每當打開heater的時候，heater的service light 就亮了。heater 不製熱了。

要關了heater, 再重新啟動，它會工作很短的時間，然後service light 又亮了，又不製熱了。

所有跟帖： 

• try again, still not saying much.. -borisg- ♂ (0 bytes) () 11/24/2023 postreply 15:22:46

• try many times, 幾個檢查人員都不知道是啥毛病。他們試了很多方法，都沒發現毛病。 -瓜瓜ruby- ♀ (0 bytes) () 11/24/2023 postreply 15:26:37

• your words are more expensive than my time.. -borisg- ♂ (69 bytes) () 11/24/2023 postreply 15:28:38

• service light is on. -瓜瓜ruby- ♀ (0 bytes) () 11/24/2023 postreply 15:34:44

• this is the manual. go to page 33 and -borisg- ♂ (320 bytes) () 11/24/2023 postreply 15:41:24

• 謝謝，按您說的再作幾遍。感謝manual. -瓜瓜ruby- ♀ (0 bytes) () 11/24/2023 postreply 15:51:40