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Panasonic microwave nn-sn960s replace internal thermal fuse

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: PANASONIC MICROWAVE NN-S960BC/WC

i had same problen, i changed the fuse inside the microwave, works good now

Posted on Mar 28, 2008

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MicrowaveSvc
  • 9085 Answers

SOURCE: Internal ceramic fuse repeatly blown.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead several seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount. See: http://www.microwavedisplay.com/doorsw.txt in this case.

If this unit has an inverter some parts are difficult for the average do it yourselfer to replace, such as parts which are spot welded, not using removable connectors.

In such cases, it's best to replace the entire inverter.

Due to the lethal voltages used and produced in inverters, I do not recommend that an inexperienced person work on them.

You can find an authorized Panasonic servicer here.

In Canada, you can find an authorized Panasonic servicer here.

You can find an authorized Panasonic servicer here.

You can order Panasonic parts from
Encompass or by calling 866-779-5835.

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

Posted on Jan 10, 2010

  • 5370 Answers

SOURCE: My Panasonic NN SN960S just

If there is no power at all, then its a fuse problem, or the power cord shorted issue or the board issue.------ The power to board has to be checked by meter.Also the power to the power supply cord has to be checked by meter.As you mentioned that fuse is replaced, then other 2 possibilities are to be checked.This problems are not very common and occurs very rarely.But in most of the cases its fuse or main board.But directly before replacing main board .I suggest get the power checked to the power cord wire and main board with meter.This will help, to confirm the issue.------ Thanks.Helpmech.

Posted on Jul 08, 2011

ercupa190
  • 12223 Answers

SOURCE: panasonic microwave nn a554w

First check is the main fuse of the unit. On countertop units, you will need to take the shell off. The fuse will be close to where the cord comes through into the unit. OTR units, this main fuse is usually behind the control panel or possibly behind the vent. Usually the fuse is obvious if blown, otherwise test with an OHM meter, if open, replace fuse.
Some brands will also have a thermal cut-off fuse in the incoming voltage line to the control board. Older Maytags and Samsungs have this fuse in it. This thermostat looking fuse is usually above the oven cavity somewhere under the outside shell. Sometimes you can get to it through the vent of OTR models. Test with an OHM meter, replace if open.
If you have a stuck key or non-responsive key, most of the time you will have to replace the keypad for this microwave oven repair. If your keypad is connected to your control board by a flat ribbon wire, try disconnecting it and clean the silver contacts with an ordinary pencil eraser. After cleaning, plug it back in and try it. If it doesn't fix it, replace the keypad unit. Some units actually have keypad tests to confirm your diagnosis of a bad key.
If your keypad and control is the same unit, replace that unit. Another note, unlike stove/oven keypads and controls, most microwaves do not have error codes or tests to distinguish whether it is truely the keypad or control. Most of the time, it is the keypad that needs replacing, but a small percentage of the time it can be the control. Check the tech sheet if they can point you to the right part.
Rewmember use the DVOM
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Posted on Apr 02, 2013

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1 Answer

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