HKRepair999

可能原因： 電源插頭鬆脫、保險絲燒斷、電源開關故障、電機燒毀
自行處理： 檢查電源插頭是否插緊、更換保險絲、確認開關是否正常、如仍不啟動請聯繫維修

Possible causes: Loose power plug, blown fuse, faulty power switch, burned motor
Self-treatment: Check power plug, replace fuse, verify switch, contact repair if still not working

可能原因： 電容損壞、電機卡死、風輪被油垢卡住、控制電路故障
自行處理： 關閉電源後清理風輪油垢、檢查電線連接、如仍不轉需更換電容或維修電機

Possible causes: Damaged capacitor, stuck motor, oil buildup on fan wheel, control circuit fault
Self-treatment: Clean fan wheel, check wiring, replace capacitor or repair motor if needed

可能原因： 風輪不平衡、電機軸承磨損、零件鬆動、安裝不牢固
自行處理： 檢查安裝螺絲是否鬆動、清理風輪異物、如仍有噪音需更換軸承或校正風輪

Possible causes: Unbalanced fan wheel, worn motor bearings, loose parts, insecure installation
Self-treatment: Check mounting screws, clean fan wheel, replace bearings or calibrate fan if needed

可能原因： 油網堵塞、風輪油垢過多、排風管堵塞、電機功率下降
自行處理： 清洗油網和風輪、檢查排風管是否暢通、更換堵塞的濾網

Possible causes: Clogged oil net, excessive oil on fan wheel, blocked exhaust pipe, reduced motor power
Self-treatment: Clean oil net and fan wheel, check exhaust pipe, replace clogged filter

可能原因： 止回閥故障、排風管安裝不當、公共煙道壓力大、風向影響
自行處理： 檢查止回閥是否靈活、安裝防倒灌閥、調整排風管角度

Possible causes: Faulty check valve, improper exhaust pipe installation, high public flue pressure, wind direction
Self-treatment: Check check valve, install anti-backflow valve, adjust exhaust pipe angle