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.
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Re: LG WASHING MACHINE WM14225FD
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.
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If it's more than 6 years old, it's time for a new one. Or maybe you blew out your fuses. Try resetting the fuse box and switch off and on. Then after you switch back the power, go and try to turn on washing machine again.
It is best to disconnect the mains lines from the control panel to the different section, which are the motor, heater, inlet and outlet valve pump. If the fuse trips then the fault is the control panel board and could be a failure of the rectifier or SMPS driver. You might need to replace the board.
Obviously the first thing to check is that the socket is supplying
power by plugging another appliance in such as a lamp. It is less
likely to be the socket but you'd be daft not to check it out before
calling an engineer as it does occasionally turn out to be a faulty
wall socket. This is only necessary though if there are no led
indicator lights lit up on your washer as any light that's on shows
that the machine is getting a live and neutral supply from the socket.
The second thing to check is the fuse in the plug. Either put the fuse into something
else and check the appliance still works or try another fuse that you
know to be OK in the washer. Make sure you use a 13 amp fuse and never
by-pass a fuse! If both of those are OK, then the most common cause for
a washing machine that wont start is the door interlock, particularly
if the mains lights on the washing machine has come on, but nothing
works. However, the fault could also be in wiring to the door interlock
or even the door catch not activating it properly, or the on off switch
or the main control module. With some Indesit and Hotpoint washing
machines even an open circuit heater or motor can cause the entire
washing machine to stop working except the led lights.
need to know what you are doing to trace this type of fault so if it
isn't the wall socket or the plug you'd be better getting an engineer
to trace it. Do not work on a live washing machine. Engineers should
use a continuity test meter to trace faults with the washing machine
unplugged and never test with a live washing machine.
Hi, check the following trouble spots below. you will find the issue in one or, all the areas stated.
1. No power to the washer
Make sure there's power getting to the washer. Check for a tripped circuit breaker or a blown fuse. Check the wall socket for power. Sometimes the power cord disconnects at the washer, if this is the case, the wiring must be repaired or replaced.
2. Lid switch/door latch
The washing machine may not function if the lid switch or door latch mechanism is defective. The switch is usually located near the door. Replace if found defective.
**If you are getting power to the washer and, setp 1 and 2 check out ok, replace the timer control or control Board and start switch as well.(You can test the continuity or, resistance level of the Lid/door swicth with a multimeter(ohm).
Make sure there's power getting to the washer. Check for a
tripped circuit breaker or a blown fuse. Check the wall socket for
power. Sometimes the power cord disconnects at the washer, if this is
the case, the wiring must be repaired or replaced.