Haier Washer Error Codes — ERR3, ERR4, ERR5, ERR6, ERR8 Explained

Haier is the world's largest home appliance manufacturer by volume and the parent company of GE Appliances, Hotpoint, and Fisher & Paykel. Haier-branded washers — including the portable HLP21N, compact HLT24AS, and full-size front-load lines — display alphanumeric error codes when the control board detects a fault. This guide decodes every common Haier washer error code, explains the underlying cause, and walks you through the diagnostic steps to resolve each one. Many Haier error codes clear with basic cleaning or load adjustment and never require a technician visit.

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Common Symptoms

Error code displayed on the control panel (ERR3, ERR4, ERR5, ERR6, ERR8)
Washer stops mid-cycle and will not resume
Washer door locked and will not open
Washer does not fill with water or fills very slowly
Washer does not drain at the end of the cycle
Drum vibrates violently or washer walks across the floor during spin
Washer agitates but drum speed never increases to full spin

Most Likely Causes

1
ERR3 — Door Lock Fault
ERR3 means the control board cannot confirm the door is securely latched. The door lock solenoid or door switch is not sending the expected signal. Causes: door latch striker bent or broken, door lock solenoid failed (test continuity — healthy solenoid reads 100–300Ω; OL = replace), loose wiring harness connector at the door lock assembly, or a foreign object caught in the door gasket preventing full closure. Common on HLT24AS and full-size front-load models.
2
ERR4 — Water Supply Fault
ERR4 triggers when the washer does not reach the required water level within the allotted fill time (typically 4–8 minutes). Root causes: water supply valves behind the washer not fully open, kinked or pinched inlet hoses, clogged inlet valve mesh screen filters (blocked by sediment), household water pressure below 15 PSI, or a failed water inlet valve solenoid. Common on HLP21N portable models where the inlet hose faucet adapter seal leaks or the valve is partially open.
3
ERR5 — Drain Fault
ERR5 fires when the washer cannot drain within the expected window (typically 3–5 minutes after the drain cycle starts). Common causes: clogged pump filter (coin trap — should be cleaned every 1–3 months), kinked drain hose, standpipe too low (below 18 inches causes siphoning), blocked drain pump impeller from a coin or small garment, or a burned-out drain pump motor. On the HLP21N, ERR5 is frequently caused by the drain hose extension not being fully inserted into the standpipe.
4
ERR6 — Motor Fault
ERR6 signals that the control board cannot detect the expected motor speed feedback (tachometer signal). Causes: loose motor wiring harness connector, failed motor speed sensor (tachometer), worn carbon brushes on brushed-motor models (replace when worn below 5mm), motor control board failure, or motor winding failure. Running the washer repeatedly after ERR6 without diagnosis can damage drum shaft bearings.
5
ERR8 — Unbalance Fault
ERR8 fires during spin when the drum sensor detects excessive vibration — the washer attempts 2–3 redistribution pauses and then halts. Causes: single heavy item (wet towel, jeans), overloaded drum, shipping transport bolts not removed before first use (4 rear bolts — critical on new Haier installations), worn drum suspension springs, or damaged shock absorbers. ERR8 on new machines almost always means the shipping bolts are still installed.

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Quick DIY Checks

Safety Warning

UNPLUG BEFORE SERVICING — Always disconnect the washer from 120V power before removing panels, touching internal wiring, or probing components with a multimeter. The motor capacitor and control board can hold a residual charge after unplugging.

Safety Warning

SHIPPING BOLT HAZARD — New Haier washer installations MUST have all 4 rear shipping bolts removed before first use. Operating with shipping bolts installed causes violent vibration, structural drum damage, and persistent ERR8 faults. Bolts are typically yellow or red plastic-capped and located across the rear panel.

Caution

ERR5 DRAIN WATER HAZARD — Expect water to spill when opening the pump filter access door. Place towels and a shallow tray to catch 1–3 liters of water. Water may be warm or hot if the error occurred mid-cycle — allow 15 minutes to cool before opening the filter.

