wiring to the 1200W inverter and control system. See “Checking Inverters.”
9. Check operation of all interlock switches.
10. Replace all parts and panels before operating.
11. Plug in microwave oven or reconnect power.
12. Check voltage at 4903-1 on relay board. If it is 120, unplug microwave oven or disconnect power.
13. Replace inverter.
14. Replace all parts and panels before operating.
15. Plug in microwave oven or reconnect power.
16. If problem persists, unplug microwave oven or disconnect power.
17. Replace relay control board.
18. Replace all parts and panels before operating.
19. Plug in microwave oven or reconnect power.
20. If problem persists, unplug microwave oven or disconnect power.
21. Check for reversed plug connection on controls or loose wiring.
22. Replace all parts and panels before operating.
23. Plug in microwave oven or reconnect power.

(This troubleshooting guide presumes one does not know how to test electronic components. That's why they say to replace and part and check it again.)

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

If yours is a different model number, please reply back.

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1 Answer

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check this site :http://microwaveglasstrays.com/shop/microwave-glass-trays-c-21.html. search for your brand name buy online.

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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
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