Coway

Indicator lights

All Coway error codes and indicator lights by model

• Airmega 400[Pre Wash] indicator[Max2 Change] indicatorWi-Fi indicatorAir quality indicator colour
• AP-1512HHFilter replacement indicatorAir quality indicator colour

Air purifiers

• Airmega 400
  Coway Airmega 400S, 400, 300S and 300 air purifiersAlso AP-2015E, AP-2015E(SILVER_US), AP-2015F, AP-2015F(SILVER_US), AP-1515G, AP-1515H4 indicator lights, 4 problems, 4 how-tosVerified 13 November 2026
• AP-1512HH
  Coway Airmega Mighty AP-1512HH air purifierAlso AP-1512HH(W)2 indicator lights, 6 problems, 6 how-tosVerified 13 November 2026