故障成因：電源線斷裂、保險絲燒毀、電源開關損壞、主板電路燒壞、馬達線圈燒毀。檢查流程：先測插座供電，拆解檢查線路與保險，更換開關或維修電路板，馬達燒毀需替換全新馬達。

Cause: Broken power cord, blown fuse, faulty power switch, burnt mainboard, burned motor coil. Inspection: Test wall socket first, disassemble check wiring & fuse, replace switch or repair PCB, full motor replacement if coil damaged.

故障成因：粉道嚴重咖啡油垢堵塞、刀盤之間卡硬豆異物、齒輪脫齒、傳動軸脫離。處理方式：全拆解清潔粉道，取出異物，更換磨損齒輪，重裝固定傳動軸。

Cause: Chute clogged by coffee grease, foreign object stuck between burr, stripped gear, disconnected drive shaft. Fix: Full disassembly chute clean, remove blockage, replace worn gear, re-fix drive shaft.

故障成因：刀盤嚴重磨損變鈍、上下刀盤安裝偏移、調節座鬆動、粉道殘粉堆積干擾出粉。維修方案：更換全新刀盤，重新校正刀盤位置，鎖緊調節座，深度清潔機身。

Cause: Worn dull burr, misaligned burr, loose adjustment ring, residual powder block chute. Repair: New burr replacement, re-calibrate burr alignment, tighten adjuster, full deep clean.

故障成因：金屬碎片卡入刀盤、軸承缺油磨損、馬達固定支架鬆動、齒輪崩齒。處理：清除金屬異物，軸承潤滑或替換，加固機內固定支架，更換損壞傳動齒輪。

Cause: Metal debris trapped in burr, dry worn bearing, loose motor bracket, broken gear tooth. Solution: Remove metal foreign body, lubricate/replace bearing, fasten motor mount, change damaged gear.

故障成因：粉倉密封圈老化硬化、出粉口膠圈破損、刀盤間隙調節過大、粉道接縫變形。維修：替換全部密封膠圈，校正研磨間隙，整形或更換出粉通道。

Cause: Aged hopper seal, broken chute rubber ring, over-wide burr gap, deformed chute joint. Repair: Replace all rubber seals, calibrate burr gap, reshape or change powder chute.

故障成因：刻度螺紋積滿咖啡油垢、調節螺絲滑牙、調節座彈簧脫落、手搖Lido系列轉軸螺絲鬆脫。處理：拆解清潔螺紋，替換滑牙螺絲，重裝彈簧，鎖緊Lido轉軸固定螺絲。

Cause: Coffee grease clog adjustment thread, stripped adjust screw, fallen spring, loose Lido series shaft screw. Fix: Disassemble clean thread, replace stripped screw, reinstall spring, fasten Lido shaft bolt.

故障成因：馬達過熱保護啟動、散熱通道堵塞、馬達內線圈老化短路、溫度感應器故障。維修：清潔散熱風道，檢測馬達絕緣，更換溫控感應器，老化馬達直接更換。

Cause: Motor overheat protection triggered, blocked cooling vent, aging short coil, faulty temperature sensor. Repair: Clean cooling duct, test motor insulation, replace thermostat sensor, full motor swap if aged.

Lido專屬故障：轉軸軸承乾燥缺潤滑、刀盤殘粉結垢、內部螺絲過緊、刀盤輕微變形。保養維修：拆解全機清潔，專用食品級潤滑油保養軸承，校正刀盤間隙。

Lido exclusive fault: Dry unlubricated shaft bearing, caked residual coffee, over-tight internal screw, slight burr deformation. Maintenance: Full disassembly clean, food-grade bearing lubrication, re-calibrate burr gap.

成因：轉軸固定螺母鬆動、墊片磨損缺失、軸承磨耗產生遊隙。維修：補充磨損墊片，鎖緊固定螺母，更換老化軸承消除晃動。

Cause: Loose shaft lock nut, missing worn washer, bearing clearance wear. Repair: Add replacement washer, fasten lock nut, swap worn bearing to eliminate wobble.

