故障原因：電源線斷裂、開關燒毀、保險絲熔斷、馬達燒壞、主板故障。檢查方法：更換插座測試、檢查線材外觀；需維修：更換開關、保險絲、驅動主板或整組馬達。

Causes: Broken power cord, faulty power switch, blown fuse, burnt motor, mainboard error. Self-check: Test another socket, inspect wire damage. Repair: Replace switch, fuse, mainboard or motor assembly.

故障原因：傳動齒輪磨損斷裂、皮帶脫落、馬達軸心卡滯、磨豆通道卡滿咖啡粉堵塞。維修：更換齒輪組、傳動皮帶、清理卡粉積垢。

Causes: Worn broken drive gear, fallen belt, jammed motor shaft, coffee powder blockage. Repair: Replace gear set / belt, deep clean grinding chamber.

故障原因：研磨腔長期積油結塊堵塞、磨盤間距過大、出粉口卡殘渣、防靜電膠片脫落。保養維修：全機拆解深度除油清洗、調校磨盤間距、更換靜電片。

Causes: Oily coffee blockage inside chamber, too wide burr gap, clogged outlet, missing anti-static sheet. Maintenance: Full deep degrease cleaning, calibrate burr gap, replace static sheet.

故障原因：磨盤變形崩齒、上下磨盤不平衡、軸心搖晃、固定螺絲鬆動。維修：研磨盤拋光修復或直接更換整套刀盤，校正軸心固定支架。

Causes: Damaged burr teeth, unbalanced burr set, wobbly shaft, loose fixing screws. Repair: Polish or replace full burr set, re-align shaft bracket.

故障原因：防靜電墊老化脫落、出粉通道乾燥、室內濕度太低、磨盤金屬氧化。保養：安裝新靜電膠片、機體潤滑除氧化、定期清潔油垢。

Causes: Worn anti-static pad, dry outlet channel, low humidity, oxidized metal burrs. Maintenance: Install new static pad, lubricate & deoxidize burrs, regular cleaning.

故障原因：咖啡豆內混入金屬異物撞擊刀盤、軸承磨損、齒輪缺油、磨盤螺絲鬆動。維修：拆解取出異物、更換軸承、齒輪上專用潤滑油、鎖緊固定件。

Causes: Metal foreign objects inside beans, worn bearing, dry gears, loose burr screws. Repair: Remove foreign debris, replace bearing, lubricate gears, fasten loose parts.

故障原因：調節齒條斷齒、旋鈕卡扣磨損、調校螺絲滑牙。維修：更換調節模組、修復齒條或替換全新旋鈕總成。

Causes: Broken adjustment rack, worn knob buckle, stripped thread screw. Repair: Replace adjustment module, repair rack or full knob assembly.

故障原因：商用機連續長時間運作、散熱孔堵塞、馬達老化內阻升高、溫度感應器故障。維修：清理散熱通道、更換老化馬達、替換溫控感測元件。

Causes: Long continuous commercial use, blocked vent, aging motor, faulty temperature sensor. Repair: Clear vents, replace worn motor & thermal sensor.

故障原因：密封膠圈老化硬化、機殼卡扣斷裂、磨盤外殼縫隙變大。維修：更換全套密封墊圈、修復機殼卡扣、校正外殼密合度。

Causes: Hardened aged rubber seal, broken casing clip, widened burr housing gap. Repair: Replace full rubber seals, repair clips, re-align casing tightness.

故障原因：定量感應器髒污、計時主板參數偏移、出粉口殘粉累積、電磁閥卡滯。維修：感應器除垢清潔、重校定量參數、更換計時控制板。

Causes: Dirty dose sensor, offset timer mainboard, powder residue blockage, stuck solenoid valve. Repair: Clean sensor, recalibrate dosage, replace timer board.

故障原因：蓋子感應彈片彈性疲乏、光感元件髒污、連接線脫落。維修：更換感應彈片、擦拭光學感應器、重新焊好接線。

Causes: Weak lid spring sensor, dirty optical sensor, loose wiring. Repair: Replace sensor spring, clean optical lens, re-solder loose cables.

故障原因：刀盤生鏽、內部積油長期氧化、傳動金屬零件磨損金屬碎屑混入粉中。保養：全機拆解除鏽拋光、食品級潤滑、定期深度清洗。

Causes: Rusted burrs, oxidized oily residue, metal debris from worn gears. Maintenance: Full disassembly rust removal, food-grade lubrication, deep regular cleaning.

故障原因：咖啡豆油脂黏結、攪拌撥片斷裂、下料通道收窄積垢。維修：拆解豆倉除油清洗、更換塑膠撥豆葉片、打磨下料通道。

Causes: Oily beans clump together, broken stir paddle, narrow clogged feeding chute. Repair: Degrease hopper, replace paddle blade, polish feeding channel.

故障原因：面板受潮短路、觸控IC燒毀、排線氧化斷路。維修：烘乾機身除濕、更換觸控面板總成、重接排線。

Causes: Moisture short circuit, burnt touch IC, oxidized flat cable. Repair: Dehumidify machine, replace full touch panel, reattach flat cable.

故障原因：閥門積咖啡油垢、彈簧疲乏、線圈燒毀。維修：拆解清洗閥組、更換彈簧或整組電磁閥。

Causes: Oily residue stuck valve, weak spring, burnt coil. Repair: Disassemble clean valve unit, replace spring or full solenoid valve.

故障原因：馬達軸心不平衡、防滑腳墊脫落、磨盤固定不平衡、底座內配重脫落。維修：替換防滑墊、校正馬達平衡、加固底座配重。

Causes: Unbalanced motor shaft, missing anti-slip feet, uneven burr mount, loose base weight. Repair: New rubber feet, rebalance motor, secure base weight.

故障原因：刀盤材質劣化、長期研磨深烘焙高油咖啡豆、內部金屬雜質刮傷齒刃。保養：定期拋光刀盤、更換高硬度進口磨盤、每兩周清潔一次。

Causes: Low-grade burr alloy, heavy oily dark roast beans, metal scratch damage. Maintenance: Regular burr polishing, upgrade hard alloy burrs, bi-weekly full cleaning.

故障原因：鋰電池老化膨脹、充電板IC故障、充電接口鬆動。維修：更換全新鋰電池模組、維修充電接口與充電主板。

Causes: Aged swollen lithium battery, faulty charging IC, loose charging port. Repair: Replace lithium battery pack, repair port & charging board.

故障原因：防水膠圈破裂、杯具潑水滲入主板、電子元件短路燒毀。維修：斷電烘乾除水、清洗主板腐蝕銅跡、替換燒毀晶片與密封墊。

Causes: Cracked waterproof seal, water short circuit mainboard, burnt electronic parts. Repair: Dry & clean corroded PCB, replace damaged chips & rubber seals.

故障原因：內部咖啡油脂乾硬凝固、軸承生鏽卡死、齒輪無潤滑膠合。保養維修：全機拆解浸泡除油、軸承除鏽上油、手動釋放卡滯磨盤。

Causes: Hardened dried coffee oil, rusted seized bearing, dry glued gears. Maintenance: Full disassembly degrease, rust removal & lubrication, manually release jammed burrs.