故障原因：電源線斷裂、保險絲燒毀、開關損壞、馬達過熱保護鎖定、主板供電故障
簡單自查：更換插座測試、檢查電源插頭是否鬆脫、清理機身散熱口等待30分鐘再開機
維修更換零件：電源線、溫度保險絲、電源開關、驅動主板、馬達

Cause: Broken power cord, blown fuse, damaged power switch, motor overheat lock, mainboard power failure
Self-check: Test another socket, check loose plug, clean vent & wait 30 mins
Replace Parts: Power cord, thermal fuse, power switch, main PCB, motor

故障原因：馬達碳刷磨損、刀盤卡滿殘粉、傳動齒輪磨損、電容衰減
自查：徹底拆解清潔上下刀盤殘粉，觀察齒輪是否缺齒
維修零件：馬達碳刷、啟動電容、傳動齒輪、磨豆刀盤

Cause: Worn motor carbon brush, burr clogged by coffee powder, damaged gear, degraded capacitor
Self-check: Fully clean burrs, inspect broken gear teeth
Parts: Carbon brush, start capacitor, drive gear, burr set

成因：刀盤變形、螺絲鬆脫、金屬異物掉入研磨倉、軸承磨損
自查：關機斷電拆開檢查是否有鐵釘、咖啡包鋁箔殘留
零件：磨豆刀盤、軸承、固定螺絲墊片

Cause: Bent burr, loose screw, metal foreign object, worn bearing
Self-check: Power off & check metal debris inside burr chamber
Parts: Burr set, bearing, fixing screw washer

成因：出粉通道油垢堵塞、刀盤間距過大、導粉膠圈老化黏粉
自查：拆洗出粉口、調細研磨刻度、熱水沖洗導粉槽
零件：導粉膠圈、出粉嘴、調節刻度環

Cause: Oil clog outlet, too wide burr gap, aged rubber chute stuck powder
Self-check: Clean outlet, turn finer grind setting, wash chute with warm water
Parts: Rubber chute, powder spout, grind adjustment ring

成因：刀盤鈍化缺齒、刀盤安裝傾斜、固定底座變形
自查：對比全新咖啡豆研磨樣本，觀察刀盤刃口磨損程度
零件：替換全套上下磨豆刀盤、刀盤固定座

Cause: Dull damaged burr, tilted burr installation, deformed base
Self-check: Compare grind sample, check worn burr edge
Parts: Full burr set, burr holder base

成因：馬達過熱保護、主板溫控故障、線路短路、插座電壓不穩
自查：連續研磨不超過3分鐘，清理機身散熱孔
零件：溫控感應器、驅動主板、內部線束、散熱風扇

Cause: Motor overheat protection, faulty thermal sensor, short circuit, unstable voltage
Self-check: Do not grind over 3 mins continuously, clean vent
Parts: Thermal sensor, main PCB, internal wiring, cooling fan

成因：咖啡油脂凝固卡緊齒環、調節螺絲生鏽、塑膠齒輪斷齒
自查：使用咖啡清潔片運轉後嘗試轉動旋鈕
零件：調節齒環、塑膠轉動齒輪、潤滑軸套

Cause: Solidified coffee oil lock ring, rust screw, broken plastic gear
Self-check: Run grinder cleaner tablet then turn knob
Parts: Adjust gear ring, plastic drive gear, lubricant sleeve

成因：豆倉底擋片彈簧疲軟、膠墊老化、豆倉安裝不到位
自查：拆卸豆倉重新卡緊，檢查底層密封膠圈
零件：豆倉彈簧、密封膠墊、擋豆閥片

Cause: Weak hopper shutter spring, aged rubber seal, loose hopper mount
Self-check: Reinstall hopper tightly, inspect bottom rubber ring
Parts: Hopper spring, rubber seal, bean shutter flap

成因：出粉嘴膠圈破損、靜電累積、導粉通道間隙過大
自查：使用除靜電清潔刷擦拭通道，檢查膠圈是否裂開
零件：防飛粉膠嘴、靜電消除墊、密封膠圈

Cause: Broken outlet rubber ring, static build-up, wide chute gap
Self-check: Wipe chute with anti-static brush, check cracked rubber
Parts: Anti-splash rubber spout, static pad, sealing ring

成因：定量感應光電頭積粉髒污、計時主板故障、出粉閥卡滯
自查：酒精擦拭光電感應器，重置機器出粉參數
零件：光電感應模組、計時控制主板、出粉電磁閥

Cause: Dusty optical dose sensor, faulty timer PCB, stuck dose valve
Self-check: Wipe sensor with alcohol, reset dose parameter
Parts: Optical sensor, timer control board, dose solenoid valve

