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LG WASHING MACHINE WM14225FD

Our machine blew its fuse and trip switch on master board. New fuse in and socket checked but now wont even switch on. No lights, no beeps, no nothing.
Can you help please?

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My machine would not switch on this morning, no beeps or lights, I traced it to a small fuse on the main circuit board. you get to the board by disconecting from the mains, removing 2 crosshead screws at the back of the machine and lifting the top of the machine off ( once screws out, slide top of machine back about 1cm and then it just lifts off. You can now see the main circuit board, behind the control panel on front of machine. the fuse is hard to see and is solderd to the board on the lower left side, I solderd onto both ends of the fuseand replaced with a 10 amp HRC fuse, I still need to find the correct fuse rating, this worked for my machine.
However, and its a big however, If the 13amp fuse in youre plug blew and the trip on youre consumer unit, then I would imagine something big (pulling a large current) has gone down in youre machine to cause all these to blow, anyway hope this helps, Robin.

Posted on Dec 05, 2008

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Once a fuse blows on any equipment it usually means the power supply diodes and/or capacator is bad.
but this unit has several 110 volts UJT transistors and relays throughout the board that can cause the same issue.
replacing the CCU (computer control unit) is easy its just the pricing that will bug you.
its around 225.00 on the low end.
taped to the side in the bottom of your unit ,open the bottom access panel, is a schematic.
the ccu is accessed through the top access panel.
Before you replace the CCU a contunity check must be made of all the connected wiring to the CCU board. in case one of the other controls caused the failure.
nothing like replacing a board and watching it fry again.
The manual for this unit give the readings you should expect.

Posted on Feb 27, 2008

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