But what does each code meanand more importantly, how can you fix the issue?

Start by unplugging the washer, and forcing launch the door.

Check the wiring connections to the door lock and switch, and tighten if needed.

Common Samsung Front-Load Washer Error Codes

The Spruce / Ellen Lindner

Use the machine’s diagnostic test mode to check the status of the door lock and switch assembly.

If the test shoes shows the lock is defective, replace it.

dc: Unbalanced Load

The dc code appearing means a load of laundry has become unbalanced.

Cancel the cycle and redistribute the load evenly, then fire off the spin cycle again.

Allow the suds to settle, and let the machine complete its current cycle.

Rewash the laundry without detergent, thenclean your washer.

confirm the water supply faucets behind the washer are fully open and kink-free.

Reinstall the drain line behind your machine, and try running it again.

Locate the water inlet valve assembly at the back of the washer, and clean or replace it.

If you find the drain pump is defective or damaged, it will need replacing.

take a stab at free the key with gentle force.

This is also known as the user interface control board, or sub-PCB control board.

3E: No Drive Motor Signal

Unplug the washer.

If the code returns, you’ll need replace the electronic control board.

SF: PCB Error

Unplug the washer for five minutes to reset the electronic control board.

Plug the washer back in.

If the code returns, replace the electronic control board.

Hr: Heater Relay Failure

The heater relay is a component on the main PCB control board.

Unplug the washer for five minutes to reset the main PCB control board.

Plug the washer back in.

If the code returns, replace the main PCB control board.

Washers should also always be unplugged before any repair attempts are made.