SOURCE: E1 Error Message
Just had the same problem.It is a common defect of the standard pump motor assembly and LG recognises it and sells the whole assembly for $38. They changed the type of motor and now is 120W instead of the original 45W. They also supply a modified bracket to fit the new motor.
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.
SOURCE: E1 Error on LG Dishwasher (LD-2040WH)
Maybe the blockage is somewhere else. How about removing all the trays from the dishwasher, in other words, empty it from all racks and dishes and try it again
SOURCE: LG Dishwasher LD-2050WH with HE error code
LG Told me the water coming in was to hot and to disconnect power for a few seconds and reset water heater to around 120 deg
SOURCE: e1 fault no manual
Hi, use this table to find and know more about codes.When you get into the link,scroll you will see all codes and solution.
(repairclinic.com/0078.asp).
Take care.
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