Question about Dishwashers
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Posted on Jan 02, 2017
SOURCE: E1 error on LG - LD-4120M
E1 is a common error in the LG Dishwasher range and is usually caused by the failure of the circulation pump and/or the impeller.
The motor and impeller are a complete unit.
Often what happens is the impeller breaks on the motor shaft and doesn't spin, therefore doesn't pump water.
There is a pressure sensor which indicates the lack of pressure and shuts the machine down with the E1 error being displayed.
The lack of pressure can also be from a water leak (as the owners manual suggests) also a controller PCB fault may produce an E1 error, however, the pump problem is extremely common.
Unfortunately, I have had 5 pumps die in 4 years and my dishwasher is only used about 4 times a week.
Posted on Dec 27, 2007
EI is an error to do with your drain. Check your drain hook up. You should have a loop out side the unit, it should be a minimum 40in in height, or put in a air break. What I believe is happening is your unit is siphoning out. Fix this and you will be able to stop washing the dishes by hand.
Posted on Jun 19, 2008
I think both the heater and thermostat / trip switches need to be checked.
If water is going in and out ok, then it seems to be waiting to heat the water. It sees a fault - so just clears out.
Heating elements do fail after a few years.
Posted on Aug 05, 2009
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