E1 error on LG washing machine LD-1204W1 - LG Dishwashers

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E1 Leakage error. Cause : water leakage in hose connections. Water is leaked by damages.

The IE or 1E error or fault code indicates that the washer is not filling with water. Check to be sure the water supply valves are open. Also, check to be sure the water supply hoses aren't kinked or clogged. Next, remove the hoses from the washing machine and run water into a bucket to test the pressure and flow of the water. If all of these check out and you have good water pressure and flow to the machine, you should replace the water inlet valve.

The E1 ERROR mean's your main wash motor is clogged or failed & you need to pull it apart completley to test or clear the blockage.Generally its just clogged so get a lg service guy to do it cause he will know your dishwasher inside out.THANKS, ECO KIZZA

I had the same problem, new wash pump didn't solve the e1 error. New capacitor did the trick. Hope this helps

If you've checked everything, you will need to replace the impeller possibly.


Leakage error > Conditon: Excessive RPM of washing motor happened during wash cycle due to water leakage. Possible cause: 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.

E1 is a code that the dishwasher displays after detecting a leak. There is a sensor on the pan at the very bottom of the unit. Take the bottom front panel off, look under the unit at the hose coming off the pump and your fill line to be sure no water is dripping. Run the unit in a wash cycle while doing this if possible.

What did you find the problem to be?
On an LG dishwasher, I am not aware of an E0 error. But there is a "OE" error code (as in output error)
The first thing to check is the lower sump area - remove the filter beneath the spray arm and look everywhere for blockages that have slipped through. If that is not the problem, the drain motor has probably failed.
Good Luck!

Try turning your tap off a bit till the noise stops but the dishwasher still fills, it can just be due to a bit too much pressure on your water valve.
hpe this helps

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.