Hisense Washing Machine Error F21

⚡ Quick Answer: The Hisense Washing Machine F21 error indicates a drainage issue, often resulting in the machine stopping mid-cycle and water failing to drain properl... ✅ DIY Fixable

What Does Error F21 Mean?

The Hisense Washing Machine F21 error indicates a drainage issue, often resulting in the machine stopping mid-cycle and water failing to drain properly. This can be caused by problems with the water level sensor or blockages in the drainage system, including the pump or hose. The error may also be accompanied by loud gurgling sounds. Addressing these issues promptly can help restore your washer's functionality.

Common Symptoms:

  • F21 displayed on control panel
  • Washer fails to proceed / stops mid cycle
  • Water not draining properly or machine unable to detect correct water level

Possible Causes

  • Water level sensor or water level detection issue (medium)
  • Drainage problem (pump or hose blockage) (medium)

How to Fix Error F21

DIY Fix Basic checks for water and drainage

  1. Power off and unplug the washer
  2. Check that the drain hose is not kinked or blocked
  3. Inspect the drain pump filter for debris (if accessible)
  4. Ensure inlet hoses are properly connected and not clogged

Technician Only Inspect water level sensor and drainage components

  1. Test or replace the water level (pressure) sensor if malfunctioning
  2. Inspect the drain pump and motor for blockage or failure
  3. Check wiring harnesses for the water level and drainage circuits
  4. Verify control board connections for faults

Parts needed: Water level (pressure) sensor, Drain pump assembly, Hoses & wiring harness

🛑 When to Call a Pro:
  • If error persists after basic user checks
  • If signs of electrical faults or internal component failure become apparent

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number HIS-DRP-001
voltage_rating 120V AC

Common Questions

What does F21 error mean on Hisense Washing Machine?

F21 indicates a drainage problem, often causing the washer to stop mid-cycle and water not to drain.

Can I fix Hisense Washing Machine F21 error myself?

Yes, you can check for kinks in the drain hose and clean the drain pump filter.

How much does it cost to fix F21 error?

Repair costs range from ¥8,000 to ¥30,000 JPY, depending on parts and labor.

When should I call a technician for F21?

Call a technician if the error persists after basic checks or if you notice electrical faults.

Data last verified: 2026-04-14

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