Q1:德龍咖啡機機底漏水、滴水盤經常積水,是什麼問題?Q1: Delonghi machine bottom leaking, drip tray fills quickly?+
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。
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。
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。
維修更換零件:矽膠水管、沖煮組密封圈、水箱底止水閥。
Symptom: Water leaks under machine during rinse / coffee making, drip tray fills rapidly.
Cause: Aged silicone hose, hardened brew group seal, heat exchanger limescale leakage, damaged tank valve.
Self-check: Inspect tank valve, regularly disassemble & clean brew group, run full descaling.
Spare parts: Silicone tube, brew group o-ring, tank bottom valve.
Q2:水箱有水,但機器持續閃缺水提示 FILL TANK,如何維修?Q2: Tank full but machine keeps showing FILL TANK warning?+
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。
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。
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。
維修更換零件:水位浮子總成、水流傳感器(水表)。
Symptom: Water tank full, still shows low water alert after brewing.
Cause: Stuck/broken float, faulty flow sensor, dirty contact points.
Self-check: Clean float assembly, wipe contact terminals.
Parts: Float assembly, flow meter sensor.
Q3:德龍咖啡機磨豆機不轉、卡豆、研磨時發出異響?Q3: Grinder not spinning, bean jam, abnormal noise during grinding?+
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。
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。
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。
維修更換零件:磨豆馬達、磨豆刀盤、研磨傳動齒輪。
Symptom: Grinder no response or metal noise, cannot feed beans.
Cause: Oil buildup clogging burrs, foreign object jam, burnt motor, gear blockage.
Self-check: Empty hopper & clean grease; do not adjust grind size without beans.
Parts: Grinder motor, burr set, drive gears.
Q4:咖啡出水量不穩定,同一設定有時多、有時少?Q4: Unstable coffee output volume under same setting?+
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。
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。
自行檢查方法:執行完整除垢,多次啟動自動沖洗清理水路。
維修更換零件:水流感應水表、電磁閥、震動水泵。
Symptom: Variable water output even with fixed portion setting.
Cause: Aging flow sensor, limescale blockage, weak pump pressure.
Self-check: Full descaling, run multiple auto rinses.
Parts: Flow meter, solenoid valve, vibration pump.
Q5:沖出來的咖啡不夠熱、出水溫度偏低怎麼處理?Q5: Brewed coffee temperature too low?+
故障現象:機器顯示備妥 READY,但咖啡溫度偏涼,蒸汽溫度不足。
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。
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。
維修更換零件:NTC 溫度探針、加熱熱塊、熱保護器。
Symptom: Machine shows READY, coffee & steam temperature low.
Cause: Faulty NTC sensor, limescale on heating block, thermal trip.
Self-check: Pre-rinse, regular descaling, preheat cups.
Parts: NTC probe, heating block, thermal fuse.
Q6:咖啡機無法產生蒸汽、蒸汽出力弱,只有熱水沒有蒸氣?Q6: No steam / weak steam, only hot water from steam wand?+
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。
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。
自行檢查方法:拆解清洗蒸汽棒,定期執行完整除垢程序。
維修更換零件:蒸汽電磁閥、蒸汽噴嘴套件、水泵。
Symptom: Steam mode outputs hot water only, cannot foam milk.
Cause: Limescale clogged steam pipe, stuck steam solenoid, blocked tip.
Self-check: Disassemble & clean steam wand, regular descaling.
Parts: Steam solenoid, steam tip kit, water pump.
Q7:自動奶泡系統打出奶泡稀薄、泡沫粗大,吸奶管不吸牛奶?Q7: Thin foam, milk suction tube not drawing milk?+
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。
故障原因:奶泡管路、奶泡頭累積奶垢堵塞、進氣孔封閉。
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。
維修更換零件:奶泡吸管、奶泡頭、奶泡閥組。
Symptom: Splashing, foam disappears quickly, no milk suction.
Cause: Milk residue blockage on frother head & air inlet.
Self-check: Fully disassemble & clean milk system after every use.
Parts: Milk suction tube, frother head, milk valve assembly.
