Question about Whirlpool MH2155XP Microwave Oven

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Magnetron is out. Where can I get assembly

Whirlpool microwave MH2155XPB-3. Magnetron is out. Where can I get assembly drawings to figure out how to get into the oven to replace the part.

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Depending on how old this unit is the magnetron is usually covered under a warranty and should be done by a service tech

Posted on Feb 05, 2010

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Posted on Jan 02, 2017

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AccuWave Magnetron - "Continuous Power Levels" WhirlPool MicroWave Oven


It certainly sounds like something is wrong. My first GE microwave was like this and it wasn't advertised as anything special. After a long life I replaced it with a Sharp (makes most all microwaves) and was disappointed at the cycling on and off. Now Panasonic makes what they call Inverter microwaves with continuous power. I recently bought a GE (probably made by Panasonic) with this Inverter technology and am very pleased with it. Make sure the microwave you have says AccuWave on it, if it does, it sounds like the magnetron may have been replaced with a non-continuous type of magnetron. Was it bought refurbished/returned/clearanced? I think when I was researching this that it MAY have something to do with the type of power supply to the magnetron and not so much the magnetron itself.

Mar 23, 2017 | Whirlpool Accuwave Microwave Oven

6 Answers

WHIRLPOOL MICROWAVE GIVING F-7 CODE


hello sir 

you are right magnetron is fully interrupted....... but tell me  !. do you want to repair machine( 4 sec problem) 2. do you want to buy inverter , magnetron  please tell i am ready to help you sir


I believe that is a microcomputer board failure. You will have to replace this board. Website below.

I have gotten parts from "repairclinic" on line and they worked fine. I saved $600 on the last repair of an oven. Good luck.






or sir you can find and fix each and every type of code error


http://www.applianceaid.com/micro_faultcodes.html#WLP

Oct 18, 2008 | Whirlpool MH6140XK Microwave Oven

1 Answer

I have model MH2155XPB and it is not heating.


If your appliance has absolutely no functions at all, remove it from the mains supply, remove the case and see where the mains lead goes in to the appliance and follow the cable until you find the main fuse.
ONLY USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual cause of this fuse failure is the door switches are contaminated or sticking. Check the door switches before putting power back on to the appliance.
Hope this helps, but if it works but no microwave, read on:

The magnetron may have either failed or is not being supplied with the extremely high voltage required to run it.
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.

Nov 07, 2010 | Whirlpool MH2155XP Microwave Oven

1 Answer

Microwave stopped cooking. Fan works , but sounds like it is running on about 2/3 power and does not heat food. Is magnetron bad? How hard to fix myself?


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101



//

Oct 25, 2010 | Whirlpool GT4185SK Microwave Oven

1 Answer

Whirlpool microwave shows f-7


From the technical sheet hidden behind your control panel and online here:

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. Check resistance of the magnetron thermostat.
4. Check the magnetron.
5. Check wiring to the 1100W inverter and control system. See “Checking
Inverters.”
6. Check operation of all interlock switches. Check door, hinge and cavity front alignment. Adjust as needed.
7. If switches operate correctly, replace 1100W inverter.
8. If problem persists, replace electronic control.
9. Plug in microwave oven or reconnect power.

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

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, 2010 | Whirlpool GH6177XP Microwave Oven

1 Answer

Whirlpool model number MH7140XFB no longer heats


you either need a new h.v. capacitor or h.v. diode in the magnetron circuitry if you cant hear it cycle when it runs as in a low pitched hummmm when its drawing current to operate the magnetron tube, each part runs about $30 to $45 each,normally its the h.v. capacitor though

Jul 28, 2010 | Whirlpool MH7140XF Microwave Oven

1 Answer

Changed magnetron on microwave, still no heat up


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

567ey

Nov 10, 2009 | Whirlpool MH7140XF Microwave Oven

1 Answer

Microwave started making slightly louder noise now will not heat


either the h.v. diode or the h.v. capacitor are open and replaced they build the hi voltage needed by the magnetron tube assembly

Oct 07, 2009 | Whirlpool MH7140XF Microwave Oven

1 Answer

Whirlpool oven


Hi, there are three issues that will cause a no heat situation in a microwave. these issue are a failed Magnetron, busted cut-off fuse and, failed diode.

I recommend checking all these area that are located inside the microwave for faults.

The most common issue will be a failed Magnetron.

The diode and, fuse will be located on the noise filter assembly.

Jun 22, 2009 | Whirlpool GH4155XP Microwave Oven

1 Answer

F7 Error


This is schematic:
http://www.servicematters.com/docs/wiring/wiring_main.htm
But your correct model # is: GH5184XPS4

F7 Power to magnetron
interrupted
1. Check the door, hinge and cavity front alignment. Adjust as needed.
2. Check the operation of all interlock switches.
3. To check the over-temperature protection for the magnetron, unplug
microwave oven or disconnect power.
4. After 40 seconds, check to see whether this solves the problem.
5. If this solves the problem, check the cooling fan for proper operation or
blockage.
6. Unplug microwave oven or disconnect power.
7. Check resistance of the magnetron thermostat. It should be close to
0 ohms. If necessary, replace magnetron thermostat.
8. Check that the control cable to the 1100 watt inverter is correctly connected
to plug P2 on the display PCB. If necessary, adjust or reconnect.
9. If interlock switches operate correctly, replace 1100W inverter.
10. If problem persists, replace electronic control.
11. Plug in microwave oven or reconnect power.

Dec 06, 2008 | Whirlpool GH5184XPQ Microwave Oven

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