成因：刀盤磨損、刀盤偏移、調節螺絲鬆動、內部殘粉積垢；解決方案：拆機清潔積粉、校正刀盤、磨損嚴重需更換進口刀盤，1Zpresso手搖磨常見螺絲鬆動導致偏移。

Cause: Worn burr, misaligned burr, loose adjustment screw, coffee residue buildup. Fix: Deep clean, re-align burr, replace worn burr if needed, loose screw is common for 1Zpresso.

成因：電源線斷裂、開關損壞、馬達燒毀、溫度保護跳脫；維修：檢查線路、更換電源開關、重繞或替換原廠馬達。

Cause: Broken power cord, faulty switch, burnt motor, thermal protection tripped. Repair: Rewire, replace switch, original motor replacement.

成因：刀盤互相碰撞、金屬雜質掉入刀盤、軸承磨損、固定軸彎曲；必須立即停機避免刀盤碎裂，拆機清理雜質、更換軸承或校正轉軸。

Cause: Burr collision, metal debris, worn bearing, bent shaft. Stop using immediately, clean debris, replace bearing or straighten shaft.

常見1Zpresso故障：內部殘粉結油垢、調節環卡死、滾珠軸承生鏽、刀盤夾豆；維修：全機拆解超音波清洗軸承與刀盤，潤滑軸承、替換生鏽零件。

1Zpresso common issue: Coffee oil buildup, stuck adjustment ring, rusted ball bearing, beans jammed between burrs. Repair: Full ultrasonic clean, lubricate bearing, replace rusted parts.

成因：防粉膠圈老化破裂、接縫變形、出粉口磨損；更換全新密封膠圈、打磨修復出粉通道。

Cause: Worn sealing ring, deformed joint, damaged outlet. Replace rubber seal, repair powder outlet channel.

故障：調節齒輪崩齒、螺紋滑牙、彈簧脫落；商用機與1Zpresso手搖磨皆常見，更換調節齒輪組、重製螺紋結構。

Fault: Broken adjustment gear, stripped thread, detached spring. Common for commercial & 1Zpresso grinders, replace gear set & rethread structure.

成因：刀盤鈍化、馬達動力衰退、內部積粉阻礙出粉；保養研磨盤、清潔機芯，馬達老化需更換。

Cause: Dull burr, weak motor, clogged powder residue. Sharpen/maintain burr, deep clean core, replace aged motor.

咖啡豆油脂長期累積結塊阻塞通道，定期深度拆解清洗；嚴重結垢會腐蝕塑膠通道，需替換出粉通道零件。

Coffee oil buildup clogs channel, full disassembly cleaning required. Severe clogging may corrode plastic outlet, replace channel part.

刀盤嚴重磨損脫屑、軸承磨損掉金屬粉；不可繼續沖煮咖啡，立即更換刀盤與軸承。

Severely worn burr shedding metal, worn bearing dust. Stop brewing coffee immediately, replace burr & bearing set.

馬達過熱保護、風道堵塞散熱不良、溫度感應器故障；清理散熱孔、更換熱感應元件，商用機建議減少連續研磨時長。

Motor overheat protection, blocked ventilation, faulty thermal sensor. Clean vent, replace sensor, limit continuous grinding for commercial units.

卡扣斷裂、蓋子膠墊老化、豆倉本體變形；更換卡扣與密封墊，變形豆倉需替換全新料倉。

Broken clip, aged lid rubber pad, deformed hopper. Replace clip & seal pad, replace whole hopper if deformed.

1Zpresso、泰摩、漢匠手搖磨高發故障，傳動軸螺紋磨損；修復螺紋或替換傳動軸總成。

Common fault for 1Zpresso, Timemore, Hanjiang. Worn drive shaft thread; rethread or replace full drive shaft assembly.

長期未深度清潔，咖啡油脂氧化酸敗；標準保養流程：全機拆解、超音波清洗刀盤、軸承、通道，清除陳年油垢。

Oxidized coffee oil from lack of deep cleaning. Standard maintenance: Full disassembly & ultrasonic clean for burr, bearing & channel.

計時模組故障、定量齒輪卡粉、感應光電頭髒汙；校正定量參數、清潔光電感應器、更換計時電路板。

Faulty timer module, clogged dosing gear, dirty optical sensor. Calibrate dose, clean sensor, replace timer PCB board.

潮濕環境（香港梅雨季）長期積水氣，軸承、刀座最易生鏽；除鏽拋光、防鏽潤滑，嚴重生鏽零件直接替換。

Humid HK rainy season causes rust on bearing & burr holder. Derust & polish with anti-rust lubricant, replace heavily rusted parts.

咖啡粉滲入開關內部造成卡滯、彈簧疲勞；拆解清潔開關機構，彈簧損壞則更換全新電源開關。

Coffee powder stuck inside switch, worn spring. Disassemble & clean switch, replace whole switch if spring broken.