故障現象：沖洗或製作咖啡時機身底部滲水，滴水盤短時間就積滿水。 Symptom: Water leaks under machine during brew/rinse, drip tray fills rapidly.

故障原因：矽膠軟管老化破裂、沖煮組密封圈硬化、熱交換器積垢滲漏、水箱底部止水閥損壞。 Cause: Aging silicone hose, infuser seal hardening, heat exchanger scale leakage, tank bottom valve broken.

自行檢查方法：檢查水箱底膠閥狀態、定期拆解清洗沖煮組、執行完整除垢程序。 Self-check: Inspect tank valve, clean infuser regularly, complete descaling.

維修更換零件：矽膠水管、沖煮組密封圈、水箱底止水閥。 Spare parts: Silicone tube, infuser seal, tank shut-off valve.

故障現象：水箱已經加滿清水，儀表仍然提示缺水，有時做完一杯咖啡立刻報警。 Symptom: Water tank full, machine keeps prompting refill warning.

故障原因：水位浮子卡滯或破損、水流感應器故障、水箱接觸位髒汙導致感應失靈。 Cause: Stuck/damaged float sensor, flow sensor fault, dirty contact points.

自行檢查方法：取出水箱清洗水位浮球，擦乾機身與水箱接觸觸點。 Self-check: Clean float ball, wipe contact terminals.

維修更換零件：水位浮子總成、水流傳感器（水表）。 Spare parts: Float assembly, flow meter sensor.

故障現象：切換咖啡豆模式，磨豆馬達沒有反應，或是出現金屬異響，無法正常下豆研磨。 Symptom: Grinder motor no response, metallic noise, cannot grind beans.

故障原因：咖啡豆油脂黏附刀盤造成堵塞、異物卡入刀盤、磨豆馬達燒毀、傳動齒輪卡阻。 Cause: Oily clog on burrs, foreign object stuck, burnt motor, jammed gear.

自行檢查方法：清空豆倉清理咖啡油垢，禁止空機狀態調校研磨粗細。 Self-check: Empty hopper & clean oil residue, avoid dry grinding adjustment.

維修更換零件：磨豆馬達、磨豆刀盤、研磨傳動齒輪。 Spare parts: Grinder motor, burr set, drive gear.

故障現象：固定咖啡份量設定，萃取水量忽多忽少，無法穩定定量。Symptom: Same setting but inconsistent brew volume.

故障原因：水流感應器老化、內部水路水垢堵塞、水泵壓力衰退。Cause: Aging flow sensor, scale blockage, weak pump pressure.

自行檢查方法：執行完整除垢，多次啟動自動沖洗清理水路。Self-check: Full descaling & repeated auto-rinse.

維修更換零件：水流感應水表、電磁閥、震動水泵。Spare parts: Flow meter, solenoid valve, vibration pump.

故障現象：機器顯示備妥 READY，但咖啡溫度偏涼，蒸汽溫度不足。Symptom: READY status but coffee & steam temperature low.

故障原因：NTC 溫度感應器故障、加熱熱塊堆積大量水垢、溫控保護跳脫。Cause: NTC sensor fault, scale on heating block, thermal trip.

自行檢查方法：善用預沖洗功能、定期除鈣、萃取前預熱咖啡杯。Self-check: Pre-rinse, regular descaling, preheat cups.

維修更換零件：NTC 溫度探針、加熱熱塊、熱保護器。Spare parts: NTC probe, heating block, thermal protector.

故障現象：切換蒸汽模式，只能流出熱水，產生不了蒸汽，難以打奶泡。Symptom: Steam mode outputs hot water only, cannot foam milk.

故障原因：蒸汽管路水垢淤塞、蒸汽電磁閥卡滯、水泵壓力不足、蒸汽噴嘴堵塞。Cause: Steam pipe scale, stuck solenoid, pump weak, nozzle clogged.

自行檢查方法：拆解清洗蒸汽棒，定期執行完整除垢程序。Self-check: Disassemble steam wand cleaning & descaling.

