Haier Washer - F4 Error Code

The washer detected a water level sensor fault.

Meaning

The washer detected a water level sensor fault.

The Haier F4 error code indicates that the washer’s water‑level sensor (pressure sensor) is reporting invalid or inconsistent readings. The washer uses pressure feedback to regulate fill, drain, and heating. If the sensor is shorted, open, or blocked, F4 is triggered.

Symptoms

  • Washer stops during fill
  • Water level appears incorrect
  • F4 appears early in the cycle

Causes

  • Blocked pressure hose
  • Faulty pressure sensor
  • Loose wiring
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Step-by-Step Fixes

  • Clean or replace the pressure hose.
  • Test the pressure sensor.
  • Inspect wiring harness connections.
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Safety Notes

  • Do not operate the washer with unstable water level readings.
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Applicable Models

Show Models
  • Haier HLC1700AXW
  • Haier HLC1700AXS
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Related Pages

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Other Haier Washer Error Codes

Show All Error Codes

Model-Specific Notes

On Haier combo units, detergent residue often clogs the pressure chamber, causing F4.

Disclaimer

The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.

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