故障現象

Fault Symptom

通電無燈光、無蜂鳴、風扇完全不啟動

No LED light, no buzzer alert, fan cannot start at all

故障成因

Root Cause

插座斷電/插頭鬆脫、機內保險絲熔斷、電源線斷路、主控板供電電容擊穿、地線漏電保護跳閘

Dead socket, loose plug, blown internal fuse, broken power cord, burnt mainboard capacitor, earth leakage tripped

用戶自檢

Self-Check Steps

更換插座測試；檢查廚房空氣開關；拆機頂接線盒查看電源線是否發黑斷裂

Test another power socket; check kitchen circuit breaker; open top wiring box for burnt broken wiring

維修替換零件

Replacement Spare Parts

電源線、保險管、主控電路板、降壓電容

Power cord, fuse tube, main control board, step-down capacitor

故障現象

觸控無回饋、按鍵錯亂、僅單一檔位可用、屏幕黑屏

Fault Symptom

No touch feedback, mixed function error, only single speed works, blank display

故障成因

面板油污滲入短路、觸控晶片損壞、排線鬆脫氧化、電壓衝擊燒毀面板

Root Cause

Oil penetration short circuit, damaged touch IC, loose oxidized ribbon cable, voltage surge burn panel

用戶自檢

酒精擦拭面板油污；斷電靜置5分鐘復位；重新插緊內部排線

Self-Check Steps

Clean panel oil with alcohol; power off 5 mins reset; reattach internal ribbon cable

維修替換零件

觸控面板總成、排線、主控板

Replacement Spare Parts

Touch panel assembly, ribbon cable, main control board

故障現象

按鍵通電有聲，電機悶響，扇葉卡死無法轉動

Fault Symptom

Buzzer sound when powered, motor dull hum, impeller fully locked

故障成因

啟動電容容量衰減擊穿、電機軸承油污卡死、風輪纏繞塑膠/金屬異物、電機繞組斷路

Root Cause

Degraded starting capacitor, oil jammed bearing, plastic/metal foreign object wrapped wheel, open motor winding

用戶自檢

斷電手動撥動風輪，撥動卡滯=異物/軸承；順滑則為電容損壞

Self-Check Steps

Manually spin wheel after power cut; stuck = foreign object/bearing; smooth rotation = broken capacitor

維修替換零件

電機啟動電容、風機電機總成

Replacement Spare Parts

Fan starting capacitor, full blower motor assembly