自行處理方法：

Self-treatment method:

• 檢查電源插座是否正常供電
• 查看電源開關是否損壞
• 檢查保險絲是否燒斷
• 確認電源線是否插緊

• Check if the power socket is supplying electricity normally
• Check if the power switch is damaged
• Check if the fuse is blown
• Ensure the power cord is plugged in securely

自行處理方法：

Self-treatment method:

• 檢查電容是否損壞（更換同型號電容）
• 清除風輪上的油污積累
• 檢查電機是否卡死
• 確認控制板是否故障

• Check if the capacitor is damaged (replace with same model)
• Remove oil accumulation on the fan wheel
• Check if the motor is stuck
• Confirm if the control panel is faulty

自行處理方法：

Self-treatment method:

• 檢查風輪是否變形或不平衡
• 緊固鬆動的螺絲和配件
• 清潔風輪積油減少震動
• 檢查電機軸承是否磨損

• Check if fan wheel is deformed or unbalanced
• Tighten loose screws and accessories
• Clean fan wheel oil accumulation to reduce vibration
• Check if motor bearings are worn

自行處理方法：

Self-treatment method:

• 深度清潔濾油網和風輪
• 檢查排風管道是否堵塞
• 確認止回閥是否卡住
• 檢查電機功率是否下降

• Deep clean oil filter and fan wheel
• Check if exhaust pipe is blocked
• Confirm if check valve is stuck
• Check if motor power has decreased

自行處理方法：

Self-treatment method:

• 更換或維修止回閥/防倒灌閥
• 檢查排風管道安裝是否正確
• 增加管道密封性
• 確認公共煙道壓力是否過大

• Replace or repair check valve/anti-backflow valve
• Check if exhaust pipe installation is correct
• Improve pipe sealing
• Confirm if public flue pressure is too high

自行處理方法：

Self-treatment method:

• 清潔油杯並確保安裝到位
• 更換老化的密封膠條
• 檢查接油槽是否破裂
• 重新安裝傾斜的機身

• Clean oil cup and ensure proper installation
• Replace aging sealing strips
• Check if oil receiving tray is cracked
• Reinstall tilted body