1SAFETY FIRST — Unplug the washer from the wall outlet before accessing any internal component. For ERR3 door lock faults where the door is stuck closed, wait 3 minutes after unplugging — the lock solenoid will mechanically release once the control board loses power. Never force the door open.
2ERR3 DOOR LOCK — Inspect the door gasket for small items (socks, underwear) caught in the fold. Open and firmly close the door — listen for the audible click of the latch engaging. Visually inspect the latch striker on the door for bending or damage. To test the door lock solenoid: unplug the washer, disconnect the door lock wiring harness, and probe the solenoid terminals with a multimeter in Ω resistance mode. A healthy Haier door lock solenoid reads 100–300Ω. An open circuit (OL) means the solenoid has failed — replace the door lock assembly (HLT24AS lock: verify part via model sticker inside door frame).
3ERR4 WATER SUPPLY — Confirm both hot and cold supply valves are fully open (turn counterclockwise until they stop). Check both inlet hoses for kinks — straighten and route without sharp bends. Unscrew the inlet hoses from the back of the washer and inspect the small mesh screen filters inside the inlet ports. Clean any clogged screens under running water with a toothbrush. On the HLP21N portable model, reseat the faucet adapter and confirm the rubber seal is intact. If ERR4 persists, test household water pressure with a pressure gauge — must exceed 15 PSI.

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4ERR5 DRAIN — Locate the pump filter access door at the lower-front of the washer (front-load models: bottom panel, twist counterclockwise). Place towels and a shallow pan beneath — water will pour out when the filter is opened. Remove and clean the filter of lint, coins, and debris. Inspect the drain hose at the back: verify it is not kinked, and confirm the standpipe insertion is no more than 6 inches deep with the hose top 18–96 inches high. On the HLP21N, ensure the drain hose is fully seated in the sink or standpipe. Reinstall the filter and run a drain/spin cycle to confirm ERR5 clears.
5ERR6 MOTOR — Unplug the washer and remove the rear access panel (4–6 Phillips screws). Locate the motor wiring harness connector at the base of the tub assembly and firmly reseat it — wiggle to confirm it is fully seated. Inspect connector pins for corrosion or bent pins. On front-load brushed-motor models, inspect the carbon brushes: if worn below 5mm, replace in pairs (brushes are sold as a matched set). Reconnect all wiring, reassemble, and retest. If ERR6 returns immediately with no load, the motor tachometer or control board has failed and requires a qualified technician.
6ERR8 UNBALANCE — Open the door and manually redistribute laundry — pull apart tangled or bunched items. Remove single heavy items and wash them with a similar-weight item to balance the load. Do not exceed drum capacity (HLT24AS: 1.5 cu ft; full-size models: 4.0–5.0 cu ft). On new installations, check for shipping transport bolts at the rear of the machine — Haier ships washers with 4 large bolts securing the drum to the frame. These MUST be removed before first use. Leaving them installed causes violent ERR8 on every spin cycle and will eventually crack the tub. If ERR8 occurs on small balanced loads with shipping bolts removed, push against the front panel to test suspension — it should compress and rebound smoothly. Stiff or hard suspension indicates failed shock absorbers.
7RESET PROCEDURE (all codes) — After correcting the root cause, press and hold the START/PAUSE button for 5 seconds to attempt a fault clear on most Haier models. If the error persists, perform a hard reset: unplug the washer for 60 seconds, plug back in, select any wash cycle, and press START. If the error code reappears immediately without the washer attempting to run water or rotate the drum, the underlying fault has not been fully resolved.
8WHEN TO CALL A TECHNICIAN — ERR6 motor faults that persist after wiring inspection, ERR3 faults where the door lock assembly tests correctly (suspecting control board), or any fault combined with unusual burning smells or sparking should be escalated. Haier's parent company, Haier Group, owns GE Appliances and Hotpoint — certified GE Appliances service technicians are qualified to work on Haier-branded washers, and GE service parts often cross-reference to Haier models.

