Question about LG WM0742HWA Front Load Washer
Solution for "I have an LG 7kg front loader machine, barrel wont spin easily It seems to stick in one area". When empty and turn the barrel manually it squeaks in one spot.
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Posted on Jan 02, 2017
The drum is powered by a small motor and pulley, inside the unit and under the drum. A large belt wraps around the drum and pulley, and a spring "thing" provides tension so that the belt won't slip. The squeaking sound indicates that something is slipping, and the sluggish drum says that it's the drive belt. Take off the back, locate the motor/pulley/spring thing, and check the belt tension by observing the belt with unit operating. At that point you should easily locate the noise, at the motor (noisy bearing, lube or replace), belt warn (replace) or possibly the felt pads located at the top of the drum worn (not as likely but they do fail causing the drum to resist being spun by the motor to the point that the belt starts to slip. Hope this helps!
Posted on Jan 08, 2010
We had the OE message come up and did the above procedures...that didn't fix it. I removed the dual pump modules (they come off in one piece...one is the recirculating pump, the other is the drain pump). Turns out, the drain pump impeller design sucks. Even though it turned when I put power to the pump, that doesn't mean your pump isn't bad. Once it is under load pumping water, the impeller can slip where the pin connects to it from the motor. We replaced the motor for $60 and that fixed the problem. Our unit is at least three years old and we have a family of four, so it does get used quite often. Nobody told us about the filter at the bottom of the unit and I figure if we knew this ahead of time, we probably could have avoided the impeller issue...but it is still a sub-par designed motor/impeller. The new one I ordered looks like an updated design so I don't see this happening again. It is quite easy to remove and replace the pump, btw.
Posted on Feb 21, 2010
I had the same symptoms and almost dismantled the whole machine to locate the root of the cause. The issue was one of the 3 arms of the spider (like a 3 spoked wheel that connects to the rear of the drum and holds it in place and provides the drive shaft to through to the motor at the rear), had snapped after weakening from corrosion due to undissolved washing powder building up in the grooves.
To prevent this, do a hot wash every few weeks to dissolve the powder, don't think your saving the environment by using only cold washes, this should be in every washing machine manual to save the environment from waste from un-economically repairable appliances.
The burning smell was the unbalanced drum leaning heavily on the rubber shroud on the front between the drum and the outer casing. The replacement spider part was only about AU$60-80.
To check if this is the problem you may be able to tell by opening the door, and reaching in from the front with your palm up about a hand distance till you go past the rubber shroud and just touch the stainless steel drum. Grip it gently with your four fingers and pull towards the front (to you) about 1cm or two, with about as much force you would need to open the machine's door. Rotate the drum approx one third of a rotation and repeat, do this 3 times and you should feel one point give more than the others.
If no luck try again in sixths of a rotation, you can gauge the distance by the 3 plastic agitators attached on the inside wall of the drum.
Note: get a price on labour first to replace the spider, as this will be probably more than half way to a new machine, and then the cost of the part, and the call-out fee if you can't get it into a service centre.
What's the point of having a long lasting stainless steel drum when the key part that connects the drum to the motor is a weak cast iron / alloy part.
Ask your local service person what units have quality parts before buying a new machine.
ps: the loud noise is probably the cracked arm rubbing or the unbalanced drum hitting the sides and making the machine jump.
Hope this all helps!
Posted on Apr 06, 2010
the water pump is sending a signal to the pcb telling it there is a fault clean the filters and wheel on the water pump
let me know how you went
sonic boom electronics
Posted on Dec 28, 2010
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