維修更換零件：蒸汽電磁閥、蒸汽噴嘴套件、水泵。Spare parts: Steam solenoid, steam nozzle kit, water pump.

故障現象：卡布奇諾系統噴濺、奶泡容易消散，吸管無法抽取牛奶。Symptom: Splashing, foam disappears quickly, no milk suction.

故障原因：奶泡管路、奶泡頭累積奶垢堵塞、進氣孔封閉。Cause: Milk residue clog on tube & aerator, air hole blocked.

自行檢查方法：每次使用完即清洗整套奶泡配件，拆解沖洗所有管路。Self-check: Clean milk system completely after every use.

維修更換零件：奶泡吸管、奶泡頭、奶泡閥組。Spare parts: Milk suction tube, aerator head, milk valve assembly.

故障現象：螢幕亮起通用故障警示，無法製作咖啡。Symptom: General alarm shown, machine stops brewing.

故障原因：沖煮組位置偏移、傳動馬達卡滯、機內過髒、主板訊號異常。Cause: Misaligned infuser, jam drive motor, dirty interior, mainboard error.

自行檢查方法：斷電關機，取出沖煮組清潔後重新正確安裝。Self-check: Power off, remove, clean & reinstall infuser correctly.

維修更換零件：沖煮組傳動馬達、位置感應開關。Spare parts: Infuser drive motor, position sensor switch.

故障現象：無法拉出沖煮組，關機之後仍然卡緊。Symptom: Infuser stuck, cannot be removed even after power off.

故障原因：沖煮組停留在非拆卸位置、咖啡粉結塊卡阻、傳動齒輪磨損。Cause: Infuser at wrong position, compacted coffee powder, worn gear.

自行檢查方法：務必在完全斷電狀態嘗試取出，禁止強行拉扯。Self-check: Fully power off first. Do not pull forcefully.

維修更換零件：沖煮組總成、傳動齒輪組。Spare parts: Complete infuser assembly, drive gear set.

故障現象：出水細小呈滴漏狀，萃取時間過長。Symptom: Dripping slowly, over-extracted bitter coffee.

故障原因：水路水垢、咖啡出水口噴嘴堵塞；半自動機型常見濾碗堵塞、沖煮頭膠圈積垢。Cause: Scale & clogged spout, portafilter blockage for semi-auto models.

自行檢查方法：清理出水口噴嘴、完整除垢，嘗試調粗研磨度測試。Self-check: Clean spout, descale, try coarser grind setting.

維修更換零件：出水噴嘴、電磁閥。Spare parts: Coffee spout, solenoid valve.

故障現象：咖啡機雙噴嘴其中一側沒有咖啡流出。Symptom: One of dual spouts no output.

故障原因：噴嘴累積乾硬咖啡油垢造成堵塞。Cause: Hard dried coffee oil clogging spout hole.

自行檢查方法：使用軟刷小心清理噴孔，養成定期沖洗習慣。Self-check: Soft brush clean spout holes, regular rinse routine.

維修更換零件：咖啡出水口噴嘴總成。Spare parts: Dual coffee spout assembly.

故障現象：少量咖啡渣就觸發滿渣警示，不能繼續製作咖啡。Symptom: Trash warning triggers even with few coffee grounds.

故障原因：渣盒光感感應窗口髒汙、彈簧觸點開關老化。Cause: Dirty optical sensor window, aged spring contact switch.

自行檢查方法：擦拭渣盒感應窗口、清潔滴水盤觸點。Self-check: Wipe sensor window & drip tray contacts.

維修更換零件：光感感應器、彈簧觸點開關。Spare parts: Optical sensor, spring contact switch.

故障現象：按下萃取鍵，水泵持續發出噪音，沒有水流產生。Symptom: Pump hums, no water flows out.

故障原因：水路出現空氣鎖、水泵老化、進水濾網堵塞、電磁閥卡死。Cause: Air lock, worn pump, clogged inlet filter, stuck solenoid.

自行檢查方法：開啟熱水功能排出管路空氣，檢查水箱進水濾網。Self-check: Run hot water to release air lock, clean inlet filter.

