Troubleshooting LG washer Error code i20 – Drainage issues 

The LG Washer error code i20 indicates a drain error, where the appliance struggles to empty water during or after a cycle. Let’s break down the possible causes and solutions:

1. Clogged drain hose

Over time, debris like lint and small clothing items can obstruct the drain hose.  

Solution: Disconnect the hose, inspect for blockages, and flush it with water to clear any debris.

2. Faulty drain pump

If the drain pump fails to function, water cannot be expelled effectively.  

Solution: Listen for unusual noises from the pump. If it’s damaged, replacing the pump is recommended.

3. Dirty filters

Filters inside the washer might collect lint or small objects, blocking water flow.  

Solution: Regularly clean the washer’s filters according to the manual.

4. Electrical issues

In rare cases, the washer’s control board may misinterpret signals, triggering the error.  

Solution: Reset the washer by unplugging it for 10 minutes. If the issue persists, call a technician.

Pro tip. To prevent drainage issues, avoid overloading the washer, use the correct detergent, and clean the filters monthly. For professional LG washer repairs, trust the experts at Star Appliance Repair.

You can call us at (647)-847-8774 to book an appointment. 

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