Coway AP-1512HH — Error codes & fixes

Troubleshooting guide for the Coway AP-1512HH. Diagnose an error code and find the fix.

Wi-Fi connection failure

wifi-connect

The purifier cannot connect to the app or Wi-Fi, blocking remote control and monitoring.

Source: ProductDB enrichment catalog Confidence: 85% Verified Aug 8, 2026

2 fixes available

Filter replacement indicator

filter-replace

The unit prompts that the filter needs replacing, reducing air-cleaning performance.

Source: ProductDB enrichment catalog Confidence: 85% Verified Aug 8, 2026

2 fixes available

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