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
Causes
Step-by-Step Fixes
- Clean or replace the pressure hose.
- Test the pressure sensor.
- Inspect wiring harness connections.
Safety Notes
- Do not operate the washer with unstable water level readings.
Applicable Models
Show Models
- Haier HLC1700AXW
- Haier HLC1700AXS
Related Pages
Other Haier Washer Error Codes
Show All Error Codes
- Haier Washer CLRF Error Code
- Haier Washer E1 Error Code
- Haier Washer E10 Error Code
- Haier Washer E11 Error Code
- Haier Washer E12 Error Code
- Haier Washer E13 Error Code
- Haier Washer E2 Error Code
- Haier Washer E4 Error Code
- Haier Washer E8 Error Code
- Haier Washer Err1 Error Code
- Haier Washer Err2 Error Code
- Haier Washer Err3 Error Code
- Haier Washer Err4 Error Code
- Haier Washer Err5 Error Code
- Haier Washer Err6 Error Code
- Haier Washer Err7 Error Code
- Haier Washer Err8 Error Code
- Haier Washer Err9 Error Code
- Haier Washer F3 Error Code
- Haier Washer F7 Error Code
- Haier Washer F9 Error Code
- Haier Washer FA Error Code
- Haier Washer FC Error Code
- Haier Washer FC0 Error Code
- Haier Washer FC1 Error Code
- Haier Washer FC2 Error Code
- Haier Washer Fd Error Code
- Haier Washer FE Error Code
- Haier Washer H Error Code
- Haier Washer U3 Error Code
- Haier Washer Unb Error Code
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.