Q8:機器出現三角形嘆號、GENERAL ALARM 通用故障警報?Q8: Triangle warning / GENERAL ALARM error?+
故障現象:螢幕亮起通用故障警示,無法製作咖啡。
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。
自行檢查方法:斷電關機,取出沖煮組清潔後重新正確安裝。
維修更換零件:沖煮組傳動馬達、位置感應開關。
Symptom: General alarm triggered, machine stops brewing.
Cause: Misaligned brew group, jam drive motor, dirty interior, mainboard signal error.
Self-check: Power off, remove, clean and reinstall brew group correctly.
Parts: Brew group drive motor, position sensor switch.
Q9:沖煮組(萃取器)卡住,沒辦法取出,硬拉會損壞嗎?Q9: Brew group stuck, cannot pull out, risk damage if forced?+
故障現象:無法拉出沖煮組,關機之後仍然卡緊。
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。
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。
維修更換零件:沖煮組總成、傳動齒輪組。
Symptom: Brew group locked even after power off.
Cause: Brew group at wrong position, compacted coffee block, worn gears.
Self-check: Fully power off before attempt; NEVER pull with force.
Parts: Complete brew group, drive gear set.
Q10:咖啡一滴一滴緩慢流出、萃取速度很慢,咖啡味道苦澀?Q10: Coffee drips slowly, over-extracted bitter taste?+
故障現象:出水細小呈滴漏狀,萃取時間過長。
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。
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。
維修更換零件:出水噴嘴、電磁閥。
Symptom: Slow dripping, long extraction time, bitter espresso.
Cause: Clogged spout, limescale, portafilter / group head dirt (semi-auto).
Self-check: Clean spout, full descaling, try coarser grind setting.
Parts: Coffee spout, solenoid valve.
Q11:雙出水口只有單邊出咖啡,另一邊完全不出水?Q11: Dual spout only one side dispenses coffee?+
故障現象:咖啡機雙噴嘴其中一側沒有咖啡流出。
故障原因:噴嘴累積乾硬咖啡油垢造成堵塞。
自行檢查方法:使用軟刷小心清理噴孔,養成定期沖洗習慣。
維修更換零件:咖啡出水口噴嘴總成。
Symptom: One spout blocked, no coffee output.
Cause: Hardened coffee grease clogging spout hole.
Self-check: Gentle brushing, regular rinsing routine.
Parts: Coffee spout assembly.
Q12:廢渣盒咖啡渣不多,卻持續提示需要清空渣盒?Q12: Coffee grounds tray alert triggers with little waste?+
故障現象:少量咖啡渣就觸發滿渣警示,不能繼續製作咖啡。
故障原因:渣盒光感感應窗口髒汙、彈簧觸點開關老化。
自行檢查方法:擦拭渣盒感應窗口、清潔滴水盤觸點。
維修更換零件:光感感應器、彈簧觸點開關。
Symptom: Tray full warning with minimal coffee waste.
Cause: Dirty optical sensor window, aged contact switch.
Self-check: Wipe sensor window and tray contact points.
Parts: Optical sensor, contact spring switch.
Q13:水泵嗡嗡震動噪音很大,但是完全不出水?Q13: Pump loud buzzing but zero water output?+
故障現象:按下萃取鍵,水泵持續發出噪音,沒有水流產生。
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。
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。
維修更換零件:震動水泵、進水濾網、電磁閥。
Symptom: Pump hums strongly, no water flow.
Cause: Air lock, worn pump, blocked inlet filter, stuck solenoid.
Self-check: Run hot water function to purge air, clean inlet filter.
Parts: Vibration pump, inlet filter, solenoid valve.
Q14:面板按鍵失靈、燈號亂閃,機器會自動執行沖洗?Q14: Buttons unresponsive, lights flicker, auto rinse randomly?+
故障現象:觸控或實體按鍵沒有反應,有時候自行觸發指令。
故障原因:操作面板受潮、按鍵膜老化、面板排線氧化。
自行檢查方法:斷電靜置半小時,等待機身內部除濕。
維修更換零件:操作面板、面板連接排線。
Symptom: Touch/physical buttons dead, random auto rinse.
