LG Dishwasher HE error code. What is this part?

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Eric Diven @ericdiven

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Veröffentlicht: 20. Nov 2023

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LG Dishwasher HE error code. What is this part?

I have an LG LDF5545ST dishwasher. Recently, it started showing an HE error code, indicating a problem with the heating element. I pulled out the dishwasher, turned it over, and removed the bottom cover. The issue is that the connection to the heating element corroded:

I confirmed that the heating element resistance is correct, then soldered a spade terminal onto the wire to verify that it works (it does). I'd now like to make a permanent fix.

The part that is corroded is a small connector with a ceramic base and two spade terminals. The part is easily removed, but isn't identified separately on the parts diagram. Rather it's part of the pump case assembly (Part #ABT72989202). On this dishwasher the heater element cannot be replaced separately from the ($200-$300) pump case assembly.

Since the heater element works, I'd like to replace the electrical connector.

The body of the connector as shown below is 17mm wide, and there should be a spade terminal coming off to the left and right from the main body.

On the back side, I found the following numbers that may or may not be part numbers. I've had no luck finding the part online.

155 131 003
23       16
260C

Any help identifying this part and a place where I can buy it would be appreciated. Thank you!

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Martin John @appliancesfixit Rep: 1 · Answer 1 · 2024-06-18T23:09:49-07:00

HE error code on my LG LDF5545ST dishwasher indicates an issue with the heating element. Upon inspection, I found that the connection to the heating element had corroded. The component in question is a small connector with a ceramic base and two spade terminals, part of the pump case assembly (Part #ABT72989202). Since the heater element itself is functional, I want to replace just the electrical connector.

I measured the connector and found it to be 17mm wide, with spade terminals extending from the sides. The back of the connector is marked with the numbers:

155 131 003
23 16
260C

To make a permanent fix, I need to identify and source this connector separately, rather than replacing the entire pump case assembly, which is quite expensive.

After conducting thorough research, I found that this specific type of ceramic connector is not typically sold individually for dishwashers and is often bundled with larger assemblies. However, a similar high-temperature ceramic connector used in heating applications may work as a replacement. These connectors are designed to handle high temperatures and have a similar spade terminal configuration.

One possible replacement part is a high-temperature ceramic terminal block. Here are some options I found that might work:

Ceramic Terminal Block with Spade Connectors: These are often used in heating elements and can withstand high temperatures, similar to the original part. They can be found on sites like Amazon, eBay, or specialized electrical parts suppliers.
High-Temperature Wire Connectors: Available at electronics stores or online marketplaces, these connectors are suitable for high-heat applications and can be crimped or soldered onto the existing wires.

I recommend searching for "high-temperature ceramic terminal block" or "ceramic wire connectors" on online marketplaces like Amazon or eBay, or checking with local electronics or appliance repair parts suppliers. Ensure that the replacement part can handle the same electrical load and temperatures as the original connector.

LG Dishwasher

LG Dishwasher HE error code. What is this part?

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