Match the blink pattern to the fault.

Learn what common blink patterns mean, what typically causes them, and whether they need urgent attention.

Choose your brand

Open the brand page to view common blinking-light patterns in one place. If your exact pattern is not listed, send us a short video and model sticker so we can verify quickly.

How to use blink patterns correctly

Blink patterns are useful triage signals, but the same behavior can map differently across controller families. Confirm the pattern carefully before choosing repair scope.

Count blink repeats over multiple cycles before matching any row in the table.
Capture a short video and model sticker so the pattern can be verified faster.
Use this page for triage, then confirm with observed behavior before approval.

Need help with a blinking pattern right now?

Send us a short blink video, brand, and model sticker. We'll advise your next step before any work is recommended.

Share blinking light pattern on WhatsApp

Other diagnostic tools

If your unit shows an error code or a different problem instead, try a different starting point.

Error codes

Display showing a code? Look up what it means for your brand.

Aircon problems

Diagnose a specific problem like no cooling, water leak, or noise.