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Error code reference

Haier Washer Error Code Drainage

Drainage error, water not emptied within 4 minutes.

Haier codesHaier washer codes

Drainage error, water not emptied within 4 minutes.

First step from the service manual

Cut off power and check water level pressure switch wire connection, measure resistance of pins 1 and 3 for infinite reading.

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

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What Drainage means on a Haier washer

The Haier washer drainage error triggers when the machine fails to empty the drum within a 4-minute window during a drain cycle. The control board monitors the drain process and expects the water level pressure switch to confirm that water has been removed within this time limit. If the pressure switch still reads water present after 4 minutes, the board registers the fault and halts operation. This is a protective measure to prevent the machine from advancing to a spin cycle with standing water in the drum.

The water level pressure switch is central to this diagnostic. The switch communicates water level information to the control board through a wiring harness, and the first step after cutting power is to inspect the wire connection at this switch. Technicians should measure the resistance between pins 1 and 3 of the pressure switch: a properly functioning switch should return an infinite resistance reading in that configuration. A reading other than infinite suggests the switch is faulty or the circuit is compromised.

Beyond the pressure switch, the root cause often lies in the mechanical drain path. A clogged pump filter, kinked or blocked drain hose, or a failed drain pump motor can all prevent adequate water evacuation within the required time window. Even if the pump is operational, a partial blockage can slow drainage enough to trigger the 4-minute timeout. Wiring faults between the pressure switch and control board are also a possibility, particularly if the connection has been exposed to moisture or vibration over time.

Source: manufacturer service documentation.

Common causes of Drainage

  1. 01

    Clogged drain pump filter

    Wiring / connection

    Lint, debris, and small objects accumulate in the pump filter over time and restrict water flow, preventing the machine from draining fast enough. Locate and clean the filter, typically behind an access panel at the front lower section of the washer.

  2. 02

    Blocked or kinked drain hose

    Wiring / connection

    A drain hose that is kinked, pressed against a wall, or has a partial internal blockage will slow or stop water from exiting the drum. Inspect the full length of the hose and confirm it is routed without sharp bends.

  3. 03

    Failed drain pump motor

    Part replacement

    The drain pump motor may have burned out or seized, leaving it unable to move water out of the drum at all. You can often identify this by listening for the pump during a drain cycle, as a failed pump will be silent when it should be running.

  4. 04

    Faulty water level pressure switch

    Part replacement

    If the pressure switch is defective, it may report water still present in the drum even after draining is complete, triggering a false fault. After cutting power, measure resistance between pins 1 and 3 of the switch and look for an infinite reading to confirm switch condition.

  5. 05

    Damaged or disconnected pressure switch wiring

    Wiring / connection

    Loose, corroded, or broken wires in the harness connecting the pressure switch to the control board can cause incorrect water level signals. Inspect the connector and wire terminals for damage, corrosion, or separation after cutting power.

See the test procedure for each cause

Frequently asked questions about Drainage

What does Drainage mean on a Haier washer?
The drainage error on a Haier washer means the machine was unable to empty water from the drum within 4 minutes during a drain cycle. The control board detected that the water level pressure switch still indicated water present after the time limit expired. The washer halts operation to prevent running a spin cycle with standing water inside. Common causes include a clogged filter, blocked drain hose, failed pump, or a faulty pressure switch.
How do I fix a drainage error on a Haier washer?
Start by cutting power to the machine and checking the drain pump filter for blockages, then inspect the drain hose for kinks or obstructions. Next, check the wire connection at the water level pressure switch and measure resistance between pins 1 and 3, which should read infinite if the switch is working correctly. If the mechanical path is clear and the wiring is intact, the drain pump motor or pressure switch itself may need to be replaced.
Is it safe to use my Haier washer when the drainage error is showing?
You should not continue using the washer while the drainage error is active. The machine has stopped the cycle because water could not be removed from the drum, and running a spin cycle with standing water can stress the motor and other components. Address the underlying cause before restarting a wash cycle.
Will resetting my Haier washer clear the drainage error?
Cutting power and restarting the machine may temporarily clear the error display, but the fault will return if the underlying problem is not resolved. The drainage error is triggered by a real condition, either a blockage, a pump failure, or a faulty pressure switch, so a reset alone is not a fix. Diagnose and correct the root cause before running another cycle.
How much does it cost to repair a Haier washer drainage error?
Repair costs depend on the cause. Cleaning a clogged filter or clearing a blocked hose costs nothing beyond your time. Replacing a drain pump motor typically runs between $80 and $200 for parts and labor depending on your area. A water level pressure switch replacement is generally less expensive, often in the $40 to $120 range including labor.

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