A.開關(guān)按鍵燈不亮B.不出熱水C.出水量小D.熱水不熱E.熱水過熱
1.拔掉電源插頭2.關(guān)閉燃?xì)忾y門3.關(guān)閉進(jìn)水閥門4.打開出水閥門5.拆下進(jìn)水接頭處的排水泄壓閥