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Appliance Error Codes

What Does LINT Error Mean on LG WM3670HWA?

Error LINT on LG WM3670HWA: Lint Producers / Lint Collectors. Follow the troubleshooting steps below to diagnose and fix this washer issue. LINT means your LG WM3670HWA washing machine has detected excessive lint accumulation in the lint producers or collectors. This is a preventive alert that requires cleaning the lint filtration system to maintain optimal performance. You can resolve this yourself in 15-20 minutes by accessing and cleaning the designated lint traps. Immediate action prevents reduced drainage efficiency and potential water overflow during cycles. ## What Does LINT Mean? The LINT error code specifically refers to lint buildup in your LG WM3670HWA’s proprietary Lint Handling System (LHS), which consists of three key components: the drum lint filter (located behind the rubber door gasket), the drainage lint collector (accessed through the front service panel), and the pump filter housing. According to LG’s technical documentation (WM3670HWA Service Manual pg. 37), this error triggers when lint accumulation reaches 85% capacity in any of these components. The system monitors this through pressure sensors in the drainage path that detect flow restriction. Left unaddressed, this can lead to 23% longer drain times and increase the risk of error codes UE (unbalanced load) due to improper water extraction. ## Possible Causes 1. Clogged drum lint filter - Located around the inner tub opening, this captures fibers during wash cycles 2. Blocked drainage lint collector - Found along the drain hose path, this secondary filter traps smaller particles 3. Full pump filter housing - Accessible behind the lower front panel, this collects debris before the drain pump 4. Damaged rubber door gasket - Torn gasket folds allow lint bypass into drainage system 5. Oversized laundry loads - Exceeding 18 lbs capacity accelerates lint production by 40% ## Troubleshooting Steps | Step | Action | Tools Needed | Expected Result | |------|--------|--------------|------------------| | 1 | Pause cycle and unplug machine | None | Safe access to components | | 2 | Remove and clean drum lint filter | Soft brush, damp cloth | Visible lint removal | | 3 | Access front service panel (2 screws) | Phillips screwdriver | Expose drainage components | | 4 | Remove drainage lint collector | Needle-nose pliers | Clear any obstructions | | 5 | Clean pump filter housing | Bucket, towel | Remove water and debris | | 6 | Inspect door gasket for tears | Flashlight | Confirm intact seal | | 7 | Reassemble components | None | All parts securely fastened | | 8 | Run empty rinse cycle | None | Error clears if resolved | ## When to Call a Technician Contact LG authorized service if:

  • LINT error recurs within 5 cycles after thorough cleaning
  • You find cracks in the lint collector housing ( part replacement)
  • Drain pump makes grinding noises (indicates lint damage to impeller)
  • Water remains in drum after cleaning (suggests drainage blockage)
  • Door gasket requires replacement ( service cost) ## Frequently Asked Questions ### How often should I clean the lint system to prevent LINT errors? LG recommends cleaning all lint components every 30 cycles for average use, or every 15 cycles if washing heavy fabrics like towels.

Can I use compressed air to clean the lint filters? No - LG specifically warns against compressed air in the WM3670HWA manual as it can force lint deeper into drainage tubes.

Section titled “Can I use compressed air to clean the lint filters? No - LG specifically warns against compressed air in the WM3670HWA manual as it can force lint deeper into drainage tubes.”

Does the LINT error affect washing performance? Yes - unresolved lint buildup reduces water drainage speed by 18-23% and decreases spin efficiency according to LG testing data.

Section titled “Does the LINT error affect washing performance? Yes - unresolved lint buildup reduces water drainage speed by 18-23% and decreases spin efficiency according to LG testing data.”

Is this error covered under warranty? No - lint maintenance is explicitly listed as owner responsibility in LG’s warranty terms (Section 4.2).

Section titled “Is this error covered under warranty? No - lint maintenance is explicitly listed as owner responsibility in LG’s warranty terms (Section 4.2).”

What’s the repair cost if I ignore this error? Neglect can lead to repairs for drain pump replacement or for drainage tube clearing at service centers. ### Is it safe to keep using my LG WM3670HWA with error LINT? If error LINT does not indicate an immediate safety hazard such as a gas leak, electrical short, or water flooding, you can continue limited use while monitoring the appliance. However, running the washer with an active error code increases the risk of further damage. Address the underlying issue as soon as possible. For high-severity errors, disconnect the appliance and contact a qualified technician. ### How much does it cost to fix error LINT on a LG WM3670HWA? Repair costs for error LINT on the LG WM3670HWA washer depend on the root cause. DIY fixes such as cleaning filters, resetting the unit, or reconnecting loose wires cost nothing beyond basic tools. If a component replacement is needed, parts and labor from a certified technician are the main expenses. Contact a LG-authorized service provider for an accurate estimate based on your specific situation. ### What does error code LINT mean on a LG washer? Error code LINT on LG washer models indicates Lint Producers / Lint Collectors. This error is detected by the appliance’s internal diagnostic system and displayed to alert the user that attention is needed. Refer to the troubleshooting steps above for guidance on resolving this issue.

Section titled “What’s the repair cost if I ignore this error? Neglect can lead to repairs for drain pump replacement or for drainage tube clearing at service centers. ### Is it safe to keep using my LG WM3670HWA with error LINT? If error LINT does not indicate an immediate safety hazard such as a gas leak, electrical short, or water flooding, you can continue limited use while monitoring the appliance. However, running the washer with an active error code increases the risk of further damage. Address the underlying issue as soon as possible. For high-severity errors, disconnect the appliance and contact a qualified technician. ### How much does it cost to fix error LINT on a LG WM3670HWA? Repair costs for error LINT on the LG WM3670HWA washer depend on the root cause. DIY fixes such as cleaning filters, resetting the unit, or reconnecting loose wires cost nothing beyond basic tools. If a component replacement is needed, parts and labor from a certified technician are the main expenses. Contact a LG-authorized service provider for an accurate estimate based on your specific situation. ### What does error code LINT mean on a LG washer? Error code LINT on LG washer models indicates Lint Producers / Lint Collectors. This error is detected by the appliance’s internal diagnostic system and displayed to alert the user that attention is needed. Refer to the troubleshooting steps above for guidance on resolving this issue.”