mypros+
Error code reference

Haier Washer Error Code Err2

Drainage fault

Drainage fault – water is not drained completely; the water/pressure switch does not return to normal.

First step from the service manual

Check whether the drainage pump is blocked.

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 Err2.

  • 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 Err2 means on a Haier washer

Err2 on a Haier washer signals a drainage fault, meaning the machine attempted a drain cycle but could not remove water completely within the expected time frame. The water level or pressure switch, which monitors water volume inside the drum, failed to return to its empty or reset position after the drain cycle completed. This tells the control board that standing water remains in the tub, causing the machine to halt and display the error rather than proceed to the next cycle phase.

The drainage system on these washers involves several components working in sequence: the drain pump motor, the pump filter and housing, the drain hose routing, and the pressure switch that confirms successful drainage. A blockage anywhere in this path, most commonly in the pump filter or the pump impeller itself, restricts water flow and prevents full drainage. The pressure switch is a pneumatic device connected to the tub via an air trap and small hose; if water remains, the switch stays activated and signals the fault condition.

Blockages from lint, coins, small garments, or debris are the leading cause of Err2. However, a kinked or improperly routed drain hose, a failed pump motor, a defective pressure switch, or a clogged pressure switch air hose can all produce the same error. Diagnosing in order from simplest to most complex, starting with a visual and physical check of the pump filter and drain hose, is the recommended approach before suspecting electrical or sensor failures.

Source: manufacturer service documentation.

Common causes of Err2

  1. 01

    Blocked or clogged drain pump filter

    Wiring / connection

    Lint, coins, buttons, or small debris can accumulate in the pump filter and restrict water flow severely enough to prevent complete drainage. The filter is typically accessible behind a small access panel at the front lower section of the washer and should be the first item inspected.

  2. 02

    Kinked or obstructed drain hose

    Wiring / connection

    A drain hose that is kinked, crushed, or inserted too far into the standpipe can create a siphoning effect or a physical blockage that prevents water from fully evacuating. Inspect the entire hose length from the pump outlet to the drain standpipe or sink.

  3. 03

    Failed or seized drain pump motor

    Part replacement

    If the pump motor has failed electrically or its impeller has seized due to debris, the pump will not move water out of the tub regardless of control board commands. You may hear no motor noise or a humming noise without actual pumping during the drain cycle.

  4. 04

    Defective water pressure switch

    Part replacement

    The pressure switch monitors water level through an air-filled hose connected to the tub. If the switch itself is faulty or if the small air hose connecting it to the tub is cracked, clogged, or disconnected, the switch may fail to signal that the tub is empty even after successful drainage.

  5. 05

    Clogged or damaged pressure switch air trap hose

    Wiring / connection

    The small rubber hose running from the tub air trap to the pressure switch can become clogged with soap residue or detach from its fitting, causing the pressure switch to receive inaccurate readings. Inspect this hose for blockages, cracks, or loose connections.

See the test procedure for each cause

Frequently asked questions about Err2

What does Err2 mean on a Haier washer?
Err2 indicates a drainage fault where the washer was unable to drain water completely during a cycle. The water or pressure switch did not return to its normal empty-tub position, signaling to the control board that water remains in the drum. The machine stops the cycle to prevent damage and to alert you to the drainage issue.
How do I fix Err2 on my Haier washer?
Start by checking and cleaning the drain pump filter, which is the most common cause of this fault. Also inspect the drain hose for kinks or blockages and make sure it is not inserted more than a few inches into the standpipe. If the filter and hose are clear, the drain pump motor or pressure switch may need testing and possible replacement.
Is it safe to use my Haier washer while Err2 is showing?
You should not continue running the washer while Err2 is active. The error means water is not draining properly, and running additional cycles could lead to overflow, water damage, or additional strain on the pump motor. Address the drainage issue first before resuming normal use.
Will resetting my Haier washer clear the Err2 code?
Resetting the washer by unplugging it for a few minutes may temporarily clear the error display, but the code will return if the underlying drainage problem is not resolved. The fault is triggered by a real condition: water remaining in the tub. A lasting fix requires identifying and correcting the cause of the drainage failure.
How much does it cost to repair a Haier washer showing Err2?
If the fix is simply cleaning a clogged pump filter or repositioning a kinked drain hose, there may be no parts cost at all, only your time. If the drain pump motor needs replacement, parts and labor costs typically range from around 80 to 200 dollars depending on the service provider and part availability. A faulty pressure switch is generally a less expensive repair, with parts often in the 15 to 50 dollar range.

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

Get Started

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