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Jvm1533wd spacemaker wont heat up and has a loud humming noise

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  • Sonia Guzman Sep 26, 2009

    can someone plase help me for free

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I have found that in nearly all cases, it can either be the high voltage fuse or the magnatron assy. The high voltage fuse can be found normally enclosed running from the high voltage capacitor to the transformer. Always make sure you read up on discharging high voltage capcitor , for it can store a dangerous amount of voltage and if not discharged can cause serious injury or death. Good luck.

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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1 Answer

Runs but has loud humming sound. Does not heat. Turntable, timer and lights work.


The diode that connects to the capacitor needs to be replaced. Once its replaced microwave will begin to heat again. (If it wasn't heating and wasn't making a humming noise, then your magnetron would need to be replaced). If you are thinking of doing it yourself and need instructions, i'll be glad to help.

Feb 06, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Wont heat. Everything else seems to work. I notice a HUMMING noise while it is opperatiing


A loud humming or buzzing noise would indicate a short on the magnetron circuit, the part that heats the food. These can be expensive to repair since the cost of the magnetron can be as much as a new oven. Get a few estimates before deciding whether to repair or replace.

Dec 07, 2010 | Whirlpool GH4155XP Microwave Oven

1 Answer

I press #1 and hit start the blower works and light comes on but no heat


Sounds like the magnetron circuit has failed. It is the part that generates the microwaves that heat the food. It often shorts out, and makes a loud humming or buzzing noise when it fails. It's not usually cost effect to replace since the part alone can cost as much as a new oven.

Dec 06, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Microwave comes on but not heat item


It's most likely the magnetron that has failed if it does not heat the food. The magnetron is the part the generates the microwaves. When it fails, it typically shorts out, and makes a loud hum or buzzing noise. If this is the case, it is not worth fixing since the cost of the magnetron is almost as much as getting a new oven. Sorry.

Jul 02, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

The unit is 3 years old and when I turn it on there is a loud hum. Theunit also does not heat but turns the turntable?


From your description it sounds like the magnetron has failed in this oven. That's the part the makes the microwaves to heat the food. It typically fails by shorting out and making a loud hum noise. It not usually worth fixing since the price of a replacement magnetron is almost as much as a new oven.

Jul 01, 2010 | GE Profile Spacemaker JVM1871 Microwave...

2 Answers

I have a GE Spacemaker XL1800, no heat and a humming noise.


magnetron problem DON'T KNOW IF WITH FIXING - WOULD LIKE TO KNOW MYSELF

May 02, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Ge spacemaker xl 1800 - no heat


HI, the loud popping noise was the Magnetron tube. this is the main heating device. the noise filter is also damaged and, should be replaced as well.

In conclusion, replacing the Magnetron tube and noise filter will fix this unit.

Jun 16, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Spacemaker XL1800(JVM1850CF001) - Loud Humming noise


You either have a bad magnetron tube (5 or 10 year parts warranty item through GE Factory Service 1-800-432-2737 or www.geappliances.com) or a shorted high voltage rectifier. I think the light being out is a secondary problem.

Dec 18, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Microwave JVM 1640 BB - Spacemaker


ARE THE LIGHTS WORKING WHEN YOU OPEN THE DOOR?
DO THE CLOCK WORK? IF YES YOU MAY HAVE A BAD
TRANSFORMER,DO THE LIGHTS GO WAY DOWN WHEN YOU
HIT THE START BUTTON? YOU ALSO MAY HAVE A BAD CAP.
(DO NOT FOOL AROUND IN THIS PART OF THE OVEN)!!!!
BECAUSE MOST TRANSFORMERS PUT OUT ABOUT 2200VAC.
YOU CAN AND WILL BE KILLED IF YOU MAKE A MISTAKE HERE. IF YOU NO NOTHING ABOUT HV. STAY AWAY!!!!!!!!!

Jan 19, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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