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Repair vs Replace

✓ Worth Repairing

The majority of Haier error codes resolve with free fixes: ERR4 inlet screen cleaning, ERR5 pump filter clearing, ERR8 load redistribution or shipping bolt removal. ERR3 door lock assembly replacement typically costs $40–$80. ERR5 drain pump replacement runs $40–$75. ERR6 motor brush sets are $15–$30. For washers under 10 years old in otherwise good condition, repair is almost always cost-effective. Consider replacement if ERR6 + ERR5 occur simultaneously on a high-mileage machine or if the drum bearings are also failing.

Est. Repair Cost

$0–$120 in parts (DIY)

Est. Replacement Cost

$500–$1,200 for a new Haier washer

Recommended Tools & Parts

Haier Door Lock Assembly
Replacement door latch and lock assembly for Haier front-load washers — resolves ERR3 door lock faults. Verify by full model number on the door frame sticker. Fits HLT24AS and similar front-load models.
$40–$80
Buy on Amazon →
Water Inlet Valve (Dual Solenoid)
Dual-solenoid water inlet valve for Haier washers — resolves persistent ERR4 water supply faults after inlet screens are cleaned. Includes integrated mesh screen filters. Verify by model number.
$30–$65
Buy on Amazon →
Drain Pump Motor
Replacement drain pump assembly for Haier front-load washers — resolves ERR5 drain faults that persist after pump filter cleaning and hose inspection. Verify by model number.
$40–$75
Buy on Amazon →
Shock Absorber Set (2-pack)
Replacement drum shock absorbers for Haier front-load washers — resolves ERR8 unbalance on normally loaded machines with shipping bolts already removed. Replace in pairs.
$25–$55
Buy on Amazon →
Carbon Brush Set
Motor carbon brushes for Haier washers with brushed universal motors — resolves ERR6 motor faults caused by worn brushes. Replace when brushes are shorter than 5mm. Sold as matched pair.
$15–$30
Buy on Amazon →
Digital Multimeter
Required for testing door lock solenoid resistance (ERR3), water inlet valve solenoid (ERR4), drain pump motor (ERR5), and motor continuity (ERR6). Ω resistance and continuity modes needed.
$15–$35
Buy on Amazon →

Links are Amazon affiliate links (tag: fixitfastai-20). Prices are estimates.

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Frequently Asked Questions

Does Haier own GE Appliances and Hotpoint?: Yes. Haier Group, headquartered in Qingdao, China, acquired GE Appliances from General Electric in 2016. GE Appliances includes the GE, GE Profile, Café, Monogram, Hotpoint, and Fisher & Paykel brands. Haier operates GE Appliances as a separate subsidiary. In practice this means certified GE Appliances service technicians are qualified to work on Haier-branded machines, and many service parts cross-reference between Haier and GE models.
How do I reset my Haier washer after clearing an error code?: After addressing the root cause, press and hold START/PAUSE for 5 seconds to attempt a soft reset on most Haier models. For a full hard reset, unplug the washer for 60 seconds, plug back in, and select any cycle before pressing START. ERR4 and ERR5 typically clear immediately after cleaning the inlet screen or pump filter. ERR3 and ERR6 require component repair or replacement before the code will clear permanently.
What models does this error code guide apply to?: This guide applies to Haier portable and residential washers including HLP21N (portable top-load), HLT24AS (compact front-load), HWF75 series, and Haier full-size front-load models. The ERR3–ERR8 error code set is consistent across the Haier washer platform. Minor code variations exist on older models and some international variants — always check your model's service sticker inside the door frame for model-specific code definitions.
ERR5 keeps coming back even after I cleaned the pump filter — what's next?: If ERR5 returns after filter cleaning and drain hose inspection, the next step is testing the drain pump motor itself. With the washer unplugged, access the pump (front access door or rear panel), disconnect the motor wiring harness, and measure resistance across the pump terminals with a multimeter in Ω mode. A healthy Haier drain pump motor reads approximately 10–30Ω. An open circuit (OL) indicates a burned-out pump winding — the pump assembly must be replaced. Also confirm the drain hose standpipe height: the top of the hose must be 18–96 inches high to prevent siphoning.