Coway
Water purifier

Select the code shown on your appliance to review its meaning and possible cause.

AP1
Check Wi-Fi connection setup

One of AP1 through AP4 may appear when the router connection, Wi-Fi credentials, or network setup prevents connection.

AP2 · AP3 · AP4
AP5
Temporary network connection issue

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

We currently provide a verified sample and will add more codes after checking official sources.