1. Of the judgment of the first instance court, KRW 40,347,480 against the Plaintiffs and its related thereto from May 1, 2013 to September 1, 2016.

1. Basic facts

A. The Plaintiffs as the parties leased part of five floors of the building located in Daegu Suwon-gu, and operated the Ansan Institute (hereinafter “instant hospital”) as a partnership business.

The Defendant leased part of the above floors and operated the skin room (hereinafter “the skin room of this case”).

B. A fire at around 00:10 on May 1, 2013, which occurred between the instant fire and the Plaintiffs’ damages, was completely extinguishing around 00:29 on the same day due to the occurrence of a fire in the skin room of the instant case.

(hereinafter “the instant fire”. The instant fire was destroyed by the interior and interior equipment of the skin room of the skin of the instant case, and the electric equipment of the building was destroyed by fire. Damage was inflicted on the equipment and interior equipment of the instant hospital, and the instant hospital was not operated for 12 days.

C. (1) After the extinguishment of the instant fire, the results of the investigation on the cause of the instant fire, etc. were as follows: (a) The electric ioner installed on the wall of the main wall of the skin room for the skin room for the instant fire (hereinafter “the instant hot ioner”).

)에서 주변으로 연소된 흔적이 나타나 있고, 이 사건 온수기가 가장 심하게 불에 탔다. 이 사건 온수기의 내부 릴레이에서 외부 화염에 의해서는 형성되기 어려운 전기적 용융흔이 발견되었다. 2) 이 사건 화재 원인 조사와 관련하여 이 사건 온수기의 잔해와 온수기의 전원코드 및 확장형 콘센트에 함께 연결되어 있던 다른 전원코드(세탁기에 연결된 전원코드)를 감정한 국립 과학수사 연구원은, 당초 감정서에서는 '전기온수기 내부 기판의 릴레이 설치 부분을 중심으로 최초 발화된 것으로 볼 수 있으나, 위 부분에서 최초 발화된 것으로 한정하기 위해서는 단락흔이 식별되는 0.75㎟ × 3C 규격의 전원코드(세탁기 전원코드를 지칭한다)의 정확한 배선구조 파악 및 부하기기의 연결 상태 등에...