成因：馬達線圈過熱燒損、殘粉長時間烘烤、塑膠齒輪摩擦融化
自查：立即停止使用避免短路起火，完全清空研磨殘粉
零件：馬達總成、塑膠傳動齒輪、散熱風扇

Cause: Burnt motor coil, long-term baked residual powder, melted plastic gear
Self-check: Stop use immediately to avoid fire hazard, fully clean residual powder
Parts: Full motor assembly, plastic drive gear, cooling fan

成因：內部線路絕緣層破損、電源接地失效、水氣滲入機芯
自查：禁止繼續使用，拔插頭乾燥機身24小時再測試
零件：內部絕緣線束、接地端子、防水膠墊

Cause: Damaged wire insulation, broken earth wire, water vapor inside core
Self-check: Stop using immediately, unplug & dry machine for 24hrs
Parts: Insulated wiring, earth terminal, waterproof rubber pad

成因：豆倉感應彈簧片氧化、磁鐵感應器移位、接觸點積粉
自查：擦拭機身感應金屬觸點，重新卡緊豆倉
零件：豆倉感應彈片、霍爾感應磁鐵模組

Cause: Oxidized hopper contact spring, shifted magnetic sensor, dusty contact
Self-check: Wipe metal contact, reinstall hopper firmly
Parts: Hopper contact spring, hall magnetic sensor module

成因：機內濕氣重、導粉膠圈沾滿咖啡油脂、刀盤殘粉堆積
自查：每日使用完用清潔片空磨一次，放置乾燥環境
零件：導粉橡膠管、防靜電出粉嘴

Cause: Internal moisture, oil clogged rubber chute, residual powder stack
Self-check: Run grinder cleaner daily, store in dry space
Parts: Rubber powder chute, anti-static spout

成因：控制面板排線鬆脫、LCD驅動板故障、按鍵薄膜開關老化
自查：斷電5分鐘重置機器，輕按所有按鍵測試
零件：LCD顯示面板、薄膜按鍵板、連接排線

Cause: Loose LCD ribbon cable, faulty driver board, aged membrane button
Self-check: Power off 5 mins to reset, test all buttons
Parts: LCD display panel, membrane keypad, ribbon cable

成因：香港高濕環境水氣氧化金屬部件、缺乏定期保養潤滑
自查：使用食品級潤滑油輕轉軸承，清除表面銹跡
零件：替換生鏽刀盤、軸承、傳動主軸

Cause: High Hong Kong humidity metal oxidation, lack regular lubrication
Self-check: Apply food-safe lubricant to bearing, remove surface rust
Parts: Rust-free burr set, bearing, main drive shaft

成因：散熱風扇損壞、通風口被咖啡粉堵塞、馬達老化功率衰減
自查：關機靜置40分鐘降溫，清理散熱孔殘粉
零件：散熱風扇、馬達總成、散熱金屬片

Cause: Broken cooling fan, vent clogged powder, aged low-power motor
Self-check: Power off & cool 40 mins, clean vent dust
Parts: Cooling fan, full motor, heat sink metal plate

成因：刀盤鈍化、機內積存陳年咖啡油垢、密封失效受潮
自查：全機拆解深度清潔，更換全新刀盤測試風味
保養耗材：咖啡清潔片、食品級除油劑、全新磨豆刀盤

Cause: Dull burr, old coffee oil residue, moisture leak seal
Self-check: Full deep clean, test new burr set
Maintenance Supplies: Grinder cleaner tablet, food-safe degreaser, new burr set

成因：手搖齒輪磨損、主軸生鏽、刀盤卡硬咖啡豆/異物
自查：反向輕轉釋放卡阻，拆解清潔軸芯
零件：替換金屬傳動齒輪、手搖柄軸套、整套刀盤

Cause: Worn hand crank gear, rust spindle, hard bean jam burr
Self-check: Reverse crank gently to release jam, clean spindle core
Parts: Metal drive gear, crank sleeve, full burr set

日常保養：1.每日用完清潔出粉通道；2.每週使用清潔片空磨5分鐘；3.每月拆解刀盤除油垢；4.梅雨季放置乾燥劑防生鏽；5.商用機每3-6個月更換刀盤
專業保養服務：本店提供全機拆解除鏽、潤滑、刀盤校正、線路檢測一站式保養

Daily Maintenance:1.Clean powder chute daily;2.Run cleaner