Question about LG LRM1250 Microwave Oven
Micro turns on does not heat plate moves also turns on by self
If your micro turns on ( meaning everything seems to be working from the control panel) and you aren't getting microwave energy to heat food..you may have any number of damaged or defective components : Magnetron Tube, Filament Power Supply or HV Capacitor.. None of which are something the untrained person should mess with. Even unplugged, there is High Voltage potential inside the electronics compartment. If it is less than a year old, it may still be under warranty.. otherwise.. the cost to repair would probably be higher than the cost to replace..
Posted on Dec 13, 2008
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Posted on Jan 02, 2017
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Replacement of the
turntable motor should be carried out by a qualified appliance repair
SAFETY IS PARRAMOUNT!
this only if you are competent.
But here is a basic method if you are
mechanically minded and have electrical safety knowledge.
The motor assembly is fixed to the base
of the oven usually with two screws and access is obtained usually by
removing the inspection plate directly beneath the motor. It is
usually a plug in synchronous motor that revolves at a few revs per
minute but the plastic cogs in the motors gear box fail and the motor
assembly must be replaced. They are fairly inexpensive and obtainable
usually from a domestic appliance repair shop.
If you feel confident, disconnect it from the mains power, remove anything in the cavity and turn it upside down if it is a tabletop model, a little more complicated if it is built in!
Remove the inspection plate, sometimes it must be cut out with sharp cutters, and disconnect the motor. Remove the motor and go and get a new one. Fit the new motor and fit the inspection cover back on the base by turning it to fit and using an extra screw fix it then put the microwave back in its position. Plug it back in, with the turntable and plate. Put a cup of water on the plate inside of the oven and heat for 20 seconds to check the plate goes round.
Hope this helps.
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