故障原因：電源線斷裂、開關燒毀、過熱保護跳掣、馬達燒線、保險絲熔斷。保養建議：勿長時間連續研磨，每次運行間隔5分鐘散熱。維修更換零件：電源線、電源開關、溫度保險絲、商用馬達。

Fault Reason: Broken power cord, burnt power switch, overheat protection tripped, burned motor coil, blown fuse. Maintenance Tip: Do not run continuously for long time, cool down 5 mins between batches. Spare Parts: Power cord, power switch, thermal fuse, commercial motor.

故障原因：傳動齒輪磨損、皮帶斷裂、磨盤卡豆、軸心卡死。自檢：清空豆倉手動轉動磨盤測試是否卡滯。維修零件：傳動皮帶、齒輪組、磨盤軸承。

Fault Reason: Worn drive gear, broken belt, beans stuck between burrs, jammed shaft. Self-check: Empty hopper and turn burr manually. Spare Parts: Drive belt, gear set, burr bearing.

故障原因：油脂積碳、靜電積粉、磨盤間隙調整過細、出粉通道變形。保養：每3天清潔出粉口，每周拆解磨盤除油。

Fault Reason: Oil residue buildup, static powder sticking, too fine grind setting, deformed chute. Maintenance: Clean chute every 3 days, disassemble burrs weekly to remove grease.

故障原因：調節螺絲滑牙、定位彈簧脫落、磨盤支架變形。維修：更換調節螺絲、彈簧、磨盤固定座。

Fault Reason: Stripped adjustment screw, loose positioning spring, deformed burr holder. Spare Parts: Adjustment screw, spring, burr mount.

故障原因：磨盤鈍化、磨盤偏移、磨盤固定螺絲鬆動。保養：商用機6-12個月更換磨盤，家用1-2年更換。

Fault Reason: Dull burrs, offset burr alignment, loose burr screws. Maintenance: Replace burrs every 6-12 months for commercial, 1-2 years for home use.

故障原因：金屬雜物卡入磨盤、軸承磨損、磨盤鬆動、馬達軸心偏移。自檢：立即斷電清空豆倉檢查異物。

Fault Reason: Metal foreign object stuck, worn bearing, loose burr, misaligned motor shaft. Self-check: Cut power immediately and remove foreign objects.

故障原因：腳墊老化、馬達不平衡、磨盤安裝歪斜、機殼固定螺絲鬆動。維修：更換防滑腳墊、重新校正磨盤。

Fault Reason: Worn rubber feet, unbalanced motor, tilted burr, loose casing screws. Spare Parts: Anti-slip rubber feet, re-align burr assembly.

故障原因：豆倉膠圈老化破裂、卡扣斷裂、豆倉本體裂紋。維修零件：密封膠圈、豆倉卡扣、全新豆倉。

Fault Reason: Aged broken rubber seal, broken hopper clip, cracked hopper. Spare Parts: Seal ring, hopper clip, replacement hopper.