Question about Whirlpool GH7145XF Microwave Oven

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My house lost power earlier today, and now my microwave is not heating the food, and has a lower case "d" in the display after the time. Any suggestions?

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It is in the demo mode. To turn off here is what the manual says:

The microwave oven and Timer must be off. Touch and hold Timer Off or the number 3 pad (depending on model) for three to five seconds (depending upon model) until two tones sound and “d” or "Demo" (depending on model) appears on the display. Repeat to turn off and remove “d” or "Demo" icon from the display.

Posted on May 10, 2010

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1 Answer

Want run or turn on to heat food


if your microwave is not heating food there could be two possible reasons. firstly maybe its the high voltage fuse that's gone,in that case the display is on the motor rotates but no heating since power is not reaching the magnetron. Secondly if your high voltage fuse is ok,display is there but no heating, the magnetron is faulty and it needs replacement

Nov 21, 2012 | Microwave Ovens

Tip

Error Code "d" - Microwave does not heat


The microwave could be in "Demo Mode" - Check your owners manual.

In Whirlpool/Kenmore models this is indicated by a lower case "d" on the right side of the display panel.

Most/All function except the magnatron (heat) work in demo mode so you can can learn to use the oven without actually cooking food

To clear "demo mode" press the "kitchen timer" pad and hold for 5 seconds until the "d" clears from the display... you may hear 2 beeps.

on Jun 16, 2009 | Kenmore 60654 Microwave Oven

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Or the microwave could be in "Demo Mode" - Check your owners manual. In...


If the microwave operates normally, but does not heath at all, then it can be the high voltage capacitor, the rectifier diode.or the magnetron.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, your model number did not return any result, contact the seller here to purchase parts. (here in UK).

on Jun 16, 2009 | General Electric Microwave Oven

1 Answer

Food not getting heated


There are three common issues, magnetron "heats food" cracked high voltage diode, or a shorted high voltage capacitor. In order to find out you will need a professional to assess, it will be probably cheaper to replace the microwave oven.

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Frigidaire microwave not heating over the range


Hello

Try to cook something simple such as microwave popcorn. If the unit does not light up or turn on, check the outlet with another appliance to make sure the outlet is functioning correctly.


Check the fuses or circuit breakers in you house. If the outlet does not work after testing it with another appliance, try to plug the microwave in a different outlet.


Check the hinges and door hooks to make sure the door is closing properly. Look to see whether a small piece of food is clinging to the door, preventing it from closing all the way. Check the release mechanism and the rotating plate to make sure they can move freely as well.


Plug in the microwave and start it a the bag of microwave popcorn inside. If the lights go on but it is not producing heat, listen and try to hear whether the unit sounds the way it usually does. If it does not, there might be problems with the circuit board. This will need to be repaired by a certified Frigidaire professional.


Check the display that shows the time and power. If the display is flickering but it does not alter the operation of the microwave, it is not a problem. If, however, the lights flicker and your food is not heating, there may be a problem in the microwave cabinet.


Listen for buzzing sounds. If there is a buzzing sound and no heat is being produced, you may have to get a new magnetron, power diode, or high-voltage capacitor. These can be purchased from a Frigidaire retailer.


Look at the handle on the door. The most common complaint about all models of the Frigidaire microwave, according to Consumeraffairs.com, was cracked or broken door handles. Frigidaire will replace faulty handles while the oven is under warranty. In many cases, they will replace the handle even after the warranty expires for a "reasonable" amount of time.

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1 Answer

Mu accuwaave makes a short noise intermittenly while trying to heat


Hi,

Is your microwave oven set to full power when the intermittent noise occurs?

If it's set to a lower power rating, then the noise you describe sounds perfectly normal.
At a lower power setting, the device which creates the heat or microwaves, called the magnetron, switches on and off intermittently so that the food etc. is not cooked too fast.
This is quite normal & you should only be concerned if the noise occurs while the microwave oven is set to full power.
In that case you will have to have it checked out to see what the cause is.

Best wishes,
Graemevm

Mar 24, 2011 | Whirlpool Accuwave Microwave Oven

1 Answer

Not heating food


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

Microwave Oven Basic Troubleshooting Tips

heatman101
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1 Answer

Not cooking food even though it comes on


Check the power setting. You can tell if it is on a lower setting because it will cycle ( you can hear it humm lower for a short time then the sound is different and then it humms the same again. It happens...it is new.

Sep 02, 2009 | Oster 0.7 Cu. Ft. Compact Microwave

1 Answer

Kenmore Microwave Won't Heat Food


The service manual is here.

Unless there's a bad connection at a magnetron terminal, I would say you have a failing magnetron.

It is part number 2B71165R and you can get it from the Pros here for $68.59 (subject to change).

For more free DIY and other help & advice, feel free to contact me via my site.

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

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Convection oven problem


Most of the time the magnetron is defective if the food is not heating up.
In some cases there is a defective low power transformer or other componenents associated with the magnetron.
I would suggest to check the owners manual under the warranty section. Sometimes the magnetron has 5 years warranty.
Good Luck.

Feb 15, 2008 | GE JVM1490 Convection/Microwave Oven

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