Question about GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Ge spacemaker xl 1400 microwave

Stopped heating

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  • Anonymous Jan 05, 2009

    No heating

  • Anonymous Mar 01, 2009

    I have the same problem. Just happened. Everything else works great, just no heat.

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1 Answer

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  • GE Master
  • 19,396 Answers

Test the high voltage capacitor,the rectifier diode.or the magnetron.

If it additionally does not spin and no light, then check also the door switch.

The diode and capacitors can br tested. The capacitor must be alloweddischarge before testing, or you risk to get electrocuted, even ifpower is off. Capacitors can get discharged by shorting their twocontacts.
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, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

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1 Answer

My spacemaker microwave XL 1400 no longer heats up? Would should I do? The light works, however. Please help! Thank you :-)


Likely a magnetron problem. I know they want approx. $150 just for the replacement part. It sits toward the back of the unit. Unless you are in love with your existing unit, it's likely time for it to visit the curb.

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actually the two things you mentioned are a pretty reliable indicator :/

The only way to be positive is to check for power from the high voltage transformer. If you are not trained to work around electricity, i wouldn't mess with it because it can most certainly kill.

if there is no power coming from the HV trans, you then trace power back toward the cord. The component that has power going in but not coming out is the culprit.

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This sounds like a thermostat or magnetron tube
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Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

fgkjf

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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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First, wipe out any excess crumbs. Then fill a microwave-safe bowl with about 1-2 cups of water. Add some lemon juice, or put in half a piece of fresh cut lemon (squeezing some juice out first) into the bowl... Microwave until the water is boiling. Then let it sit for a few minutes to let the steam penetrate the interior. Carefully remove the bowl and interior tray. Wipe down the interior with a damp cloth. Wash the tray in the sink with dish soap, dry, and then return to microwave. For the outside, spray with a kitchen cleaner and wipe with paper towels. The main idea is that the steam from the water will loosen food particles, and the lemon will add a fresh smell.

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1 Answer

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Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

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