Ding-dong sound with 30-second error display - Self-Diagnostic Error Detected

What does Ding-dong 30s error mean?

When the self-diagnostic function is manually initiated (by holding 'Power Freeze Key + Power Cool Key' for 8 seconds), it starts with a 'ding-dong' sound. If an error is detected, the display will show the error for 30 seconds before returning to normal condition.

• A sensor or other internal component issue detected by the self-diagnostic.

Click steps to track your progress.

1. 1

   Note the specific error displayed during the 30-second window.

2. 2

   Consult the 'self-diagnosis CHECK LIST' in your manual for detailed troubleshooting for the noted error.

3. 3

   To cancel the error mode self-diagnosis, press 'Power Freeze Key + Power Cool Key' simultaneously for 8 seconds.

4. 4

   If the error persists after checking, professional service may be required.