Coway Air Purifier Error Code 8: How to Fix It

Q: What does error code 8 on a Coway air purifier mean?

Error code 8 indicates that ozone levels inside the purifier are too high. This is a safety warning and usually occurs due to a dirty filter or prolonged operation without a filter change.

Q: Is it safe to use the air purifier with error code 8?

No, you should stop using the purifier immediately and follow the troubleshooting steps. High ozone levels can be harmful to your health.

Q: How often should I replace the filter to avoid error 8?

Coway recommends replacing the filter every 6-12 months, depending on usage and air quality. Regular replacement prevents filter clogs and ozone buildup.

Q: Can I reset error code 8 without replacing the filter?

Yes, you can reset the error by unplugging the unit for 30 minutes and pressing the reset button. However, if the error returns, filter replacement is likely needed.

Q: Does every Coway air purifier have an ionizer?

Not all models. Only models with an ionizer or ozone generator produce ozone. Check your user manual to see if your model has this feature.

Abstract

Error code 8 on your Coway air purifier indicates that the ozone level inside the unit is too high. This usually happens after prolonged use or when the filter needs replacement. Follow these steps to resolve the issue and ensure your air purifier operates safely.