켜기
- 1Press 전원. The screen lights up.
A newer Navien controller with a ribbed dial: touch a function, then turn the dial; the screen shows current and set temperature side by side.

실내 at 21–23°C, hot water 45°C.
| 현재온도 | Current temperature | Room temperature now. |
|---|---|---|
| 설정온도 | Set temperature | The target you chose. |
| 실내 / 온돌 | Room / Floor | Active heating mode. |
| 불꽃 | Flame icon | The boiler is heating now. |
| 나뭇잎 | Leaf icon | Gas-saving indicator. Nothing to do. |
| 00시간마다 00분 가동 | Every __ h, run __ min | Timer setting. |
| 빠른 | Quick | Quick hot water is on (ends after 10 min). |
| 전용 | Only | Hot-water-only mode. |
| 외출 | Away | Heating off; hot water and frost protection only. |
Note any code on the screen and call 1588-1144.
A/S: 1588-1144