Question about Whirlpool GH7208XR Convection / Microwave Oven

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Turntable doesn't turn smoothly

The spinning of the turntable sort of stops and starts. If I am heating a liquid it can splash out of the container due to this. All components are assembled correctly

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Faulty turntable motor....regards Phil

Posted on Jan 08, 2009

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1 Answer

Oven heats, but light, fan and turntable do not come on.


Hi Ted

many microwaves have safety mechanisms to reverse, or stop the turntable if it senses resistance to the turning. This is done both because
  1. the turntable is usually driven by a small motor with a gear reduction transmission to get more torque on the glass platter and your food, and if something resists the turning, it can damage the gear train or belt if it keeps running.
  2. if you have something with liquid in it and it hits a wall, it could tip over, possibly spilling scalding liquid all over and maybe surprising the person who opens the door.
In some cases, it'll just stop and then try again the next time you run the microwave. The banging on the case sometimes turning things back on suggests that either something in the turntable mechanism is awry, or that there is a common hot wire, ground loop, or possibly fuse for the light/fan/turntable.

the manual for the oven doesn't really say anything about this.

You can see generic intructions on looking for an internal fuse here
Panasonic Microwave NN CT552W has no power plug fuse ok Has it got thermal... . Please, in particular, make sure you unplug the oven before opening anything. This is one of those devices where defeating the interlocks and having it turn on can seriously hurt you.

With regard to the turntable, in particular, it's really easy over time for exploded spaghetti sauce, spilled cocoa, and overmelted butter to have run down into the indentation in the middle of the bottom of the oven cavity. Remove the platter. Is it clean in there? Does it look like the 'this person never flosses' picture for mechanical rotors? If so, start with some kitchen cleaner and a washcloth damp (not soaked) with hot water. Let the cloth steam /warm the area a bit, wipe it down. repeat if necessary. If there's a lot of cruft built up there, that could be keeping you on the edge of safety shut-down.

Good Luck!
D

Nov 24, 2015 | GE JE1140 Microwave Oven

1 Answer

Sounds normal when running but will not heat food and turntable does not work


You didn't specify a particular model, but the no-turntable and no-power symptoms are likely linked. Many microwaves have sensors to the turntable motor to tell if something being heated has been run into a wall (round turntable in a rectangular box, it can happen), Depending on the model, it may reverse direction, or it may just stop turning. This is both to keep from mucking up any reduction gearwork likely at work to turn some small motor spinning at a higher speed into a big table with a few pounds of food turning slowly with reasonable torque. It also will stop so that things won't get tipped over - no good to anyone if a poorly chose top-heavy bowl full of scalding liquid gets tipped over, flooding the microwave and burning whoever opens the door.

So... I'd remove the carousel plate, if possible, and see if the base is all gummed up with old spilled, ultra-baked-on crust or gummy residue. if so, between washcloths with scalding water and some gentle cleaner, like Simple Green, try to clean up the area and remove what might be freezing the spin shaft up. See if you can wiggle the shaft or turn it slightly with fingers or a small pair of pliers. If not, there may be more stuff gummed up further down the shaft. Don't expect to just spin it, it's probably tied to a motor with a belt or gear assembly that will put the mechanical advantage working against you.

After that - you can try unplugging the oven for a few minutes, in case it's either overheated, or in a 'safe' mode, or look for an owners manual for your specific model to see if there's a button combo to reset things, (or accessible fuses).

Good Luck!

Nov 13, 2015 | Microwave Ovens

1 Answer

Why would the turntable stop turning and the unit stop heating?


hi,
there is a micro switch that signals when the door is closed. this tells the machine that it's okay to start the turntable and heating process.. if the micro switch breaks or shorts out then the switch does not send the signal so the machine does not work.
hank

Sep 06, 2014 | Sharp R-1505 Microwave Oven

2 Answers

Why does my microwave turntable turn when I open the door?


We recommend you have the microwave evaluated by an authorized service center.

Authorized service centers can be located in the below link.

www.panasonic.com/repair

May 01, 2014 | Panasonic NN-H965WF - Microwave Oven...

