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LG microwave appears to have fuse blown. Blown at 6 months and now again at 18 months. Any info. on this being a chronic problem? Can this be replaced by homeowner?

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It may be a loose fuse holder.

If you can easily rotate the fuse with your fingers, then the holder is too loose and it needs to be replace, not just tightened with pliers.

Another giveaway is if the fuse has a dark ring and/or small ball of solder at the point where one of the end caps meets the ceramic body of the fuse.

The location of the fuse will depend on the model, but it's usually pretty simple.

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.

At our site, we now have a video available showing how to remove a typical control panel assembly in under 5 minutes.

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

Posted on Aug 02, 2008

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1 Answer

GE microwave oven model#JVM1441BH04 when you close door on switch activates and oven comes on. Only goes off when door is opened.


HELLO.

the problem your are experiencing with your microwave oven is a failed interlock switch.
Be careful when closing your microwave door. Slamming the door too hard is one of the main reasons that the interlock switch is damaged.

Slamming the microwave door shut can easily blow the microwave fuse, but they can also blow due to problems with the interlock switches.
A microwave oven will not function until the fuse is replaced.

Instruction on how to replace fuse on microwave.

1. Unplug the microwave from the electrical outlet to prevent electrocution. Place the microwave in a well-lit area to be able to locate the fuse.

2. Use a screwdriver to remove the outer cabinet of the microwave, and follow the power cord to the fuse. The fuse is located 2 to 3 inches within the microwave and is attached to the power board.

3. Observe the fuse to determine if it is blown. Blown glass fuses will produce burn marks on nearby surfaces, or the internal fuse wire will be black and melted, while ceramic fuses show no outward appearance of being blown.

4. Determine if a ceramic fuse is blown by testing it with an ohmmeter. If the ohmmeter reads zero ohms, your fuse is not blown. Other readings on the ohmmeter show that your fuse is blown.

5. Replace the blown fuse by popping it out of its holder, and snapping a new fuse in its place. Tighten the fuse clips by squeezing them together with your fingers.

6. Replace the outer cabinet of the microwave, and plug the microwave back into the electrical outlet. Test the microwave to see if it's working properly.

thanks.

Sep 22, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

My old GE Spacemaker II microwave (JEM21K001) died. I was using it, heard a little pop, and it lost all power. Is this something simple to fix like replacing a fuse or is it bulk trash at this point?


HELLO.

take on these steps to solve the problem.

Check if there is electric power on wall outlet.

If the microwave plug has fuse,check if it has not burnt.if these are okay there is need to take the last step.

things needed
1.Screwdriver
2.Ohmmeter
3.New fuse

1. Unplug the microwave from the electrical outlet to prevent electrocution. Place the microwave in a well-lit area to be able to locate the fuse.

2. Use a screwdriver to remove the outer cabinet of the microwave, and follow the power cord to the fuse. The fuse is located 2 to 3 inches within the microwave and is attached to the power board.

3. Observe the fuse to determine if it is blown. Blown glass fuses will produce burn marks on nearby surfaces, or the internal fuse wire will be black and melted, while ceramic fuses show no outward appearance of being blown.

4. Determine if a ceramic fuse is blown by testing it with an ohmmeter. If the ohmmeter reads zero ohms, your fuse is not blown. Other readings on the ohmmeter show that your fuse is blown.
5. Replace the blown fuse by popping it out of its holder, and snapping a new fuse in its place. Tighten the fuse clips by squeezing them together with your fingers.

6. Replace the outer cabinet of the microwave, and plug the microwave back into the electrical outlet. Test the microwave to see if it's working properly.

Thanks.

Sep 18, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

There are condensation, water drips between the glass on the door of my over the counter microwave/convection oven. Is this a problem? How can I clean this? Microwave is only 6 months old.


HELLO.

Yes.Water can only drip between the glass on the door when the door do not seal properly due to dirt on the microwave door.follow these steps given below to clean the door.

1. Unplug the microwave from the electrical outlet to prevent electrocution. Place the microwave in a well-lit area to be able to locate the fuse.

2. Use a screwdriver to remove the outer cabinet of the microwave, and follow the power cord to the fuse. The fuse is located 2 to 3 inches within the microwave and is attached to the power board.

3. Observe the fuse to determine if it is blown. Blown glass fuses will produce burn marks on nearby surfaces, or the internal fuse wire will be black and melted, while ceramic fuses show no outward appearance of being blown.

4. Determine if a ceramic fuse is blown by testing it with an ohmmeter. If the ohmmeter reads zero ohms, your fuse is not blown. Other readings on the ohmmeter show that your fuse is blown.

5. Replace the blown fuse by popping it out of its holder, and snapping a new fuse in its place. Tighten the fuse clips by squeezing them together with your fingers.

6. Replace the outer cabinet of the microwave, and plug the microwave back into the electrical outlet. Test the microwave to see if it's working properly.

Thanks.

Sep 17, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Blown fuse 10 amp LG microwave oven model ms2127c it blown while im cooking a popcorn. what shall i do?


You can get a replacement fuse from almost anywhere ranging from Ebay to an authorised LG repair agent, but please remember a blown fuse can simply be the symptom of a larger problem, so my advice is to buy two, replace it, if it works then you have a spare, but if upon replacing the fuse,it blows again straight away, your microwave may have a more serious problem. PLEASE READ UP ON THE DANGERS OF A HIGH VOLTAGE CAPACITOR AND ALSO HOIW TO DISCHARGE ONE AS THEY CAN HOLD A LETHAL AMOUNT OF CHARGE AND CAN CAUSE FATAL INJUFRIES INCLUDING DEATH.

Sep 06, 2010 | LG Microwave Ovens

1 Answer

E-Wave over the range microwave has blown main fuse


My Ewave has stopped heating eventho it appears to be running. Is is possible the power has been reduced or does the microwave need to be replaces

Nov 16, 2009 | Microwave Ovens

1 Answer

Doesn't "nuke" anymore


Unplug it. Take off the metal cover. Look for a fuse. Probably blown, replace it with same size. If it blows again, scrape it.

Sep 14, 2009 | LG MS-0744Y Microwave Oven

2 Answers

MICROWAVE WILL NOT HEAT


In my case I found an additional fuse, a high tension fuse (5KV 0.8A) in a white on-line isolation slave next to the transformer.
The fuse was blown.
I guess replacing it should solve the problem.

Oct 07, 2008 | Microwave Ovens

1 Answer

Works but no heat


Possibly a blown fuse inside, or a defective magnatron. If you decide to open the unit, please unplug it first!

Geno

Feb 26, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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