Find guides for the lighting product you are working on.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
Find guides for the lighting product you are working on.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
A step-by-step troubleshooting guide that checks power, wiring, settings, and the affected component before parts are replaced.
适合知道产品类型、但还不能准确描述故障的用户。
柔性灯带、COB灯带、RGB/RGBIC灯带
沿插座、适配器、控制器和灯带首端逐点定位断电位置，避免盲目更换零件。
通过降低亮度、测带载电压和检查接头，判断电源余量、压降或数据线故障。
根据灯带类型定位分界点，检查剪切焊盘、铜箔、串并联支路和首个异常像素。
用固定红绿蓝测试记录通道映射，再调整RGB线序或端子接线。
测量首尾电压差，通过缩短线路、加粗线材和多点补电改善长灯带亮度。
识别剪切线和焊盘，完成去胶、预上锡、焊接、绝缘和通电验证。
判断进水范围，清理腐蚀物并决定局部修复还是整段更换。
检查像素数量、数据方向和首个故障像素，恢复后半段数据链路。
灯板、吸顶灯、驱动电源与灯珠
通过冷机/热机差异、输出测量和替换测试判断驱动电源与灯板故障。
在保证安全的前提下检查输入端、驱动输出、灯板连接和灯珠串。
通过外观、二极管挡和分段测试定位失效灯珠，评估更换或整板替换。
检查带指示灯开关、零火线接法、智能开关漏电流和线路感应电压。
车内氛围灯、脚窝灯、门板灯与控制器
按保险、取电点、搭铁、控制器和分支接头检查车载氛围灯间歇故障。
使用分支隔离和电阻检查定位正极短路、接反或线束磨破。
使用纯色测试区分线序错误、接头反插、灯条批次差异和压降。
确认ACC供电、手机权限、控制器占用和扫描方式。
按车辆取电点、保险、搭铁、控制器输入和分支输出逐项判断，避免直接更换整套灯。
判断取电点是否为常电、车辆是否处于延时断电，以及控制器是否在待机而非真正关闭。
比较ACC和发动机运行状态的输入电压，判断启动瞬间压降、搭铁不良或控制器抗干扰不足。
对比正常车门，检查分配器端口、门板插头、胶套活动线束和灯条本体。
通过车辆资料、保险位状态对比和机械检查选择随钥匙上电的取电点与低电阻搭铁点。
检查LED光源是否正对导光条端面、导光条是否受损，以及长度和弯曲半径是否超出适用范围。
圣诞树灯、烟花灯、窗帘灯与串灯
区分低压LED串灯与可更换灯泡灯串，定位松动灯泡、断线和分段保险。
判断按键、遥控、控制器输出和灯串分支是否正常。
检查插头、控制盒、接头和灯串外皮，决定干燥、修复或报废。
先区分低压适配器灯串与市电插头灯串，再沿输入端、保险、控制盒和灯串首端定位断电位置。
用遮挡光伏板、清洁板面和更换可充电电池的方法，判断光敏开关、电池衰减还是线路故障。
从不亮列的顶部连接点向下检查分支导线、灯珠节点和公共回路线，避免拆错相邻列。
利用分段弯折、通断对比和放大观察定位细铜线断点，并正确去除漆膜后焊接绝缘。
确认模式键是否接触不良、遥控是否真正发码，以及控制盒是否只剩固定输出。
确认充电头是否提供稳定5V、USB插头是否松动，以及电池盒/控制器到灯串首端是否断线。
电视背光灯带、同步盒与摄像头方案
区分摄像头采色方案与HDMI同步盒，检查校准、信号源和延迟。
判断USB口供电能力、待机断电逻辑和灯带实际功率，选择独立电源。
先判断电视USB是否供电，再检查独立适配器、控制盒指示、接头方向和灯带首段。
