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Oven wouldn't heat
Over the range microwave. Replaced magnetron. Completely disassemble the case top and bottom. Remove screws from bottom of HV transformer. Magnetron will not clear without this removal.
Remove nuts with socket from top of Magnetron. Remove thermo unit from old magnetron and attach it to new. Replace and bolt down Mag. Replace and screw in HV transformer. Make sure all wires are reconnected.
Put it back up on the wall. Took about three hours from taking it down from wall and putting it back up.
1. remove microwave from wall 2. remove cover (many screws) 3. remove nuts holding magnetron in place (4) 4. remove magnetron (this is a pain due to the plastic molding used to direct cooling air through the magnetron 5. get new magnetron in place (this was even more fun to find the right angles to tilt to get the magnetron to fit 6. re-tighten the 4 nuts on the magentron 7. put the cover back on 8. put the unit back on the wall.
bonus repair: the display flickered while the magnetron was on (cooking ) prior to the magnetron dying. found a ribbon cable on the control board to the display with an aluminum foil shield that had peeled off (adhesive failure). re-installing the aluminum shield with packaging tape, and the display no longer flickers
I removed the microwave unit (built-in) from the housing above the built-in oven with just two screws and unplugging it. I then removed the screws from the top and sides of the microwave access panels to allow access to the magnetron. I then removed the electrical connections from the magnetron, which is very simple and then the screws which held the magnetron in place. Replacement of the new part was just the reverse of removing the other one. Cost to do this by a technician would have been somewhere in the neighborhood of $65.00 for coming to the house, and $75.00 per hour rounded to probably 2 hours to do it. So, doing this yourself is satisfying not only in knowing you did the job, but the $200.00 plus dollars you saved as well.
Remove microwave outer cover. Turn on side & locate the upper & lower door switches. Better to replace in pairs even if one is ok. Remove the wire harness to each switch. Then replace switch and re connect the wire harness. Re attach outer cover and test to see if that solved the problem. If so then well done!!
We purchased our Microhood oven about 4 years ago along with the extended warranty package offered thru home depot. Within one year, the problems began. Each year the secondary switch would go bad rendering the microwave useless. If you have 3 small children like we do, you tend to use it a lot. We sure take the microwave for granted.
Each time G.E. would fix the problem at no charge. Ths time - the warranty had expired and GE wanted to charge us $80.00 for service call plus parts and labor. We estimated the cost to run at least $150.00 or more.
To top it all off, GE was going to have a service tech avail for over 2 weeks. This is poor customer service and completely unaccceptable.
Because this was a recurring problem, I figured it was the same part that had being going bad since we purchased the appliance. I decided to order the part "secondary switch" myself and attempt to fix the microwave on my own.
I ordered the part last Tuesday, the part arrived last Friday. Within 10 minutes I had the microwave apart, replaced the part and had the microwave back in working order.
PartSelect saved me over $100.00.
We are very satified with PartsSelect, I would recommend them to anyone
Microwave would turn on and count down, but not heating and not rotate turntable. Pressing door up would occasionally start heat.
First I disconnected the power and opened the door. Then I removed the top screws holding the top vent louvers, then removed the screw at the top of the touch pad. The touch pad removes by sliding up slightly then tilting top out. I unscrewed two screws holding the door latch assembly. Press the tab to remove and replace switch. Reconnect wires, reseat latch mount by placing top bracket tab in place first, allign and secure with screws. Reseat touch pad by placing bottom tabs in first, tilt forward and press up to seat top tabs, secure with top screw. Secure vent louver screws, plug in and watch your microwave work again.
First, I waste $65 by calling some "REPAIR" service. They showed at home and charge me that just to tell me Second, I researched on the web and ordered a part, which was not the issue. I waste abnother $72 Third, I found Part-Select and got the right answer: the Diode was the problem. Ordered the part form Part-Select and it FIxed it !!!
Note: I did not buy a new microwave because this one is mounted on the wall and it will cost me +$800 just the lowest price.
Everything worked on the microwave, except it would not heat anything.
The microwave had been working fine until one day when the timer counted down but the heating motor (or whatever you call it) would not come on. So the timer would count down but nothing inside would get hot. I did not know what it was for sure but decided to take it apart and look. Once I had the control panal off, I found three small wired switches inside. One of these switches appeared to have shorted out. So I searched online and found Partselect.com. I found a matching switch , ordered it (arrived in couple days), put it in, and VOILA it works! Thanks Partselect.com.
I've been fixing and taking things apart since I was a kid. I hoped that it was a bad switch in the door. Got out my test meter and check the 3 different switches. All 3 tested good, but one was a bit hit and miss. It would work if the microwave was on its side and wouldn't when it was set flat. I found the switch online and installed it. Took care of the problem.It was a whole lot cheaper than buying a new microwave. Thanks! Bill Brown, Fridley, MN
would blow the internal 15amp fuse when pressing the start button
Used the trouble shooting guide and wire diagram found inside the microwave (thanks GE). Found the HV capacitor and diode had shorted. Replaced the capacitor and diode........works like new.
Everything seemed to work with the controls, but when you pressed start the light would come on and nothing else. The turntable and heating system would not function.
I unplugged it, removed the outer shell with torque bits and a screwdriver, drained the main capacitor, and began debugging the circuit with my fluke multimeter, found the bad primary interlock, googled the part number, ordered the part, received it in 2 days, replaced the interlock in about 2 minutes, and put the cover back on. Fixed. Saved me about $200 over buying a new unit and was grateful for partselect's great service.
After closing door the display panel must be tapped on to keep the unit operating.
The switches are not the problem! The problem is in the tolerences of the latch housing. I have ordered two new housings (Upper & Lower) and will see if the tolerences are closer. If not I will try epoxying a shim to the plate that operates the microswitches. The other option is to file the mounting slots of the housing to allow adjustment, which would be iffy,keeping them from moving with use. The exploded drawings really need to be clarified. The scale is way too small. It was extremely difficult to pick out the individual parts of the mechanisiam.
All electrical worked (fan, lights, control panel) door switch was broke. Pulled the oven out. Took out two big screws from the cabinet above. (be careful not to drop oven)Set the oven on kitchen counter. Took off five screws that held the vent cover. Removed vent cover. Took out one screw that held the control panel. Lifted, turned and slid the panel into the space below so I could get to the upper door switch. Replace door switch and re-assemble.
Removed screws holding outer shell. Pushed in door handle to identify faulty switch. Ordered part. Pryed switch out with screw driver and unplugged. reinstalled new switch. Presto. BUT... I did NOT use both hands while working on the microwave. I did not release the energy from the capacitor or whatever holds the killer amperage even when unplugged. It would be advisable to do this first. I did not because it seemed complicated, so I was EXTREMELY CAREFUL about not touching anything else inside the unit. I used one hand only so if I did touch something I would not get juiced through the chest. It was a piece of cake repair, but I would not go deeper without doing the discharge routine.
Had trouble isolating the problem, so I had a repairman identify the problem, then I ordered the part and replaced it myself.
Removed screws holding the grill in place. Removed air filter, removed screw holding plate under the filter in place. Reached in under fan cowling to find the thermostat cut-out. Disconnected the two wires. Put the new thermostat in place. Replaced screws plates and filter in reverse order.