I had a similar issue, I am not sure if this will your issue or not, but it is worth a shot. Mine would do this about 4 minutes into the cycle after it had pumped water into the unit, Started after about 8 months of use.
The issue was actually the impeller that pumps water around from the base of the unit. It was making contact with the filter/cover over it, causing it to spin too slowly and throw the error.
Both dish drawers had to be removed and about 8 screws in that secure the filter in the bottom of the unit. When you get the cover off check to see if anything is impeding the impeller, If not, Look at the bottom side of the cover. Mine had white streaks in a circular fashion. I scraped off the white plastic swirls with a chisel and verified the top of the impeller was smooth as well. Reassembled and it worked again.
Hope this helps.
SOURCE: I keep getting an E1 error on my LG LD-2120W model
leakage Error E1
Replace the connections of Hose.
Check the point of damages and
repair or replace the related parts.
fix it to the
recommended Height.
Replace the Impeller of the
Washing Pump.
Hi
Error
code IE on LG dishwasher means Inlet error. This error comes up when the Water
Supply Tap is closed or Water Supply is shut off. If water supply is turned on
then make sure that the Inlet Hose is not kinked and water Pressure is not low
(should be above 10 psi). Next thing to check for is Water Inlet Valve, measure
the electric resistance of Inlet Valve. (950-1300 ohms) Make sure the filter of
Inlet Valve is not clogged.
Hope this helps... Please post back
for further assistance.
Daniel
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