Haier Washer - Err4 Error Code

The washer detected an overflow condition.

Meaning

The washer detected an overflow condition.

The Haier Err4 error code indicates that the washer detected a water level above the safe threshold. This is an overfill condition and is similar to E8 on newer Haier models. The washer immediately stops filling and attempts to drain to prevent flooding.

Symptoms

  • Washer overfills
  • Water visible near the door glass
  • Err4 appears during fill

Causes

  • Stuck inlet valve
  • Blocked pressure hose
  • Faulty pressure sensor
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Step-by-Step Fixes

  • Unplug the washer immediately.
  • Inspect the pressure hose for blockages.
  • Test the inlet valve for proper closure.
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Safety Notes

  • Do not continue using the washer if overfilling occurs.
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Applicable Models

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  • Haier international front-load washers
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Related Pages

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Other Haier Washer Error Codes

Show All Error Codes

Model-Specific Notes

Err4 is common on older Haier washers with mechanical pressure switches.

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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