成因：刀盤嚴重磨損、軸承金屬碎屑脫落、機內金屬零件生鏽。處理：立刻停用，更換全套全新刀盤，替換生鏽軸承，全機除鏽清潔。

Cause: Heavily worn burr, falling bearing metal debris, rusted internal metal parts. Fix: Stop using immediately, full new burr set replacement, swap rust bearing, full machine rust removal clean.

成因：計時模塊電路故障、出粉閥門卡粉、光感計量器髒污、電位器老化。維修：清潔計量感應頭，維修或替換計時主板，清理卡滯出粉閥。

Cause: Fault timer PCB, dosing valve clogged, dirty optical sensor, aged potentiometer. Repair: Clean sensor lens, repair/replace timer board, unclog dosing valve.

成因：卡扣彈簧疲勞斷裂、塑膠卡扣斷裂、蓋子合頁變形。維修：替換彈簧或全新粉倉蓋，修復塑膠卡扣結構。

Cause: Fatigued/broken latch spring, cracked plastic clip, deformed lid hinge. Repair: Replace spring or full hopper lid, reconstruct broken plastic clip.

成因：長期累積咖啡油脂氧化發霉、粉道死角藏舊粉。保養維修：全拆解深度除油清潔，消毒機內所有接觸咖啡部件，建議商用機每1-2個月保養一次。

Cause: Oxidized moldy coffee grease buildup, stale powder trapped in chute dead corner. Maintenance: Full disassembly degrease deep clean & sanitize all coffee contact parts, commercial machine maintenance every 1-2 months recommended.

成因：按鈕內部積油、微動開關燒毀、按鍵塑膠斷裂。維修：拆解清潔按鈕模塊，替換微動開關，斷裂按鍵直接更換配件。

Cause: Grease clogged button, burnt microswitch, cracked button plastic. Repair: Disassemble clean button module, swap microswitch, full button replacement if cracked.

Lido專屬維修：螺絲孔金屬牙磨損，採用牙套修復內螺紋，替換配套專用固定螺絲，恢復底座穩固性。

Lido exclusive fix: Thread insert repair for stripped hole, match original replacement screw, restore base stability.

成因：馬達轉速衰減、刀盤鈍化阻力上升、粉道半堵塞、電壓供電不足。維修：清潔疏通粉道，替換磨損刀盤，檢測馬達輸出功率，老化馬達更換。

Cause: Degraded motor RPM, dull burr high resistance, partially clogged chute, insufficient power voltage. Repair: Clear chute blockage, replace worn burr, test motor output, swap aged motor unit.

維修方案：專用工業膠水修復裂紋，嚴重損壞直接替換原廠外殼配件，補齊缺失支撐腳墊防滑墊。

Repair plan: Industrial adhesive crack repair, full OEM housing replacement for severe damage, replenish missing anti-slip foot pads.

成因：防滑腳墊脫落、馬達偏心失衡、刀盤安裝不平衡、桌面不平。處理：更換防滑墊，重新校正刀盤平衡，加固馬達固定支架。

Cause: Lost anti-slip pad, unbalanced eccentric motor, misaligned burr, uneven table surface. Fix: New non-slip pads, rebalance burr, fasten loose motor bracket.

處理：全機拆解除鏽拋光，生鏽嚴重軸承、刀盤直接替換，完成潤滑保養後測試研磨功能。

Solution: Full disassembly rust removal polishing, full replacement for heavily rusted burr & bearing, lubricate & test grind function after maintenance.

保養知識：1.每日清空粉道殘粉；2.每週拆解清潔刀盤油脂；3.商用機每月深度保養；4.禁止硬物、金屬混入咖啡豆；5.手搖Lido系列定期軸承潤滑；6.存放乾燥地方防生鏽。

Maintenance guide: 1.Empty residual powder daily; 2.Clean burr grease weekly; 3.Monthly deep maintenance for cafe grinders; 4.No hard/metal objects mixed with beans; 5.Regular Lido bearing lubrication; 6.Store in dry space to avoid rust.