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No power hiya The machine is showing no life, it is as if the plug fuse has blown. Is there an internal fuse to replace?

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Yes there is an inline fuze it should be inside the microwave around where the cord comes in

Posted on Apr 24, 2009

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Fuse problem


I very much doubt it, chances are it has blown a capacitor or something along those lines, however the fuse in the mains plug should have blown before any damage was done, that's what they are there for, so if the fuse in plug is ok I think your microwave has had it.

Nov 08, 2013 | General Electric PVM1870SMSS Microwave...

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

The unit made a big pop sound and now it won't heat up


This could be 3 things depending on the model.

1. Internal fuse has blown
2. Capacitor within the microwave has blown
3. Magnatron coil has gone open circuit.

If it was a *really* big pop, then it's most likely to be the capacitor.

Do not open the machine unless you feel confident enough to discharge the main capacitor and ground it to the chassis before performing any work as it will hold a charge for a considerable time even after the device is turned off at the mains.

If the internal fuse has blown, then this can be replaced however it may indicate another problem with the HT power supply side of the circuit.

Mar 24, 2010 | Hotpoint RVM1435 Microwave Oven

1 Answer

Microwave combination oven failureHME9750GB/03 FD8106 (/555350)


APPLIANCE HAS INTERNAL 8 AMP SAFETY FUSE IF THIS HAS BLOWN IT WILL NEED MAJOR REPAIRS AND POSSIBLY COSTLY THIS FUSE ONLY BLOWS IF FAULTS EXIST WITH HIGH VOLTAGE SIDE OF APPLIANCE SO NO NOVICE SHOULD ATTEMPT A REPAIR.

Jan 18, 2010 | Bosch HME9760 Microwave Oven

2 Answers

No power to microwave?


blown fuse take outer casing off and replace the blown fuse.
You can use a piece of tin foil around the fuse until you are able to replace the fuse.

Sep 07, 2009 | Maytag Appliances Over-the-Range Microwave...

1 Answer

Ok , I replaced the fuse checked all connections and checked plug for power ! Still my lg lmv1630st will not show any power at all . What gives?


by replacing the fuse you meant the house circuit fuse or the microwaves internal fuse? and by conncetions your talking the internal wiring inside the case of the unit or wiring from the plug? if not its your 15 or 20 amp ceramic fuse inside the unit,if thats blown replace,but chk h.v.diode,v.v. cap,triac,control board, mis-adjusted interlock safety door switch,and lastly the mag could be defective

Aug 15, 2009 | LG Over-the-Range Microwave

1 Answer

My proline st44 microwave just suddenly went dead. I?ve checked and changed all fuses on the microwave and leads. It comes back again and then goes dead again. The inside door mechanism seems to be intact...


ProLine ST44 950 Watts Microwave
Since this machine is only sold in the UK I do not have a picture to point you to.
The problem is probably a blown thermal fuse. This fuse is located inside the machine and is for detecting overheating and fires. Sometimes age will cause it to fail. It's generally located near the air vent outlet.
If you handy with fixing gadgets you can check it.
Unplug the machine and remove the cover.
You can take an ohmmeter and test it. If it shows open you can replace it. It may be soldered in I am not sure. You can get replacements at an appliance parts store or Radio Shack®. There may be conventional fuses inside so you can check them also.


If nothing else is wrong it might be a door switch problem.
Wear on the interlock causing the crowbar microswitch to short the line and blow
the internal line fuse. The interlock, required by law, contains 3
switches - one switch sends a door-open signal to the
microprocessor, one opens the line and the third crowbars (shorts)
the power leads to the magnetron. If the crowbar switch activates
before the line switch opens, the line fuse gets blown. Just toss the crowbar switch.

May 12, 2009 | Sharp R-242 Microwave Oven

1 Answer

Was using microwave to pop quite a few bags of pop corn to feed birds. Microwave is hot to the top to the touch. lights on the front of the microwave are not lit up, no power. WALL RECEPTCALE is active.


Plug fuse may have blown. Replace that first or test.
Internal temperature trip may have cut out (if present)
Microwave generator (magnatron) may have failed.
Internal power supply may have failed due to moisture.

Very likely this machine is dead.
Save energy - and cash, by feeding birds stale bread and raw seed and corn.
Hopefully the next microwave oven will last longer.

The cost of repair may be more than the cost of replacement. Ask your nearest repair shop how much to replace the microwave unit, and check the power supply.

Sorry I can't offer a quick fix for you.

Jun 13, 2008 | GE Microwave Ovens

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