20 Most Recent LG LRMM1430 Microwave Oven - Page 3 Questions & Answers

Check the supply of HT transformer if ok then check HT diode by replacement still not ok then replace magnatron.

Noise may be due to turn table motor or cooling fan,watch and diagnose,if turn table motor is noise than replacement is solution,in the case of fan noise clean & oil it.

Problem is due to touch key assembly,get it replaced ,microwave will work perfectly.

Problem is due to faulty power supply in the PCB assembly,if you are technical person check the power supply components other wise consult technical person.

Get replaced the magnatron,this problem is due to faulty magnatron .

you can get the switches but you will need to disassemble the microwave. what makes you believe it is the switches?

Yes there is. go online and search for your model number parts. I like ereplacemant, but thee are several to choose from.

https://www.manualslib.com/manual/765799/Lg-Lmv1683st.html?page=15&term=fuse&selected=1

check the power plug or replace the breaker.

I would suggest unplugging it and counting to 10, then plugging it back in.

If you need further assistance, please feel free to contact me by email.

http://www.microwavecontrol.com

That would be a shorted high voltage capacitor. Samsung support in South Africa is here: https://www.samsung.com/za/support/

Reset overload

Where is the LG microwave fuse located Model LMV1630ST

get a new one its broken this might cheer you up tho

Most likely display needs replacing

if you can get the toaster elements it can be repaired but I suspect that as that combo unit is quite old , parts may be hard to come by

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Loud noise would indicate a high power draw. This is serious. You have either a dead short or a motor, power supply, or magnetron tube that is defective. The relay that turns on the microwave may also be defective. Usually it is not worth trying to repair. It will cost less just to buy another microwave. Careful shopping can save you a lot of money and still get a new unit for perhaps 1/2 of "retail" prices.

magnetron is short