JVM1870SK04 General Electric Microwave - Instructions

Our remodler took only minutes to remount our microwave as it should be.

replaced the glass

lowered bottom plate of microwave then unscrewed little motor. put the new coupler in the hole from inside of microwave, then pressed the motor shaft on to the coupler .then just screwed it all together again.simple and no straining

Removed the microwave with the buit in housing from the cabinet. Removed microwave from built in housing. Removed outer cabinet giving access to remove control panel and smart board where switches are located. Removed control panel to get to smartboard. Removed smart board after disconnecting a few wires to allow easy removal. Individually removed and then tested each switch using multimeter. Found seondary Door Switch (bottom of smart board) operation to be intermittent (switch trip button extremely loose and rattle inside this particular switch) Ordered replacement part which came very quickly on standard shipping order. Put new switch on smart board and remounted, reinstalled control panel and reconnected various wire connectors previously disconnected. Then plugged in oven and tested for opertation - didn't work at all! But, after bleeding off capacior charge by removing connectors and discharging capacitor to ground, then reassembling control board and smart board into oven, then trying agian, it has worked perfectly ever since. Do not understand why capacitor disconnect/discharge was required but suspect this reset the control electronics. Easy fix and hope to get another 12 years out of this appliance which is used multiple times every day. Also have two other identical micorwave ovens, one is 20 years old, but these get used relatively infrequently.

I replaced the cover just fine but i think a sensor went bad

Turn off main power bracker. Removed fan vent, removed control panel, disconnect leads to the three monitor switches. Replaced the secondary switch (top). Reversed procedures.

Pull cover off , located the bad magnetron . Then replaced it with the new one. About 15 min. Of work.

Watched How to repair a Microwave that turns on when the door is opened Video on the web. From this took a shot at the switch was the problem. When I removed the switch it was defective. The small button was in and when you turned the switch upside down the button would drop back into position. Ordered a switch for $25.oo , installed it and the microwave is working fine.

Opened the microwave oven door, unscrewed two screws which held the control panel on, then I removed two of the door switches (each had two screws), and then used the continuity tester to see which one was not operating. It turned out to be the secondary door switch, replaced it and to my amazement, the microwave worked. I have never repaired an appliance before but I didn't want to replace our over-the-stove built in microwave. It was the best day ever when it was working again! The hardest part was getting myself to try the repair.

There are five Philips screws on the bottom outside cover .one at each corner and one at the front center. Remove all four at the corners .leaving the front center for last. When the last screw is removed ,the cover will hinge down, it is attached to clips at the back that allow it fold down. The wire attached to the light socket is connected by a pull apart plug. Grasp at each end of the hard plastic connector and pull outward ,DO NOT PULL ON THE Wires ! Lift the cover from the back of the microwave place it on a flat surface on a towel keep it from sliding around. Remove the screws holding the porcelain sockets. Reverse procedure to reinstall .Installing new Halogen lamps is suggested. Use a clean tissue or cloth to handle the lamps, finger prints on the lamp will shorten the life .

Loosen the two long anchor bolts that screw into the top of the microwave cabinet. These are usually in a shelf or cabinet directly above the microwave. Tilt the microwave forward enough to remove the 2 Phillips head screws from the top of the microwave cabinet. They are near the front. When these two screws are out, remove the fan vent. Once the fan vent is off, remove one screw that holds the control pad in place. Let it hang down. Just to the left of the control pad, you will see wires leading to three switches that close when the door is closed. Use a torx driver to remove the two screws that hold the switch bracket in place. With the bracket out, unplug the wire harnesses. On the opposite side of the wiring connected, a tab holds each switch in place. Lift the tab and slide the switches out. Usually, the bad switch will be identified by a loose or broken spring. Test them by pressing down on the switch. If you notice the bad switch spring, this is usually the bad one. When you have the new one, simply push it back into the appropriate slot and be sure that the holding tab snaps back in place. Plug the wires back in and re-attach the bracket. Put the control pad back on, then the fan vent. When down with those, push on the bottom of the microwave to lift it back into place and tighten the two anchor bolts in the top.

Remove the microwave cover. Requires a phillips screwdriver and a torx security bit/nut driver (there are two security type screws on the back...guess they don't want you to do this at home!). I had to buy the a security bit set (about $7). The diode is easily accessible on the right side under the fan. Requires removing on small phillips screw and unplugging on electrical connection. GE provides some instructions in an envelope on top (after cover removed). There is a warning/instruction to discharge the capacitor before service. This was not a problem for me. Actual diode replacement took 30 seconds. Whole job = 15 minutes.

Easy. A little awkward getting to the part since microwave is over stove and not much room between range and microwave. Other than that, it was a piece of cake.

At first I thought it was just the bulb, but I wasn't able to find a video of the exact model. The dificult part was figuring out how the vent housing came off (turns out it slid to the left then lifted out) but after I figured that out, replacing the cable assembly and the bulb was really easy.

Once we figued out that you had to remove the panel underneath the microwave, pull down the turntable motor part and then insert to coupler it went really fast. Through trial and error we figured it out, but should have checked for installation instructions on the internet. Repair time would have been less than 15 minutes.