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.
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
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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
- 01
Blocked or clogged drain pump filter
Wiring / connectionLint, 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.
- 02
Kinked or obstructed drain hose
Wiring / connectionA 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.
- 03
Failed or seized drain pump motor
Part replacementIf 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.
- 04
Defective water pressure switch
Part replacementThe 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.
- 05
Clogged or damaged pressure switch air trap hose
Wiring / connectionThe 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.
Frequently asked questions about Err2
What does Err2 mean on a Haier washer?
How do I fix Err2 on my Haier washer?
Is it safe to use my Haier washer while Err2 is showing?
Will resetting my Haier washer clear the Err2 code?
How much does it cost to repair a Haier washer showing Err2?
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