Question about GE JE1640 Microwave Oven

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No power replace fuse

check power

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There are thermal fuses as well as the ceramic power fuse. one is located on the heating element(magnatron) and one on the cabinet. if the one on the magnatron is blown you more than likely have a bad mag as well. if it is the one on the cabinet it just got too hot while cooking

Posted on Jan 31, 2009

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Panasonic microwave will not power on


follow this steps and fix it. God bless you
  1. Inspect the power cord Unplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switch If your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fuses To determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motor Locate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.

Nov 27, 2013 | Panasonic Microwave Ovens

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Mircorwave Repair


When a microwave works normally but just doesn't heat, then this is a faulty magnetron. A replacement can be purchased at repairclinic.com or partselect.com which shows a picture of the magnetron, how to replace it and option to purchase it as well.
If the microwave is not getting power, then first remove the outside shell, then check the glass bus fuse. Make sure the thin wire inside the glass fuse reaches all the way across the fuse and is not broken. If fuse looks good, but still no power, Use a voltmeter and check the power from the power supply to the main circuitry board and make sure it is getting the correct amount of power. There is usually a label on the microwave that tells the DC voltage output.

on Jan 18, 2010 | Microwave Ovens

1 Answer

My M4155sp stopped working. No power at all (yes, I checked the power source). Replaced the fuse behind the keypad, - still nothing. Any suggestions?


please see the next step: God bless you
No Lights or Power, Unit seems Dead First check is the main fuse of the unit. On countertop units, you will need to take the shell off. The fuse will be close to where the cord comes through into the unit. OTR units, this main fuse is usually behind the control panel or possibly behind the vent. Usually the fuse is obvious if blown, otherwise test with an OHM meter, if open, replace fuse.
Some brands will also have a thermal cut-off fuse in the incoming voltage line to the control board. Older Maytags and Samsungs have this fuse in it. This thermostat looking fuse is usually above the oven cavity somewhere under the outside shell. Sometimes you can get to it through the vent of OTR models. Test with an OHM meter, replace if open.
see the diagram attached.
7_27_2012_3_49_52_pm.jpg7_27_2012_3_50_23_pm.gif

Jul 26, 2012 | Whirlpool MT4155SP Microwave Oven

1 Answer

How do I replace the internal fuse on my Over the Range GE microwave? I opened the microwave door and and there was a quick spark after which the microwave went dead with no power. I have checked the...


I would say the lamp popped and took the fuse, so you will need to replace the lamp also.

Dead appliance, power on wall outlet.

YOUR SAFETY IS PARRAMOUNT!

Attempt this only if you are competent.

If your appliance has absolutely no functions at all, remove it from the mains supply, remove the case and see where the mains lead goes in to the appliance and follow the cable until you find the main fuse.
ONLY USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual cause of this fuse failure is the door switches are contaminated or sticking. Check the door switches before putting power back on to the appliance.
Hope this helps.

Jan 05, 2011 | GE Microwave Ovens

2 Answers

Does not start. The power cord, plug, etc., are O.K.


Hello :

Maybe there's a problem with the power transformer or the power PCB [ Printed circuit board ] . Or it could be just a fuse . You need to check first . If it's the fuse , then that will be easy to solve , you need only to replace it with new one . But if the problem is with the transformer or with the PCB , you need to take your microwave to the service for repairing .

To locate the fuse, remove the outer cabinet of the unit, which is usually held in place with a few screws. Once the outer cabinet is removed, follow the power cord into the unit. It will take you to the fuse holder, where the fuse sits. The fuse holder is located two or three inches into the unit, and may be attached to a power board .


CAUTION: Your microwave oven is capable of giving you a serious electrical shock, even when it is unplugged. I strongly suggest you seek the assistance of an appliance repair technician when conducting any microwave oven repair .

good luck .

please rate !

Mar 29, 2010 | Emerson MW8625W Microwave Oven

1 Answer

Microwave doesn't work after house fuse blew


Check the fuse inside the microwave. Unplug the power, remove the case screws on the back of the main case and slide the case toward the back. Remove the outer case and look for a fuse that looks simular to an old automotive fuse, usually near or just above the control panel. Check the fuse to see if it is good, if not replace with the same and reassemble reversing method used to access the fuse. Note: automotive fuses will not work. A replacement will be available at The Shack or a local appliance parts store.

Nov 09, 2009 | Microwave Ovens

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

Does not turn on at all it's totally dead


It may be a fuse or, the power supply board. you can check the fuse by removing the cover. the (IN-LINE) fuse is located on the power supply board. check it for continuity. if the fuse is in good condition, replace the power board.

Jun 03, 2009 | GE JVM1631 Microwave Oven

1 Answer

No power on the microwave


HI, there is an in line fuse located on the Ac power cord near the power supply inside the microwave. Check to see if the fuse is blown. replace the fuse if needed. Now, if the fuse is in good condition, this will confirm power board failure. you will need to replace the failed component or replace the entire power assembly in this case.

May 30, 2009 | Panasonic Microwave Ovens

2 Answers

Has no power


If your microwave oven doesn't seem to work at all, check these: Fuses Usually, when your microwave oven doesn't work it all, the internal fuse (thermal fuse) is blown. This fuse protects both you and the oven. When it blows, you need to have a qualified appliance repair technician replace it. Door switch If the fuse isn't the problem, check the door hooks and the door-release button. When these are broken, the door switch doesn't activate, so the oven can't work.
thanks

Mar 18, 2009 | Panasonic NN-SN657SMicrowave Oven

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