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Need to reconnect capacitator wiring but forgot to take pic. for kenmore microwave model 40185044010 can u help?

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  • Microwave Ovens Master
  • 17,129 Answers

Please check this link and see the position of the capacitor which is wired from the transformer.
Click on : Parts

Posted on Jan 22, 2013

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erpaalai
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SOURCE: Kenmore microwave oven power fluctuations

The magnatron, HV capacitor or the transformer. Dangerous place to work in the High Voltage section. Cap can hold a charge so short to ground after unplugging when working around it. Unplug one at a time starting with the mag and see which one is causing the draw.
eric

Posted on Jul 01, 2009

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My over the stove microwave starts continues for a few econds the f-7 appears and it stops


F7 means power to magnetron is interrupted.

I don't recommend that someone without experience and an understanding of the safety procedures undertake troubleshooting this.
You can find manuals and helpful exploded view diagrams for your model here and my favorite parts supplier is here. There is a technical sheet hidden behind the controls that has helpful technical and troubleshooting information. It will say something like this:

F7 Power to magnetron interrupted

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.

William E. Miller, AS-EET
http://www.MicrowaveControl.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

Oct 05, 2016 | Kenmore Microwave Ovens

1 Answer

How do I change a bad door switch and/or door switch mount on a Maytag Model MMV5208WS1?


Take off the control panel to do this remove the grille over door should be two screws remove screw from control slide upward it should come forward take a pic of wires then remove to get panel out of the way almost forgot the spade terminals on the relay have a lock on them you have to look carefully there is a tab you need to depress to release the lock to slide off, there may be a black plastic panel in the way take out the bottom screw then you can pry out of the way you have either a bad primary or secondary switch change both not that expensive primary on top left switch 3 wires going to it secondary bottom single switch same principle to unlock terminals # 15 torx bit needed to remove the screw for door switch mount hopes this helps

Jan 28, 2015 | Maytag Microwave Ovens

1 Answer

Wiring diagrams for microwave model cfmv156dsb


Good Afternoon Friend, this is Z. Thank you for allowing me to assist you!

I have successfully located the Wiring Diagram of your Frigidaire microwave, CFMV156DSB. I hope this proves to be helpful to you. Should you need further assistance please feel free to reconnect.

Jul 15, 2014 | Frigidaire Microwave Ovens

1 Answer

Gh6177xps


Your full model number would be either GH6177XPS1, GH6177XPS2, GH6177XPS3, or GH6177XPS4 as found on the model tag. I mention that only if you need to order parts.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

mini_manual_behind_grille_small.jpgdee77f7.jpgAt our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

On the tech sheet for our model, trouble code F7 is discussed:

F7 Power to magnetron interrupted

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 resistance of the magnetron thermostat.
6. Check the magnetron.
7. Check P2, P4 and P27 connections.
8. Check wiring to the 1100W inverters and control system. See "Checking Inverters."
9. Check operation of all interlock switches.
10. Replace inverter, if defective.
11. Replace all parts and panels before operating.
12. Plug in microwave oven or reconnect power.
13. If problem persists, unplug microwave oven or disconnect power.
14. Replace electronic control.
15. Replace all parts and panels before operating.
16. Plug in microwave oven or reconnect power.
17. If problem persists, unplug microwave oven or disconnect power.
18. Check for reversed plug connection on controls or loose wiring.
19. Replace all parts and panels before operating.
20. Plug in microwave oven or reconnect power.

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

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

Sep 07, 2012 | Whirlpool Microwave Ovens

1 Answer

Kenmore microwave oven model 721


Hi,
On the link below is the list of Kenmore microwave oven model manuals starting with 721.Click on selection to download.

www.managemylife.com/mmh/owner_manuals/search?query=Kenmore+micicrowave%2Fhood+combo+-+7218924680

Hope this helps.Thanks!

Jan 07, 2012 | Microwave Ovens

1 Answer

F7 code on Whirlpool Microwave model GH9185XLT - 1


Power to magnetron
interrupted
12. Replace inverter.
13. Replace all parts and panels before operating.
14. Plug in microwave oven or reconnect power.
15. If problem persists, unplug microwave oven or disconnect power.
16. Replace electronic control.
17. Replace all parts and panels before operating.
18. Plug in microwave oven or reconnect power.
19. If problem persists, unplug microwave oven or disconnect power.
20. Check for reversed plug connection on controls or loose wiring.
21. Replace all parts and panels before operating.
22. Plug in microwave oven or reconnect power.

May 23, 2017 | Whirlpool GH9185XL Microwave Oven

1 Answer

Kenmore microwave oven power fluctuations


The magnatron, HV capacitor or the transformer. Dangerous place to work in the High Voltage section. Cap can hold a charge so short to ground after unplugging when working around it. Unplug one at a time starting with the mag and see which one is causing the draw.
eric

Jul 01, 2009 | Microwave Ovens

1 Answer

Works for approx 30 secs then it cuts off with a error Code F7 message.


Assuming yours is a model KHMS2050SSS0, here is what the technical sheet says about the F7 error code:

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.

May 26, 2009 | KitchenAid KHMS2050SSS Microwave Oven

2 Answers

How do I install my Kenmore Microwave Oven 721.63664300 to the wall


You can usually find exploded views and order parts & manuals by entering your model number here at the Sears parts site.

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

Aug 13, 2008 | Kenmore 63662 / 63664 / 63669 Microwave...

2 Answers

Kenmore Microwave / coffee maker leak


I have a Kenmore Microwave with built int coffee maker (Model 721.63999303). The coffee maker works, but the microwave doe not. Can the microwave be fixed ?

Apr 12, 2008 | Kenmore 63993 Microwave Oven

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