켜기
- 1Press 전원 (big round button, top right).
A white SK panel (a rebadged Daewoo DR-T10) with a red two-digit display, five mode lamps, three round buttons on the right and six bar buttons below.

Heating on at 60°C while home; timer 3 h when out for the day in winter; hot water H1 or H2.
| two-digit number | Water temp | Heating-water temperature in the pipes, not room temperature. |
|---|---|---|
| H1 / H2 / H3 | Hot water low/mid/high | Hot-water level 약 / 중 / 강. |
| E1 | No water | Heating pipes short of water — check for a water cut, then A/S. |
| E3 | Overheat | Water not circulating — open floor manifold valves, clean filter (A/S). |
| E6 | Gas leak | Gas leak detected — ventilate, call A/S. |
| display + 연소 blinking | No ignition | Check gas valve is open / gas supply. |
Codes show on the red display. E1 = no water (check water cut, then A/S); E3 = overheating (open floor manifold valves); E6 = gas leak; blinking display + 연소 = no ignition (open gas valve). Printed A/S: 1577-5161.
A/S: 1577-5161