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Steps to repair microwave oven

Steps to Repair Microwave Oven

My microwave stopped operating. If throw it away, the globe can have another trash and that i can got to pay some more cash to bring back a brand new one. i made a decision to open the microwave to ascertain if I will put it aside.

The following steps ar what I did. Finally, I mounted it and therefore the price is barely $3.50.

Warning: 1) scan and Follow the warning label on the microwave. 2) ne’er open back cowl on power enter. 3) electrical condenser should be discharged before starting any repair (In my case, the step isn’t embody, see step 8).
Step 1: disconnect Power and take away Moving elements
Picture of disconnect Power and take away Moving elements
Picture of disconnect Power and take away Moving elements

Be sure the ability wire is unplugged and so take away the moving elements from microwave.
Step 2: Open the rear cowl
Picture of Open the rear cowl
Picture of Open the rear cowl
Picture of Open the rear cowl
Picture of Open the rear cowl
Picture of Open the rear cowl
Picture of Open the rear cowl
Show All eight things

There ar a pair of screws on right aspect and one screw on left aspect. they’ll be simply take away with traditional screwdriver. however there ar four screws on the rear ar very little special, a star screwdriver is required.
Step 3: Check the Fuse 1st
Picture of Check the Fuse 1st
Picture of Check the Fuse 1st

After open the rear cowl, check the fuse 1st. I checked it with a resistance tester, if it shows the fuse resistance worth is eternity. which means the fuse is broken.
Step 4: examine Door Switches
Picture of examine Door Switches
Picture of examine Door Switches
Picture of examine Door Switches
Picture of examine Door Switches
Picture of examine Door Switches
Picture of examine Door Switches
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The next step is to examine door switches. There ar three switches within the microwave. See their location within the photos. depress the pin beside the switch and rotate the switch to a small degree to require it out. examine one by one, I found one switch is no totally different with others, the primary is press the button there’s no contacts click voice, the second, found there’s one thing burned on the plastic by visual review.
Step 5: See inside the Switch
Picture of See inside the Switch
Picture of See inside the Switch

Open this switch to verify. within the image, press the button down, the contacts can not be connected. Yes, this one is broken. Since some plastic is burned, this switch should be modified.
Step 6: get a Replacement half
Picture of get a Replacement half
Picture of get a Replacement half
Picture of get a Replacement half

Found the description and model on the rear of the switch, I bought an analogous switch on-line – the gray one on the image, to exchange the broken switch. Its price is $3.50.
Step 7: Install the New Switch
Picture of Install the New Switch
Picture of Install the New Switch
Picture of Install the New Switch
Picture of Install the New Switch
Picture of Install the New Switch

The following things ar connect wires to the new switch and install it properly. simply reverse the operation what I did. shut the rear cowl, drive altogether screws and place the moving elements back.

Plug in power to check, the microwave works all right.
Step 8: regarding Discharge electrical condenser
Picture of regarding Discharge electrical condenser

In my case, since the microwave has stopped operating and unplugged power for an extended time and there’s one discharge resistance within the circuit, thus I did not show the discharge steps. I consider the comments of instructablers. The electrical condenser should be discharged before starting any repair.

The electrical condenser is within the back aspect lower corner. In my oven, it’s coated by a plastic sheet. Please check it on-line a way to discharge a electrical condenser.

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