Coway · Water purifier

AP5

Code guidance

Temporary network connection issue

This code may appear in connection with a temporary network or server connection issue.

Information

Review the network guidance in the official manual and contact Coway support if the code returns.

Possible meaning

This code may appear in connection with a temporary network or server connection issue.

This information is not a professional diagnosis or repair instruction. The same code can mean different things by model, so follow the product manual and official manufacturer guidance first.

Models covered: CHP-7220N · CP-7220N

This service is not affiliated with or officially operated by the manufacturers shown. Manufacturer names and trademarks are used only to identify products. The information is summarized from official sources, but its meaning may vary by product model and release date.

Official manufacturer sourceVerify with official guidance ↗

Official source checked: 2026-08-21