The 4E error on your Samsung Washer means the machine isn’t detecting enough water flowing into the drum during the fill cycle. This is almost always down to the water supply rather than a faulty part, so check your taps and hoses before assuming the worst.

Error code 4E
Meaning Water supply fault — the washer isn’t filling with water within the expected time
Severity Low — usually fixed without a technician
Time to fix 10–30 minutes
Tools needed Adjustable pliers, towel, none for most fixes

What the 4E error means

Samsung washers use a water level sensor and flow meter to confirm water is entering the drum at the right rate. If the machine doesn’t detect enough water within a set time, it stops the cycle and displays 4E to protect the motor and drum from running dry.

In most cases this points to a problem with the water supply reaching the machine rather than an internal electrical fault, which is why it’s one of the easier Samsung error codes to resolve yourself. It shares similarities with issues covered in the Samsung Washer SE Error Code: Causes and Fixes guide, where sensor readings also trigger a shutdown.

Common causes

  • Water supply tap partially closed or turned off
  • Kinked, twisted, or trapped inlet hose
  • Blocked mesh filter inside the water inlet valve
  • Low household water pressure
  • Faulty or stuck water inlet valve
  • Washer installed further from the water source than the hose allows, causing tension or bending

How to fix the 4E error

  1. Check the water tap: Make sure the tap supplying the washer is fully open. A partially closed tap is the most common cause of this error.
  2. Inspect the inlet hose: Turn off the water, disconnect the hose, and check for kinks, twists, or trapped sections behind the machine.
  3. Clean the inlet filter: Unscrew the hose from the back of the washer and remove any debris from the small mesh filter using a soft brush or your fingers.
  4. Test water pressure: Run the tap into a bucket for 30 seconds. If the flow is weak, the issue may be with your home plumbing rather than the appliance.
  5. Reconnect and reset: Reattach the hose securely, turn the tap back on fully, then unplug the washer for 2 minutes before restarting a cycle.
  6. Call a technician if it persists: If water flow is strong and the error still appears, the inlet valve itself may need replacing.

FAQ

Can I still use my washer if it shows 4E?
No, the cycle won’t complete until the water flow issue is resolved, so it’s best to fix this before running another wash.

Does 4E mean the washer is broken?
Not usually. In most cases it’s caused by a closed tap, blocked filter, or kinked hose rather than a broken part.

How do I know if the inlet valve is faulty?
If water pressure from the tap is strong but the washer still won’t fill after cleaning the filter and checking the hose, the inlet valve is the likely culprit and may need professional replacement.