Cause: Moisture on control board, aged keypad membrane, oxidised cable.
Self-check: Power off & leave to dry for 30 minutes.
Parts: Control panel, connecting ribbon cable.
Q15:咖啡機閒置時不停自動沖洗,耗費大量清水?Q15: Machine keeps auto rinsing during standby?+
故障現象:開機、閒置階段持續自動沖水,無法停止。
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。
自行檢查方法:斷電重啟,嘗試回復機器出廠設定。
維修更換零件:主控板、NTC 溫度感應器。
Symptom: Continuous auto-rinse on power-up & standby.
Cause: Mainboard firmware error, unstable NTC signal, false flow detection.
Self-check: Power cycle, restore factory settings.
Parts: Main control board, NTC temperature sensor.
Q16:EC685、EC9335 半自動機,把手周圍噴水漏水?Q16: EC685 / EC9335 semi-auto leaking around portafilter?+
故障現象:萃取時不從濾碗出水,把手外圍噴濺咖啡。
故障原因:沖煮頭密封圈老化硬化、堆積咖啡垢失去密封性。
自行檢查方法:拆出沖煮頭密封圈清洗觀察彈性。
維修更換零件:沖煮頭密封圈(沖煮頭膠圈)。
Symptom: Water sprays around portafilter instead of basket.
Cause: Hardened group head o-ring covered with coffee residue.
Self-check: Remove & inspect group seal elasticity.
Parts: Group head o-ring.
Q17:預磨粉通道堵塞,使用咖啡粉模式無法正常萃取?Q17: Pre-ground coffee chute blocked, cannot brew powder mode?+
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。
故障原因:粉槽累積油垢結塊,封閉進粉通道。
自行檢查方法:使用專用毛刷定期清理預磨粉通道。
維修更換零件:預磨粉導料通道套件。
Symptom: Pre-ground powder stuck, weak or no coffee output.
Cause: Grease buildup blocking powder chute.
Self-check: Regular cleaning with dedicated brush.
Parts: Pre-ground feed chute assembly.
Q18:除垢程式無法完成,一直重複提醒需要除垢?Q18: Descaling cycle cannot finish, descale alert keeps popping up?+
故障現象:跑完整套除垢流程,警示燈仍然持續閃爍。
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。
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。
維修更換零件:水流感應水表。
Symptom: Descaling complete but warning light remains active.
Cause: Heavy limescale, insufficient water during cycle, faulty flow counter.
Self-check: Fill tank to MAX and repeat full descaling process.
Parts: Flow meter sensor.
Q19:運作途中自動斷電、無預警關機,擱置一段時間才能重啟?Q19: Machine auto power off mid-operation, can only restart after cooling?+
故障現象:製作咖啡中途機器突然熄機,無法立刻開機。
故障原因:熱保護器過熱跳脫、主板供電故障、整流橋損壞。
自行檢查方法:機器保留散熱空間,不要緊貼牆壁擺放。
維修更換零件:熱保護保險絲、主板整流橋、電源板。
Symptom: Sudden power cut during brewing, restart only after cooling.
Cause: Thermal protector trip, power supply failure, damaged rectifier.
Self-check: Keep ventilation gap, avoid placing against wall.
Parts: Thermal fuse, rectifier bridge, power supply board.
Q20:萃取咖啡 crema 薄、味道偏淡,香氣不足?Q20: Thin crema, weak flavour, low aroma?+
故障現象:相同咖啡豆與研磨設定,咖啡口感如水,crema 稀少。
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。
自行檢查方法:微調至更細研磨度測試,全面清洗沖煮組。
維修更換零件:磨豆刀盤、沖煮組密封圈。
Symptom: Watery espresso, thin crema with same bean & grind setting.
Cause: Worn grinder burrs, minor pipe blockage, leaky brew group seal.
Self-check: Try finer grind setting, fully clean brew group.
Parts: Grinder burr set, brew group o-ring.