The relay switch may also be known as the door micro switch and is a part for your microwave. The function of this part is to monitor the door latch and communicate whether the door latch is open or c...
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2 questions answered by our experts.
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Tom
October 30, 2021
My handle is becoming loose. How do i access the screws to tighten them? Thanks, tom
For model number CPBM189KFC
Hello Tom, Before you begin any repair, please unplug the appliance from the electrical outlet. You will need to remove the plastic lining around the inside of the door. There are retainer clips holding the liner in place and you will need to use a putty knife to remove it. Depending on the type of microwave you have, you may have to come in from the bottom or from the top to remove the lining. Gently slide the putty knife in between the lining and the frame and go around the frame and gently pry it loose. On the hinge side you will need to come in from the backside to pry the lining off. We hope this helps. Good luck with your repair.
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Malcolm
July 5, 2021
How big a job is it to replace the magnetron in this unit? My microwave is very slow heating anything up. I am assuming it is the magnetron .
For model number CPBM189KFC
Hello Malcolm, Thank you for the question. If you are not familiar with Microwave repair, we suggest contacting a Repairman. The appliance can hold a charge even after being unplugged and it can be dangerous. We hope this helps!
I first removed the top plate above the microwave door (3 screws), then I removed the plate containing the buttons and clock. The microwave has 3 relay switches and they are in a little holder. The holder was too difficult to remove so I just removed the bottom switch and replaced. The microwave started right up.
was told buy a repair person to check the door micro switches as it was a common problem. removed the top plastic air grill to get access to the screw that holds in place the control cover. After unplugging the unit, i took out the (2) screws that held in the switches and removed them (3). One switch was a bit melted so i tested it with a 12 volt battery and it was bad. Ordered a new one from Part select and got it fast . Works great .
After unplugging the unit remove the control face buy removing the screws. All three door switchs are on a bracket on the left. Remove the two screws holding the bracket in place and pull out. Disconnect the wires from the three switches and test each switch indivually to determine the bad one. I used a multimeter set on ohms.Replace the bad switch with the new one and replace all the wires. Reassemble the unit and you are good to go.
