Question about LG 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
I'm Harvey the Master Plumber.
Your question is: Re-circulation pump was replaced under warranty after 7 months. Now there appears to be draining problems. hose not kinked and filter seems clear - I guess the pump is either broken or something has jammed it. Does anyone know how to get at it??? Warranty has expired and a new pump + fitting is gonna be expensive. Any tips?
If the motor runs but it won't empty then the pump needs replacement. If the unit washes but the motor won't come on to empty then you have a control problem. Either way I don't recomend this repair to the average homeowner. The unit must be removed to access the pump. You might consider utilizing our Repair Directory to find a repair man.
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Harvey your Master Plumber
Posted on Sep 13, 2008
This is a heater error. The cause is either a bad heating element or bad thermistor (the thermistor is part of the heater assembly). The heater assembly will need to be replaced.
Posted on Jan 18, 2009
I had the same endless problem and finaly put a cleaning product through with heaps of restarts and now the machine works perfectly. So anyone out there with the OE error should try this inexpensive solution. If it does not work you have not lost much. You may need to restart several times during the process and is a great pain but maybe it will solve your problem .
Posted on Apr 21, 2009
E1 leakage error
The excessive RPM of Washing Motor happened during Wash cycle due to water leakage.
Water leakage in Hose connections. Water is leaked by damages. The Motor Water Seal leakage of Sump assembly. The height of Drain Hose connection (sink-Drain Hose) is not over 20 . Impeller of the Washing Pump is worn away.
Replace the connections of Hose. Check the point of damages and repair or replace the related parts.
Replace the Impeller of the Washing Pump.
Posted on Sep 27, 2009
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