When the burner fails to ignite three times or the flame is accidentally extinguished, the boiler will automatically alarm, you need to press the "OK" button to reset and re-ignite.
When the burner fails three times or the flame is accidentally extinguished, the boiler automatically alarms and needs to press the "OK" key to reset and re-ignite.
When the burner fails to ignite for three times or the flame goes out unexpectedly, the boiler will alarm automatically. It is necessary to press the "OK" key to reset and re ignite