Samsung Washing Machine Error 400

⚡ Quick Answer: The Samsung Washing Machine error code 400 typically indicates a drain pump failure. Users may notice unusual noises during the spin cycle and experie... ✅ DIY Fixable

What Does Error 400 Mean?

The Samsung Washing Machine error code 400 typically indicates a drain pump failure. Users may notice unusual noises during the spin cycle and experience issues with water not draining properly. To troubleshoot, check the user manual for model-specific guidance, ensure the washer is receiving proper water supply, and confirm that the door is securely closed. If the problem persists after a power cycle, further investigation is necessary.

Possible Causes

  • Drain Pump
  • Wiring Issues
  • Control Board Failure

How to Fix Error 400

DIY Fix Check model‑specific documentation and basic conditions

  1. Consult your exact Samsung washer model’s user manual or service documentation for error code definitions.
  2. Ensure the washer has proper water supply, door/lid is fully closed, and the cycle was started correctly.
  3. Power cycle the machine: turn off, unplug for several minutes, then restart.

Technician Only Contact Samsung support for error code interpretation

  1. Provide the exact washer model and the circumstances in which the code appears.
  2. Have a technician retrieve service mode or diagnostic codes if available.
  3. Determine if firmware or control board issues are present using official diagnostic tools.
🛑 When to Call a Pro:
  • If the error persists after basic checks and power cycle
  • If the appliance exhibits unusual noise, vibration, or signs of electrical issues

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-20 ohms
part_number DC31-00054B
voltage_rating 120V AC

Common Questions

What does 400 error mean on Samsung Washing Machine?

Error code 400 usually indicates a drain pump failure, causing water drainage issues.

Can I fix Samsung Washing Machine 400 error myself?

Yes, check the user manual, ensure water supply, and power cycle the machine.

How much does it cost to fix 400 error?

Repair costs vary by model and region; consult a technician for an estimate.

When should I call a technician for 400?

Call a technician if the error persists after troubleshooting or if you notice unusual noises.

Sources & References

Data last verified: 2026-01-10

User Comments (0)

Share your experience or solution below.

Be the first to comment!