1 Answer

Turntable stopped turning


This is quite a common problem and often associated with a recent spill (boiling over) of liquid in the microwave. Liquid overflows the glass dish, onto the floor of the microwave and down the hole where the drive motor that turns the plate is located. Liquid runs down the shaft of the motor and into the drive motor which then stops it functioning. Because the drive motors on most microwaves are induction motors, and not driven by a traditional armature with brushes, about 75% of the time you can fix this by drying the motor out (Though this depends on the liquid spilled).
You will have to get into the underside of the microwave, often this means snipping a bit of the casing directly under the drive motor (Which is of course directly beneath the drive shaft that pokes up beneath the glass plate).
Once you gain access, you will see the motor clearly and it is usually held in place by 2, 3 or 4 screws, unscrew from mountings, unplug the power wires (They usually have a couple of wires from the motor with a little plug on the end that you can pull out).
Give the motor a good shake to remove any liquid and then go put it on top of your boiler, in your airing cupboard, out in the warm sun or even (If you trust yourself not to cook it!) in your oven on a very very low heat. Leave in the warm place for a day (not that long with the oven option!!) until it is thoroughly dry. To test, plug it back in, but don't bother to reassemble yet. Turn on the microwave and see if the spindle turns. If it does, it's fixed, if it doesn

Aug 23, 2011 | Microwave Ovens

1 Answer

PANASONIC GENIE NN S615WFX TURNTABLE DOES NOT TURN


This is quite a common problem and often associated with a recent spill (boiling over) of liquid in the microwave. Liquid overflows the glass dish, onto the floor of the microwave and down the hole where the drive motor that turns the plate is located. Liquid runs down the shaft of the motor and into the drive motor which then stops it functioning. Because the drive motors on most microwaves are induction motors, and not driven by a traditional armature with brushes, about 75% of the time you can fix this by drying the motor out (Though this depends on the liquid spilled).
You will have to get into the underside of the microwave, often this means snipping a bit of the casing directly under the drive motor (Which is of course directly beneath the drive shaft that pokes up beneath the glass plate).
Once you gain access, you will see the motor clearly and it is usually held in place by 2, 3 or 4 screws, unscrew from mountings, unplug the power wires (They usually have a couple of wires from the motor with a little plug on the end that you can pull out).
Give the motor a good shake to remove any liquid and then go put it on top of your boiler, in your airing cupboard, out in the warm sun or even (If you trust yourself not to cook it!) in your oven on a very very low heat. Leave in the warm place for a day (not that long with the oven option!!) until it is thoroughly dry. To test, plug it back in, but don't bother to reassemble yet. Turn on the microwave and see if the spindle turns. If it does, it's fixed, if it doesn

Jul 20, 2011 | Microwave Ovens

2 Answers

Microwave lights, clock, and everything works except when you press start, it just counts down like its cooking, but the microwave is actually not on. No hum as usual or plate rotating. It just counts...


Hi, one of the most common reasons why the turntable won't rotate is that the microwave isn't clean. The turntable guide and carousel can get sticky, preventing the turntable from properly moving. If you have built-on food particles or liquids, fill a bowl with 2 or 3 cups of water and 1 tsp. of liquid detergent and lemon. Run the microwave for about 3 minutes. Clean the microwave with a cloth, including the base of the turntable, guide, carousel grooves and microwave base. Your microwave turntable won't rotate if the grooves on the base of the turntable do not sit right on the carousel. Also, check the position of the turntable guide. Place the guide directly under the turntable. Remove the turntable, and then reposition it into the carousel grooves.
Motor The carousel motor is located beneath the base plate of the microwave. If the carousel isn't turning at all, check the motor. Disconnect the microwave from the power source, and remove the turntable, guide and base plate. Try turning the motor to see if it's just stuck. If it doesn't turn freely after a few seconds, examine the motor to see if it's burned out or corroded. Use an ohmmeter to see if the motor has continuity. If not, you must replace the motor.
Bushings The drive bushings are plastic components that sit underneath the cooking plate. Remove the plate, and examine the bushings. Use a magnifying glass if necessary to see if any debris is caught in the plastic. Clean the bushings, and reinsert the plate. Turn the microwave on to see if it rotates. If the bushings are extremely worn or if some of the plastic is broken off, you need to replace it, which is a complicated repair for consumers. Contact a service technician for assistance.

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1 Answer

The plate of my microwave own doesn't turn


Turntable motor must be replaced.

May 28, 2010 | Microwave Ovens

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Microwave turntable is jerky rather than smoothly turning... it's a Whirlpool Gold GH8155XMB-0, made in October 2003 ... is there some sort of belt that can be replaced or motor or something? Otherwise,...


first check the roller under the turntable is correctly seated if so pull the drive coupling out from inside the oven and check for damage. If all of the above are OK you will need a replacenet turntable motor

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