区分电视待机供电、快速启动、同步盒信号检测和控制器自动关灯逻辑。
确认灯带起点、顺逆时针方向、屏幕分区顺序和App镜像设置。
通过清洁镜头、降低环境反光、重新标定屏幕边界和调整饱和度改善采色偏差。
用最小连接链路逐项测试输入源、HDMI线、同步盒输出和显示格式兼容。
根据电视实际背板宽高和三边/四边方案计算周长，并预留转角、接口和不可裁剪像素段。
育苗灯、补光灯、植物灯板与定时系统
检查散热片、风扇、驱动电流和灯珠热损伤，避免继续过热运行。
通过网格测量和观察冠层差异调整灯距、角度和多灯重叠。
检查定时器模式、时区、断电记忆和继电器负载能力。
先排除智能插座和定时器，再检查外部电源线、驱动指示和低压输出连接。
通过观察不亮形状、比较通道和热损伤，判断单颗灯珠开路、分区连接或驱动通道问题。
先判断风扇是否按温度启动，再检查堵转、插头、额定电压和控制板输出。
记录冷机到熄灭时间，改善散热并排除定时控制，判断驱动热保护还是灯板过载。
使用插座功率计测量输入功率、累计电量和功率因数，并区分标称LED功率与墙端实际功率。
通过覆盖网格、中心/边缘对比和植物反应逐步调整高度，而不是只按单一推荐距离。
智能灯泡、开关、网关、语音与场景联动
按供电、无线网络、网关距离、路由器设置和设备固件逐项排查。
判断无零线开关漏电流、最小负载和调光协议不兼容。
检查账号绑定、设备命名、房间冲突和云端同步。
确认灯泡持续有电、传统墙壁开关未调光，并按产品规定的开关节奏执行复位。
确认手机和灯具处于2.4GHz覆盖，关闭不兼容的网络隔离，并检查App本地网络和位置权限。
识别无零线开关维持供电所需的小电流，并判断灯具兼容、旁路器安装或改用有零线方案。
在断电和验电前提下核对端子定义，检查把零线误接负载、线头碰壳和负载过流等问题。
核对家庭位置、时区、触发偏移、有效日期和设备在线状态，并查看自动化运行记录。
设置灯具的上电行为为保持关闭、恢复上次状态或自定义亮度，并验证墙壁开关和自动化冲突。
适配器、驱动、控制器、线材和检测工具
根据额定电压、单位功率和长度计算电源与控制器容量。
掌握直流电压挡、通断挡和安全测量顺序。
通过固定色指令测量各输出通道，判断控制器、线序或灯带故障。
用电流和单程距离评估线径，避免发热、尾端变暗和控制器重启。
识别过载、接触电阻、散热不良和电源故障，判断是否需要报废。
適合知道產品型別、但還不能準確描述故障的使用者。
柔性燈帶、COB燈帶、RGB/RGBIC燈帶
沿插座、介面卡、控制器和燈帶首端逐點定位斷電位置，避免盲目更換零件。
透過降低亮度、測帶載電壓和檢查接頭，判斷電源餘量、壓降或資料線故障。
根據燈帶型別定位分界點，檢查剪下焊盤、銅箔、串並聯支路和首個異常畫素。
用固定紅綠藍測試記錄通道對映，再調整RGB線序或端子接線。
測量首尾電壓差，透過縮短線路、加粗線材和多點補電改善長燈帶亮度。
識別剪下線和焊盤，完成去膠、預上錫、焊接、絕緣和通電驗證。
判斷進水範圍，清理腐蝕物並決定區域性修復還是整段更換。
檢查畫素數量、資料方向和首個故障畫素，恢復後半段資料鏈路。
燈板、吸頂燈、驅動電源與燈珠
透過冷機/熱機差異、輸出測量和替換測試判斷驅動電源與燈板故障。
在保證安全的前提下檢查輸入端、驅動輸出、燈板連線和燈珠串。
透過外觀、二極體擋和分段測試定位失效燈珠，評估更換或整板替換。
檢查帶指示燈開關、零火線接法、智慧開關漏電流和線路感應電壓。
車內氛圍燈、腳窩燈、門板燈與控制器
按保險、取電點、搭鐵、控制器和分支接頭檢查車載氛圍燈間歇故障。
使用分支隔離和電阻檢查定位正極短路、接反或線束磨破。
使用純色測試區分線序錯誤、接頭反插、燈條批次差異和壓降。
確認ACC供電、手機許可權、控制器佔用和掃描方式。
按車輛取電點、保險、搭鐵、控制器輸入和分支輸出逐項判斷，避免直接更換整套燈。
判斷取電點是否為常電、車輛是否處於延時斷電，以及控制器是否在待機而非真正關閉。
