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Microwave not turning on. All other functions operate
DISCONNECT THE POWER CORD and discharge the capacitor Leave unplugged overnight Remove vent grille by removing the 2 philips screws Remove the LED panel by removing 1 phillips screw Disconnect all connectors that plug into back of the LED board completely Remove the wires from the switches (3) at the inside edge of the microwave door Gently remove each switch housing and test all three switches for continuity Carefully replace non-functioning switches and reassemble the panel GOOD LUCK
The drive shaft of the motor was broken and had to replace drive motor and roller guid
Cut the wire connection of access door on the bottom of the oven. Once access door was removed, I took the screw holding the drive motor in place, removed the wire connector and taped the connection to oven so that it did not drop into the bottom of the oven pulled motor out. Put new motor in, put connector back on motor secured the motor with the scre, put access door back in place put roller guide on the drive motor from inside of the oven and put plate on roller and turned it on for a test. it worked.
-unplug -remove top and front covers -unplug wire connectors from heating assembly -remove heating assembly from metal stand and push out of the way -remove metal stand from dry -pull out heating assembly -install new one in reserve order
I used a phillips screw driver and a special type bit to undo the screws from the cabinet and found the light bulb and took the old one out and put the new one in and put it back together.
Door Switch went bad, Internal Fan would run every time you open the door
Unscrewed the control panel (2 screws), lift up and let hang, with a plan screwdriver open bracket holding the switch, unplug 2 wires, replace with new switch, plug in the 2 wires, push switch back into bracket. Then slide on the control panel, put the 2 screws back. Easy fix.
First I had to accept the fact that the unit was designed to keep non-professional people from doing any repairs. The switch was installed in such a manner that I had to break the mounting to remove the switch, then drill a hole in the mounting to secure the new switch in place.
Unplug.Take off the external cowling from the back of the unit by removing the torx security screws. Tip: instead use a thin screwdriver blade to unscrew the torx screws, or knock out the center pins of these screws. Remove the bottom panel. The replacement motor is attached with one phillips screw, re-attach wires to motor - polarity doesn't matter. Re-assemble and you're finished.
Take off cover then the bottom. Transformer is on the bottom plate and wires won't let it come all the way off, too many wires to pull off so will have to position the bottom plate so you can get to the motor. Remove 1 screw on motor and remove motor. Install new motor connect wires replace bottom plate, replace cover. All done (hope & pray it works ok) mine worked perfect. Hope this helps.
AFter I put the roller guide and glass cooking tray inside the microwave it still didn't spin. After check with the video, I was warned not to try to replace the motor which spins the tray, that there was a chance of electrical shock. I took the oven to my repair place and they made the repairs.
I UNPLUGGED the microwave and removed the cover, using a phillips and a Torx screwdriver for the machine screws. I set these screws aside, so as not to confuse them with the later encountered screws. I photographed the magnetron to assure proper placement of the 6 phillips machine screws involved in reassembly (marking the the locations on the old magnetron would do as well. I marked the old magnetron "old", to avoid later confusion. I removed the two screws holding the shields to the magnetron. I removed 3 of the 4 screws holding the magnetron to the microwave, leaving one of the top screws. I held the magnetron securely and removed the last screw, pulling out a the part of the magnetron that penetrated the microwave. I installed the new magnetron in reverse order. One problem I encountered was locating one of the six screws, which had been pulled into the old magnetron by magnetism.
First I took out the screws holding the sides and back to the microwave. I discovered that the rotissereie motor was also damaged, but had an old GE microwave that had quit working-took out motor from other GE(motor was the same), installed motor in microwave, lined up pin to roller assy. and that was it!
Initial failure of over range microwave Aug 3rd. Control Panel worked but no heat. Took to local LG authoriaed local repair place. They fixed it quickly and we re-installed it. Worked fine for 2 months then had similar failure again. Agaim took to same authorized repairer. They kept unit for 3 months but finally concluded theu could not fix it and suggested we contact LG for a partial refund. When they tested the unit during re-assembly in my presence, there was a blue flash and the fuse blew. Since we had built a custom tile mural back splash around this unit, I brought it home, ordered a number of time delay fuses new capacitor and two new high voltage diodes. However, using my Fluke DMM, I checked the existing capacitor and high voltage diode and they checked OK so I just replaced the time delay fuse. The high voltage transformer leads had 2 possible ways to connect to capacitor and diode. Tried one way, plugged unit in and turned it on, and immediatly blew the fuse. Replaced the fuse and reversed the high voltage transformer connections,amd turned unit pn, and it worked perfectly. Since we had experienced several power failures during the time of the original failure, the repairer concluded that power spikes might be at fault, so I also purchased a TrippLite ISOBAR4ULTRA 3300 Joule surge protector between wall outlet and microwave, and re-installed over range. It has worked perfectly since.
