Microwave will not power up. control panel not lit at all. verified power to outlet, and replaced 2 20A fuses. still no power to appliance. if an interlock tripped (flame or high temp), would it automatically reset or does the interlock need to be replaced?
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Re: fire in microwave
Seems like I've answered this one, too.
Two 20A fuses?? In a recent GE?
The interlock is a door switch, not a thermostat or thermal fuse. A thermostat will reset (unless defective) but thermal cutouts and thermal fuses are one-time devices.
If you or someone you know wants to look into this, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing 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
NOTE: There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET email@example.com http://www.microwavedisplay.com
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follow the next steps and fix it. use the VOM . God bless you
1. No power to outlet (overload or fault in microwave or other appliance).
2. Blown main fuse - likely due to other problems.
3. Open thermal protector or thermal fuse.
4. Defective controller or its power supply.
5. Clock needs to be set before other functions will operate (some models).
see this causes and fix it. 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.
Verify that the power cord is properly connected the outlet; the plug might have been removed to make way for another appliance. Do not connect the microwave to an outlet via an extension cord or plug adapter; the oven must be directly connected to an outlet. Switch the Outlet on
Turn the outlet on, if possible, using the switch on the wall behind the counter or on the plug itself. Some microwaves have a separate power switch that must be in the correct position before you can begin cooking. Reset the Oven
Unplug the oven, wait a few seconds and reconnect the power. A power surge could have temporarily rendered the oven inoperable. The oven should start up as normal when you connect the plug to the outlet. Check the Fuses and Breakers
See that the fuse or breaker protecting the oven's circuit is still active. Replace the fuse if it has blown, or reset the breaker to restore power to the oven. Stop using the microwave if it repeatedly blows fuses or trips breakers.
If the microwave control panel doesn't light up, then your fuse is blown. unplug the microwave. unscrew the vent grill, (2) screws at the top of the microwave. then you should see 1 screw holding the control panel. after removing that screw, gently push up then out. there should be a metal plate on top of the control panel. remove that plate and the fuse will be in that opening. replace fuse and microwave should begin working.
Yes, the microwave has a fuse behind the control panel. it can be purchased at a radio shack or a store like wise. Usually when the fuse blows, it's from a power failure or something inside the microwave getting to hot/overloaded and it will blow the fuse to prevent it getting to the point of catching fire. So my advise is, after changing the fuse and it happens to blow again, then you have an internal issue. Parts for microwaves are expensive and replacing it with a new one usually out weighs the cost of repair.
Hi- The first thing here is safety. If the power supply is good- 120v at outlet- then address the fuse in the cabinet. Open door, remove screw(s) holding control panel, and tilt out panel. Fuse should be visible. Check for continuity. If bad, replace with 15amp appliance fuse. Plug in and check for operation. If fuse blows again, unplug and start looking at a new microwave. Let me know if this info helps. Have more if needed- Thanks- Ed
There are several parts which can cause the unit to be dead, mainly the fuse, thermostat, thermal cutout, or control panel.
You can find critical safety info and disassembly tips ay my site via my listing here: http://tinyurl.com/yzjozk
You can get handy exploded views and order any neededparts here: http://tinyurl.com/gv383
Not sure about that model number though - you might want to verify that.