故障成因：電源線斷裂、保險絲燒毀、內部變壓器損壞、開關觸點氧化；保養建議：勿頻繁拉扯電源線，定期檢查插座電壓。維修更換零件：電源線、保險管、主開關、變壓器。

Cause: Broken power cord, blown fuse, faulty transformer, oxidized power switch. Maintenance tip: Do not pull cable roughly, check socket voltage regularly. Spare parts replace: power cable, fuse, main switch, transformer.

成因：刀盤堵塞殘留油脂、出粉通道結塊、調研磨度過細卡死；保養：每週清潔刀盤與出粉口。維修：拆解清洗刀盤、疏通粉道、更換磨盤墊圈。

Cause: Clogged burrs by coffee oil, caked chute, too fine grind setting jam. Maintenance: Clean burr & chute weekly. Repair: Deep clean burrs, unclog chute, replace burr gasket.

成因：上下刀盤磨損變形、刀盤固定螺絲鬆動、機身震動偏移；保養：半年檢查刀盤磨損狀況。維修：鎖緊固定螺絲、更換整套磨盤。

Cause: Worn burr set, loose burr screws, vibration shift. Maintenance: Inspect burr wear every 6 months. Repair: Tighten screws, full burr replacement.

成因：金屬異物掉入豆倉、刀盤崩齒、傳動齒輪磨損；保養：入豆前檢查雜物。維修：取出異物、更換磨盤、更換傳動齒輪組。

Cause: Metal foreign object inside hopper, chipped burr, worn drive gear. Maintenance: Check beans for debris before use. Repair: Remove foreign matter, replace burr/gear set.

成因：馬達過熱保護啟動、馬達線圈短路、負載卡死；保養：商用機避免連續長時間研磨。維修：散熱檢查、維修馬達繞組、清除卡豆負載。

Cause: Motor overheat protection, shorted motor coil, jam overload. Maintenance: Avoid non-stop heavy grinding for commercial use. Repair: Heat dissipation check, motor winding repair, clear jam.

成因：膠圈老化硬化、豆倉卡扣斷裂、蓋子變形；保養：定期擦拭密封膠圈避免油脂腐蝕。維修：更換密封膠圈、豆倉卡扣、全新豆倉。

Cause: Aged rubber seal, broken hopper clip, deformed lid. Maintenance: Wipe seal weekly to avoid oil corrosion. Repair: Replace rubber gasket, clip, full hopper.

成因：出粉膠嘴老化、風扇平衡異常、研磨速度過快；保養：每兩周清理粉道殘粉。維修：更換出粉嘴、調整馬達轉速模塊。

Cause: Aged spout rubber, unbalanced fan, high grind speed. Maintenance: Clean chute residue bi-weekly. Repair: Replace dispensing spout, adjust motor speed module.

成因：調節螺紋積滿咖啡油垢、調節齒磨損卡滯；保養：每月拆解清潔調節結構。維修：除油清潔螺紋、更換調節齒輪總成。

Cause: Coffee oil buildup on adjustment thread, worn adjust gear. Maintenance: Disassemble & clean adjuster monthly. Repair: Degrease thread, replace adjust gear assembly.

成因：刀盤嚴重磨損掉金屬粉、傳動軸生銹；保養：避免長期空轉研磨。維修：全套更換高硬度磨盤、拋光生銹傳動軸。

Cause: Heavily worn burr shedding metal, rusted drive shaft. Maintenance: Never run grinder empty without beans. Repair: Full hard burr set replacement, polish rusted shaft.

成因：計時模塊故障、計量擋板卡粉、電位器老化；保養：每週清理計量機構。維修：更換計時板、計量擋片、調校電位器。

Cause: Faulty timer board, dose shutter clogged, aged potentiometer. Maintenance: Clean dosing mechanism weekly. Repair: Replace timer PCB, dose shutter, calibrate potentiometer.

成因：底部防滑腳墊老化、馬達固定支架鬆動、刀盤不平衡；保養：定期檢查機身固定螺絲。維修：更換防滑墊、鎖緊馬達支架、校正磨盤平衡。

Cause: Worn anti-slip feet, loose motor bracket, unbalanced burr. Maintenance: Tighten frame screws monthly. Repair: New rubber feet, secure motor mount, rebalance burr set.

成因：面板進咖啡水汽、觸控PCB受潮、按鍵彈片氧化；保養：擦拭機身避免水流入面板。維修：乾燥處理線路板、更換觸控面板總成。

Cause: Coffee moisture seep into panel, damp touch PCB, oxidized contact spring. Maintenance: Wipe body dry, prevent liquid near screen. Repair: Dry circuit board, replace full touch control panel.

成因：豆倉內壁積油、攪拌葉片斷裂、濕潤咖啡豆結塊；保養：每兩周清洗豆倉。維修：除油清潔倉體、更換攪拌撥片。

Cause: Oil coated hopper wall, broken agitator blade, damp clumpy beans. Maintenance: Wash hopper bi-weekly. Repair: Degrease hopper, replace agitator paddle.

成因：馬達絕緣層燒毀、風扇散熱口堵塞、持續超負荷；保養：清理散熱孔灰塵。維修：重繞馬達線圈、更換冷卻風扇、維修驅動板。

Cause: Burned motor insulation, clogged cooling vent, continuous overload. Maintenance: Clear cooling fan dust regularly. Repair: Rewind motor coil, replace cooling fan, repair drive PCB.

成因：內部線路絕緣皮破損、接地線脫落、機體受潮；保養：避免用水直接沖洗機身。維修：更換破損線材、重接接地線、烘乾內部機構。

Cause: Damaged wire insulation, loose earth wire, damp internal parts. Maintenance: Never rinse machine directly with water. Repair: Replace broken wiring, reconnect ground wire, dry internal assembly.

成因：電源插頭接觸不良、內部線路虛焊、溫度保護開關接觸不穩；保養：定期檢查插頭線路。維修：重焊虛接線路、更換溫度保護開關。

Cause: Loose plug connection, cold solder joints, unstable thermal switch. Maintenance: Inspect power cord plug monthly. Repair: Resolder loose wiring, replace thermal cut-off switch.

成因：容器內側凹凸積殘粉、橡膠墊藏污納垢；保養：每日用完擦拭粉杯，每週熱水清洗。維修：更換老化發霉粉杯墊、全新出粉杯。

Cause: Uneven inner surface traps old powder, dirty rubber mat. Maintenance: Wipe cup daily, hot water wash weekly. Repair: Replace moldy rubber mat, new dosing cup.

成因：顯示板排線脫落、背光燈損壞、主控板故障；保養：避免機器重摔撞擊。維修：重插顯示排線、更換背光模組、維修主板。

Cause: Loose display ribbon cable, broken backlight, faulty main PCB. Maintenance: Avoid dropping or hitting grinder. Repair: Reconnect ribbon cable, replace backlight module, repair mainboard.

成因：存放潮濕環境、長期殘粉積於刀盤縫隙；保養：乾燥環境存放，每次使用完清空殘粉。維修：除鏽拋光刀盤、更換銹蝕軸承。

Cause: Humid storage, stale powder trapped in burr gap. Maintenance: Store dry, empty residual powder after use. Repair: Rust removal