Question about Washing Machines
My LG washer is showing PE error, how do I clear this?
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Posted on Jan 02, 2017
Check the pressure switch -the system that determines correct water
level in the drum. If its giving an incorrect indication to the program
timer machine will either overfill, refuse to fill or refuse to spin.
Its an air operated diaphragm switch triggered by rising air pressure
induced by the entry of water into an airtight vessel attached to the
base of the drum. It tells the program timer that the water has reached
the correct level, allowing it to proceed to the water heating stage in
Power off, drag machine out onto the floor, remove back cover and top cover. The pressure switch is a round item about 3 inches across with several wires and a thin rubber pipe attached. It generally sits just under the top cover. Disconnect the thin rubber pipe from the switch and blow down through it to clear any blockage.
Switch itself may be faulty but its more likely the pressure pipe or the vessel attached to the other end of the pipe is blocked. Some machines have the pressure vessel integrated as part of the filter unit, with a pressure chamber moulded into the top of the filter body. Remove the pressure vessel, put a small nut or screw in it, fill it with water and shake vigorously till any crud or residue is removed. Refit all parts, check that joints and connections are water tight.
Also check the filter itself - generally located behind a panel at the foot of the machine.Some are obvious like little square hatches and some are hidden behind the trim panel at the foot of the machine. Once panel is removed the filter should be visible. Its generally a circular plastic fitting which unscrews in an anticlockwise direction.
Some hotpoint, indesit and ariston filters are located in the big black sump hose (the one that leaves the bottom of the outer drum and connects to the pump). Power off, drag machine out onto the floor, remove back cover or tip machine up at an angle. Locate sump hose, remove the tensioner clip by squeezing the tabs together with a large pair of pliers or vise grips, remove the hose, take out filter and clean. Be prepared for spillage of water. May help if the machine is tilted backwards at an angle.
Posted on Mar 04, 2010
SOURCE: what does pe stand for
Hi from retired Englishman in SW France,
'PE' in LG's stands for 'sensing water pressure error' (really useful- inlet or outlet?!)
I always suggest as a first step that you clean the drain motor lint tray/filter. So many 'faults' are caused by blocked filters and many machines will not even go to spin or release the door lock if there is any water still left inside.
Here are my guidance notes for checking both the drain motor filter and the drain motor ;-0)
If you are unsure where the filter is, it is often behind the front lower (kick) panel (or in some machines at the rear in an awkward position!) and most are held in by a round cover/knob. Sometimes the filter will not come out with the cover and you will have to persuade it to come out to play!
REMOVE POWER AND ENSURE YOU HAVE A WATER RECEPTACLE/RAGS TO SOAK UP THE WATER WHICH IS BOUND TO POUR OUT!
It's surprising what people have found in theirs! It is always worthwhile checking it on a regular basis.
Now- whilst the filter is removed it is normally possible to see the drain motor and ensure it is not jammed by a foreign object such as a needle or a toothpick. It should be able to be turned by hand/finger- the power IS OFF!
At this point it is also possible to test if the motor works. No clothes or water in the machine, select a spin cycle and put the power back on. You should be able to see the motor turning at some point, possibly straight away. If it doesn't work then the motor is malfunctioning!
Hope the filter is the problem and good luck!
Posted on Mar 28, 2011
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