維修更換零件：震動水泵、進水濾網、電磁閥。Spare parts: Vibration pump, inlet filter, solenoid valve.

故障現象：觸控或實體按鍵沒有反應，有時候自行觸發指令。Symptom: Touch/physical buttons fail, random auto functions.

故障原因：操作面板受潮、按鍵膜老化、面板排線氧化。Cause: Moisture on control panel, worn keypad, oxidised ribbon cable.

自行檢查方法：斷電靜置半小時，等待機身內部除濕。Self-check: Power off and rest for 30 mins for dehumidification.

維修更換零件：操作面板、面板連接排線。Spare parts: Control panel, ribbon connection cable.

故障現象：開機、閒置階段持續自動沖水，無法停止。Symptom: Machine keeps rinsing automatically during standby.

故障原因：主板程式異常、溫度感應訊號不穩、水流感應器誤判。Cause: Mainboard firmware error, unstable NTC signal, false flow sensor reading.

自行檢查方法：斷電重啟，嘗試回復機器出廠設定。Self-check: Power cycle, restore factory setting.

維修更換零件：主控板、NTC 溫度感應器。Spare parts: Main control board, NTC temperature sensor.

故障現象：萃取時不從濾碗出水，把手外圍噴濺咖啡。Symptom: Coffee splashes around portafilter instead of from basket.

故障原因：沖煮頭密封圈老化硬化、堆積咖啡垢失去密封性。Cause: Hardened group head seal covered with coffee residue.

自行檢查方法：拆出沖煮頭密封圈清洗觀察彈性。Self-check: Remove group seal and check elasticity after cleaning.

維修更換零件：沖煮頭密封圈（沖煮頭膠圈）。Spare parts: Group head rubber seal.

故障現象：倒入咖啡粉不會落入沖煮組，咖啡味道偏淡甚至不出咖啡。Symptom: Pre-ground powder cannot feed into infuser, weak coffee.

故障原因：粉槽累積油垢結塊，封閉進粉通道。Cause: Oil clogs the powder feeding chute.

自行檢查方法：使用專用毛刷定期清理預磨粉通道。Self-check: Clean powder chute regularly with dedicated brush.

維修更換零件：預磨粉導料通道套件。Spare parts: Pre-ground feed chute assembly.

故障現象：跑完整套除垢流程，警示燈仍然持續閃爍。Symptom: Descaling warning remains after completing procedure.

故障原因：機內水垢過厚、除垢期間水位不足、水流感應計數異常。Cause: Heavy scale, insufficient water during descaling, flow meter counting error.

自行檢查方法：除垢時水箱加水至 MAX 刻度，重新完整執行一次除垢。Self-check: Fill tank to MAX, redo full descaling procedure.

維修更換零件：水流感應水表。Spare parts: Flow meter sensor.

故障現象：製作咖啡中途機器突然熄機，無法立刻開機。Symptom: Machine shuts down mid-brew, cannot restart immediately.

故障原因：熱保護器過熱跳脫、主板供電故障、整流橋損壞。Cause: Thermal cut-off trigger, power board fault, damaged rectifier bridge.

自行檢查方法：機器保留散熱空間，不要緊貼牆壁擺放。Self-check: Leave ventilation space, avoid placing against wall.

維修更換零件：熱保護保險絲、主板整流橋、電源板。Spare parts: Thermal fuse, rectifier bridge, power supply board.

故障現象：相同咖啡豆與研磨設定，咖啡口感如水，crema 稀少。Symptom: Watery coffee, thin crema under same grind setting.

故障原因：磨豆刀盤磨損變鈍、水路輕微堵塞、沖煮組密封失效。Cause: Worn grinder burrs, minor waterway clog, poor infuser sealing.

自行檢查方法：微調至更細研磨度測試，全面清洗沖煮組。Self-check: Finer grind test, full infuser cleaning.

維修更換零件：磨豆刀盤、沖煮組密封圈。Spare parts: Grinder burr set, infuser rubber seal.