Question about Whirlpool GH6178XPS Microwave Oven

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Whirlpool microwave model GH6178XPS-2 : problem weak heat after 2 minutes on 100% power 1 cup of water only luke warm. noticed stirrer fan turning slowly. pulled all filters same no change. Dislay shows no errors. Possible problem magnatron or stirrer motor?

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6ya6ya
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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: KCMS185JSS-1 Microwave test results

Assuming your power line voltage is right, bearing the whole thread in mind, I'm sure you have a bad magnetron.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

There should also 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.

If you follow the safety & disassembly info, this is not a difficult job for a do-it-yourselfer.

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

Posted on Dec 05, 2008

  • 291 Answers

SOURCE: 4 minutes to make cup of soup luke warm

Weak magnetron, or transformer, not worth repair as the cost of parts alone can buy one to two microwave ovens.

Posted on Jan 01, 2010

BIKER T
  • 909 Answers

SOURCE: Whirlpool MH3184XP Microwave Turns On,

Suggest you pull the plug out, remove outer cover and place a cup of water into the micro. Set power to minimum then switch on and take note if the fan works or not. If not, switch off immediately and have it replaced(magnatron will burn out if left to run without fan.)

Posted on Sep 18, 2010

  • 6771 Answers

SOURCE: whirlpool microwave have power, not heating up food or water

The problem is most likely the magnetron, or the inverter board, "7years old or less" and possibily the keypad control board.

Posted on May 03, 2012

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1 Answer

Microwave made a loud grinding noise while heating a cup of coffee for 1 minute,now everything is shut off. We checked the curcit breakers all ok, and there is power going to it!


see this causes and fix it. God bless you
Turntable Motor If the microwave is loud or noisy the turntable motor might be worn out. This is a common problem and relatively easy to replace.
Stirrer Motor If the microwave is loud or noisy the stirrer motor might be worn out. The stirrer is a metal blade which slowly turns around, deflecting the microwave energy in a random pattern inside the microwave oven. As the motor nears the end of its useful life it begins to make grinding noises. The microwave will not heat food evenly without this stirrer, the motor should be replaced.

Exhaust Fan Motor If the microwave is loud when running the fan motor might be

Magnetron If the microwave is loud or noisy only when cooking, the magnetron tube might be defective. The magnetron uses high voltage, high current DC power to generate the microwave frequency that cooks the food. Under normal circumstances the magnetron is nearly silent. However if it is damaged or nearly burned out it can begin emitting high pitched or growling noises. It's not normally dangerous to use a microwave oven when it makes these noises, but they are an indication that the magnetron is almost dead and will need to be replaced.
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Oct 15, 2012 | Microwave Ovens

1 Answer

On my amana rfs8b the stirrer or bracket cought on fire , whould the stirrer being stuck cause this?


Yes! it is more than likely that what happened [ motor overheated because it was seized] my main concern is the magnetron, if it ran for all that time without food, it has more than likely sustained damage.

May 22, 2012 | Amana Microwave Ovens

1 Answer

Last year i bought microwave model no:black & decker from dubai. but my family members does not know to use all touch buttons. once my daughter tried to prepare fry some vegetable...


It is important that you attend a class on microwave cooking as it is important that during the process of microwave cooking it is the conduction in the food -- the molecules are agitated with microwave energy to heat up individually as the vessel does not heat.-
So the TIME and the POWER SET ON THE MICROWAVE is very critical which must be learned.
Start by keeping a glass/cup of water and choosing 1 minute for warming . Now watch and advance the time as you notice the heat building up.
.

Dec 23, 2010 | Microwave Ovens

1 Answer

Whirlpool MH3184XP Microwave Turns On, Heats, but sounds like fans not working. 4 years old, fans worked fine until they seem not as loud anymore. The magnetron is working fine as it heats (did the 1 cup...


Suggest you pull the plug out, remove outer cover and place a cup of water into the micro. Set power to minimum then switch on and take note if the fan works or not. If not, switch off immediately and have it replaced(magnatron will burn out if left to run without fan.)

Sep 18, 2010 | Whirlpool MH3184XP Microwave Oven

1 Answer

Microwave runs but does not heat or cook food



If a Goldstar, LG or Zenith MV1610 or MV1608 is running but not seeming to heat a load placed in center of turntable, its probably because the "stirrer" intended to spread microwaves generated by the magnetron around the cook chamber is stuck so that most all the heating is directed toward the back and top rather than the center of the cook chamber. This usually occurs after cooking for longer than a minute with no load in the cook chamber - as when a model w/o a timer (such as a MV1608) is intentionally operated in cook mode to serve as a kitchen timer, or when a model with a timer function (such a MV1610) is accidentally operated for longer than a minute w/o any load. Before assuming the magnetron (usually warranted for 5, 8 or even 10 years) or other high voltage component such as diode or capacitor needs to be replaced, try “cooking” a 16 oz pyrex cup of water at full power on the outer edge of the turntable for 2-3 minutes - which usually reactivates the "stirrer" and restores normal cooking function.

Jan 18, 2010 | LG Microwave Ovens

1 Answer

4 minutes to make cup of soup luke warm


Weak magnetron, or transformer, not worth repair as the cost of parts alone can buy one to two microwave ovens.

Jan 01, 2010 | Microwave Ovens

2 Answers

JVM1540DN1WW leaves food cold


Put in one cup of water at 2 1/2 minutes on high -- it should boil.

The fan slowing down is normal becaue the magnetron, which does the heating and, which pulls about 10 amps, will drop the voltage across the fan and slow it down.

What type of circuit was your old microwave using? Was it a circuit dedicated to the microwave?

Charlie

Aug 22, 2009 | GE Spacemaker JVM1540 Microwave Oven

1 Answer

My Whirlpool microwave model MH9181XMT started making a loud noise while running (it sounds like a wobbly fan) It continues to heat and run perfectly but with the noise. Any ideas?


Assuming you already ruled out the exhaust fan there are 2 stirrer motors, one for the turntable and one for the stirrer blades in the top. One of those could be bad. eric

Aug 05, 2009 | Microwave Ovens

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