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Defective door interlock switches
Removed each switch (3) and checked them with multi-meter; got intermittent readings on two of the three. Also broke of a piece of the frame that holds the switches trying to remove them (old, exposed to heat and moisture over the years caused the plastic to become brittle and the wiring connectors were also hard to disconnect probably because of heat and moisture over the years). Went to PartSelect web site and discovered the three switches and frame were bundled in to one part number, 43501A. So, I called and spoke with a very knowledgeable technician and she explained why plus helped me order the part over the phone. When I received the part, the switches were already mounted in the frame and the frame was modified compared to the OEM frame. As I began to remove the old frame, I discovered why the new frame was modified. It was as if PartSelect had done many of these door interlock repairs and they knew exactly where and how to modify the frame and communicated this with the manufacturer, because the new frame installation was very easy, there was nothing hard about installing the new frame with the switches already in place. I then reconnected the wiring to the switches and tested the microwave and it works fine now, Problem solved, Thanks PartSelect.com
Disassembled the front cover, found slow blow fuses, then replaced with microwave fuses 250V-20Amp. Utilized a few fuses to pin point the problem, Microwave functions all worked except the express feature, made an assumption after using a tester that it was the high voltage capacitor and the diode that attaches. Replaced both, plugged in and tested. Worked! reinstalled the unit. Sucessfull for the past month.
Traced problem to the door primary interlock microswitch.By the way this is the second time this switch has failed. Switch appears to fail after about 3 years. Replacing the lamp was bear.I have the SCA2000BCC03 advantium. It is almost impossible to replace the interior light. After removing from wall remove the case and the control panel disconnecting all of the wires. Gentley pull cavity outward giving you enough room to get an offset philips screwdriver on the single screw retaining the lamp. Its a bear but its possible to do and probably saves you $150 service charge. GE must have assembled the bulb unit before placing it into the unit. There is no simple way to replace the bulb. Maybe new units have easier access. My is 12 years old.
I needed to remove the front fascia plate and remove the microwave from the cabinet. Then I had to remove the microwave cover. This entailed some difficulty because GE used special screw heads to discourage people from fixing their own appliances. Then, I had to find the bulb fixture and that also was difficult and not obvious.
Opened door to get food put more food in closed door it wouldnt work
Everything worked on the display light inside worked but when you closed the door and set time it would start counting down but not heating nor would the turntable turn. Started reading troubleshooting chart and first thing I did was removed the cover and checked door switches and found primary door switch wasn't working so I ordered a new one installed it and it worked. Anyone doing this has to be very careful because of the stored energy in the capacitor is strong enough to kill. My micro is only 2 years old so I was hoping it wasn't anything major.
When the MW door was opened a fan would start running. Close the door the fan would go off.
Removed the MW from the wall. Took the top screws off the air vent. Then removed the two screws holding on the display. I then moved the display to its side and it revealed the micro switches. I removed the plug in leads from the micro switch one at a time. I did this with all three micro switches only one at a time. I reinstalled everything and plugged it in. No more fans starting when the door is opened.
I REMOVED THE TOP PANEL OF THE MICR0WAVE AND THEN REMOVED ONE SCREW TO REMOVE THE CONTROL PANEL. rEMOVED OLD SWITCH. SNAPPED IN NEW SWITCH AND CONNECTED WIRE. REPLACED CONTROL PANEL AND UPPER PANEL.
Removed some cosmetic panels. Removed the assembly with micro switches. Examined the faulty switch by checking the clicking action of switch. Two others were ok by this method. Replaced the switch with new one. Works fine so far. Thanks to web site and YouTube videos.
the turn table no turn and no heat the food. but the bottom oven worked
well I unplugged the microwave one day prior to working on it. shock precaution smart way to do this job. very easy pullout the screws behind the unit pull off the outer casing. minor screws inside the unit you have to remove a couple things out of the way. unplug the magnetron and remove first gives you more room to work on the side panel to replace the micro switches. I only replaced one the bottom micro switch. only one bad, but since I was in there I clean the bulb and changed the magnetron any ways. I read other reviews and made my choice to do so. it works perfectly now. Thanks PartSelect for having parts.
The microwave had been mistakenly turned on with nothing in it and the turntable coupler was badly burned. Pieces of it eventually broke off.
The burned remnant of the coupler was a bit difficult to remove. I did so with a pliers and also used the pliers to clear out some burned fragments of the coupler. With a flashlight I determined that the slot for the coupler was now clear. I matched the configuration of the slot with that of the new coupler and it slid immediately into place with no difficulty whatever.