mypros+
Error code reference

Haier Washer Error Code F2

Overflow alarm

Haier codesHaier washer codes

Overflow alarm — water faucet leaks or overflow condition detected.

First step from the service manual

Contact the after-sales service department.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for F2.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F2 means on a Haier washer

The F2 error code on a Haier washer indicates an overflow alarm condition. This code is triggered when the machine's water level monitoring system detects that water has reached an unsafe level inside the drum or cabinet, or when a continuous water faucet leak allows water to enter the machine even when it should not be filling. The overflow detection circuit typically relies on a pressure sensor or water level sensor that monitors drum water height throughout the wash cycle.

The most likely causes fall into two categories: a mechanical water supply issue or a faulty internal component. On the supply side, a leaking or improperly closed water inlet valve can allow water to trickle into the drum continuously, eventually triggering the overflow sensor. Internally, a failed water level pressure sensor or a blocked pressure hose can send incorrect readings to the control board, causing it to interpret a normal fill as an overflow condition.

Because this error involves uncontrolled water entry, it carries a real risk of water damage to flooring and cabinetry. Haier's guidance directs users to contact the after-sales service department rather than attempt self-diagnosis, which reflects the complexity of isolating whether the fault lies in the water supply, the inlet valve assembly, the pressure sensing system, or the main control board. Technicians should inspect the inlet valve for full closure, check the pressure sensor hose for kinks or blockages, and verify sensor resistance values before clearing the code.

Source: manufacturer service documentation.

Common causes of F2

  1. 01

    Faulty or leaking water inlet valve

    Part replacement

    A water inlet valve that does not close fully will allow water to seep into the drum continuously, even when the machine is not in a fill cycle. This is one of the most frequent triggers of the F2 overflow condition.

  2. 02

    Defective water level pressure sensor

    Part replacement

    The pressure sensor monitors the water level inside the drum and signals the control board to stop filling. If the sensor fails or sends an incorrect reading, the board may declare an overflow even when the actual water level is normal.

  3. 03

    Blocked or kinked pressure sensor hose

    Wiring / connection

    The small hose connecting the drum to the pressure sensor can become kinked, clogged, or disconnected. This prevents accurate pressure readings and can cause false overflow detection.

  4. 04

    External faucet or supply hose leak

    Wiring / connection

    A loose or damaged water supply hose connection at the back of the machine can allow water to leak into the cabinet area, triggering the overflow alarm. Inspect hose fittings and washers for wear or improper seating.

  5. 05

    Main control board fault

    Part replacement

    If the control board is malfunctioning, it may incorrectly process signals from the water level sensor and trigger a false F2 code. This is the least common cause and is typically diagnosed only after other components have been ruled out.

See the test procedure for each cause

Frequently asked questions about F2

What does F2 mean on a Haier washer?
The F2 code on a Haier washer signals an overflow alarm. It means the machine has detected water at an unsafe level inside the drum, or that a continuous leak from the water supply is allowing water to enter when it should not be. Haier recommends contacting the after-sales service department when this code appears.
Can I fix the F2 error on my Haier washer myself?
Some basic checks are safe to perform, such as inspecting the water supply hose connections for leaks and making sure the hoses are fully tightened. However, diagnosing a faulty inlet valve, pressure sensor, or control board requires technical knowledge and proper tools. Haier's guidance is to contact their after-sales service department for this error.
Is it safe to keep using my Haier washer when F2 is displayed?
No, you should not continue using the washer when the F2 error is active. This code indicates an overflow or uncontrolled water entry condition that can cause water damage to your floor and surrounding cabinets. Turn off the water supply valves to the machine and leave it off until the problem has been diagnosed and repaired.
Will resetting my Haier washer clear the F2 error?
A simple reset may temporarily clear the F2 code from the display, but it will not fix the underlying problem. If the cause is a leaking inlet valve, a faulty pressure sensor, or a blocked hose, the overflow condition will return and the code will reappear. The root cause must be identified and corrected before the machine will operate reliably.
How much does it cost to repair an F2 error on a Haier washer?
Repair costs depend on which component is at fault. Replacing a water inlet valve typically falls in the range of $75 to $200 including parts and labor, while a pressure sensor replacement is usually similar in cost. If the main control board is the cause, costs can range from $150 to $350 or more depending on the model and labor rates in your area.

Related Haier washer codes

All Haier washer codes
View all 66 Haier washer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass