施耐德雙電源WATSGA-100/4P            WATSGB-100/4P                                  WATSNB-63A/4P施耐德雙電源WATSGA-125/4P            WATSGB-125/4P                                  WATSNB-80A/4P施耐德雙電源WATSGA-160/4P            WATSGB-160/4P                                  WATSNB-100A/4P施耐德雙電源WATSGA-200/4P            WATSGB-200/4P                                  WATSNB-160A/4P施耐德雙電源WATSGA-250/4P            WATSGB-250/4P                                  WATSNB-250A/4P施耐德雙電源WATSGA-320/4P            WATSGB-320/4P                                  WATSNB-400A/4P施耐德雙電源WATSGA-400/4P            WATSGB-400/4P                                  WATSNB-630A/4P施耐德雙電源WATSGA-500/4P            WATSGB-500/4P                                  WATSNB-800A/4P施耐德雙電源WATSGA-630/4P            WATSGB-630/4P                                  WATSNB-1000A/4P


H5模塊保護、Lc啟動失敗、H7同步失敗（壓縮機可動作）：易簡單誤判為室外電器盒問題。首先，此類故障多與變頻啟動有關，與制冷系統關系密切；如果上電后壓縮機可以運轉一會兒，檢測模塊無明顯異常的情況下，不要盲目更換外機電器盒；如果新機運轉中出現，需排除系統制冷劑是否過多、系統是否堵塞；如果運轉較長一段時間出現，需檢測工作環境是否惡劣、換熱器是否臟，電源電壓是否低安裝通風環境是否較差；類似故障一般可以多啟動運行幾次，有的即可排除。