比較ACC和發動機執行狀態的輸入電壓，判斷啟動瞬間壓降、搭鐵不良或控制器抗干擾不足。
對比正常車門，檢查分配器埠、門板插頭、膠套活動線束和燈條本體。
透過車輛資料、保險位狀態對比和機械檢查選擇隨鑰匙上電的取電點與低電阻搭鐵點。
檢查LED光源是否正對導光條端面、導光條是否受損，以及長度和彎曲半徑是否超出適用範圍。
聖誕樹燈、煙花燈、窗簾燈與串燈
區分低壓LED串燈與可更換燈泡燈串，定位鬆動燈泡、斷線和分段保險。
判斷按鍵、遙控、控制器輸出和燈串分支是否正常。
檢查插頭、控制盒、接頭和燈串外皮，決定乾燥、修復或報廢。
先區分低壓介面卡燈串與市電插頭燈串，再沿輸入端、保險、控制盒和燈串首端定位斷電位置。
用遮擋光伏板、清潔板面和更換可充電電池的方法，判斷光敏開關、電池衰減還是線路故障。
從不亮列的頂部連線點向下檢查分支導線、燈珠節點和公共迴路線，避免拆錯相鄰列。
利用分段彎折、通斷對比和放大觀察定位細銅線斷點，並正確去除漆膜後焊接絕緣。
確認模式鍵是否接觸不良、遙控是否真正發碼，以及控制盒是否只剩固定輸出。
確認充電頭是否提供穩定5V、USB插頭是否鬆動，以及電池盒/控制器到燈串首端是否斷線。
電視背光燈帶、同步盒與攝像頭方案
區分攝像頭采色方案與HDMI同步盒，檢查校準、訊號源和延遲。
判斷USB口供電能力、待機斷電邏輯和燈帶實際功率，選擇獨立電源。
先判斷電視USB是否供電，再檢查獨立介面卡、控制盒指示、接頭方向和燈帶首段。
區分電視待機供電、快速啟動、同步盒訊號檢測和控制器自動關燈邏輯。
確認燈帶起點、順逆時針方向、螢幕分割槽順序和App映象設定。
透過清潔鏡頭、降低環境反光、重新標定螢幕邊界和調整飽和度改善采色偏差。
用最小連線鏈路逐項測試輸入源、HDMI線、同步盒輸出和顯示格式相容。
根據電視實際背板寬高和三邊/四邊方案計算周長，並預留轉角、介面和不可裁剪畫素段。
育苗燈、補光燈、植物燈板與定時系統
檢查散熱片、風扇、驅動電流和燈珠熱損傷，避免繼續過熱執行。
透過網格測量和觀察冠層差異調整燈距、角度和多燈重疊。
檢查定時器模式、時區、斷電記憶和繼電器負載能力。
先排除智慧插座和定時器，再檢查外部電源線、驅動指示和低壓輸出連線。
透過觀察不亮形狀、比較通道和熱損傷，判斷單顆燈珠開路、分割槽連線或驅動通道問題。
先判斷風扇是否按溫度啟動，再檢查堵轉、插頭、額定電壓和控制板輸出。
記錄冷機到熄滅時間，改善散熱並排除定時控制，判斷驅動熱保護還是燈板過載。
使用插座功率計測量輸入功率、累計電量和功率因數，並區分標稱LED功率與牆端實際功率。
透過覆蓋網格、中心/邊緣對比和植物反應逐步調整高度，而不是隻按單一推薦距離。
智慧燈泡、開關、閘道器、語音與場景聯動
按供電、無線網路、閘道器距離、路由器設定和裝置韌體逐項排查。
判斷無零線開關漏電流、最小負載和調光協議不相容。
檢查賬號繫結、裝置命名、房間衝突和雲端同步。
確認燈泡持續有電、傳統牆壁開關未調光，並按產品規定的開關節奏執行復位。
確認手機和燈具處於2.4GHz覆蓋，關閉不相容的網路隔離，並檢查App本地網路和位置許可權。
識別無零線開關維持供電所需的小電流，並判斷燈具相容、旁路器安裝或改用有零線方案。
在斷電和驗電前提下核對端子定義，檢查把零線誤接負載、線頭碰殼和負載過流等問題。
核對家庭位置、時區、觸發偏移、有效日期和裝置線上狀態，並檢視自動化執行記錄。
設定燈具的上電行為為保持關閉、恢復上次狀態或自定義亮度，並驗證牆壁開關和自動化衝突。
介面卡、驅動、控制器、線材和檢測工具
根據額定電壓、單位功率和長度計算電源與控制器容量。
掌握直流電壓擋、通斷擋和安全測量順序。
透過固定色指令測量各輸出通道，判斷控制器、線序或燈帶故障。
用電流和單程距離評估線徑，避免發熱、尾端變暗和控制器重啟。
識別過載、接觸電阻、散熱不良和電源故障，判斷是否需要報廢。
