Q1:德龍咖啡機機底漏水、滴水盤經常積水Machine base leaking, drip tray fills quickly
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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 from base during brewing, drip tray fills rapidly.
Cause: Aging silicone tube, hardened brew unit seal, heat exchanger scaling leak, broken tank valve.
Self-check: Inspect tank valve, clean brew unit regularly, complete descaling.
Spare parts: Silicone tube, brew unit seal, tank bottom valve.
Q2:水箱有水,但機器持續閃缺水提示 FILL TANKTank full but FILL TANK warning flashing
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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: Full water tank, machine still shows FILL TANK alert.
Cause: Stuck/broken float, flow sensor fault, dirty contact points.
Self-check: Clean float ball, wipe tank contact terminals.
Spare 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Grinder not running, jammed & abnormal noise
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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 motor no response, metal noise, no bean grinding.
Cause: Oily burr clog, foreign object stuck, burnt motor, jammed gear.
Self-check: Empty bean hopper, clean oil residue, avoid dry adjustment.
Spare parts: Grinder motor, burr set, drive gear.
Q4:咖啡出水量不穩定,同一設定有時多、有時少Unstable brew volume under same setting
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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: Inconsistent water output with fixed portion setting.
Cause: Aging flow sensor, scaled pipeline, weak pump pressure.
Self-check: Full descaling, run auto rinse cycles.
Spare 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Low coffee brewing temperature
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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: READY light on, coffee & steam temperature too low.
Cause: Faulty NTC sensor, scaled thermoblock, thermal cutout triggered.
Self-check: Pre-rinse, regular descaling, preheat cups.
Spare parts: NTC probe, thermoblock, 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Weak or no steam, only hot water output
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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 only outputs hot water, cannot foam milk.
Cause: Scaled steam pipe, stuck steam valve, blocked steam tip.
Self-check: Disassemble & clean steam wand, regular descaling.
Spare parts: Steam solenoid valve, steam tip kit, 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Thin milk foam, suction tube no milk intake
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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: Bubbly unstable foam, milk suction failure.
Cause: Milk residue blockage on foam nozzle & air inlet.
Self-check: Clean all milk components after every use.
Spare parts: Milk suction tube, foam nozzle, milk valve assembly.
Q8:機器出現三角形嘆號、GENERAL ALARM 通用故障警報Triangle warning GENERAL ALARM error
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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, cannot brew coffee.
Cause: Misaligned brew unit, jammed drive motor, mainboard signal error.
Self-check: Power off, remove, clean & reinstall brew unit.
Spare parts: Brew 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Brew unit stuck, cannot be removed
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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 unit locked even after power off.
Cause: Unit stop at wrong position, compacted coffee powder, worn gear.
Self-check: Power off completely, DO NOT pull hard.
Spare parts: Complete brew unit, 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Slow dripping coffee, bitter taste
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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, over-extracted bitter coffee.
Cause: Scaled pipeline, blocked spout, clogged shower screen.
Self-check: Clean spout, full descaling, grind coarser.
Spare 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Only one side of dual spout outputs coffee
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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: Single spout output only.
Cause: Dry coffee grease blockage inside nozzle.
Self-check: Soft brush cleaning, regular rinse.
Spare parts: Dual coffee spout assembly.
Q12:廢渣盒咖啡渣不多,卻持續提示需要清空渣盒Used grounds alert even with little waste
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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: Waste bin full warning triggers prematurely.
Cause: Dirty optical sensor window, worn contact switch.
Self-check: Wipe sensor window & drip tray contacts.
Spare parts: Optical sensor, spring contact switch.
Q13:水泵嗡嗡震動噪音很大,但是完全不出水Pump humming loudly with zero water flow
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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: Loud pump hum, no water flow.
Cause: Air lock, aging pump, blocked inlet filter, stuck valve.
Self-check: Run hot water cycle to release air lock, clean inlet filter.
Spare 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Unresponsive buttons, random light flashing
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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: Buttons no response, auto random rinse cycles.
Cause: Moisture on control board, aging keypad, oxidized cable.
Self-check: Power off & rest 30 mins for dehumidify.
Spare parts: Control panel, flat ribbon cable.
Q15:咖啡機閒置時不停自動沖洗,耗費大量清水Continuous auto-rinse during standby
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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: Non-stop auto rinsing while standby.
Cause: Mainboard firmware error, unstable NTC, false flow sensor signal.
Self-check: Power reboot, restore factory default.
Spare parts: Main control board, NTC temperature sensor.
Q16:EC685、EC9335 半自動機,把手周圍噴水漏水Semi-auto EC685 EC9335 leak around portafilter
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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 splashes around portafilter instead of filter basket.
Cause: Hardened shower seal covered by coffee residue.
Self-check: Remove & inspect shower ring elasticity.
Spare parts: Shower head seal gasket.
Q17:預磨粉通道堵塞,使用咖啡粉模式無法正常萃取Pre-ground coffee chute blocked
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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 cannot enter brew unit, weak coffee.
Cause: Oil residue clogs powder chute.
Self-check: Clean chute with dedicated brush frequently.
Spare parts: Pre-ground coffee chute assembly.
Q18:除垢程式無法完成,一直重複提醒需要除垢Descale reminder cannot be cleared after full process
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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: Descale alert remains active after full descaling cycle.
Cause: Heavy internal scaling, insufficient water during process, flow meter counting error.
Self-check: Fill tank to MAX line, redo full descaling.
Spare 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Unexpected power cut during operation
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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: Machine shuts down randomly, cannot restart immediately.
Cause: Overheat thermal cutout, power board fault, broken rectifier bridge.
Self-check: Keep ventilation space, avoid placing against wall.
Spare parts: Thermal fuse, rectifier bridge, power supply board.
Q20:萃取咖啡 crema 薄、味道偏淡,香氣不足Thin crema, weak coffee flavour
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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: Pale thin crema, watery espresso flavour.
Cause: Worn grinder burr, minor pipeline clog, leaking brew unit seal.
Self-check: Grind finer, fully clean brew unit.
Spare parts: Grinder burr set, brew unit sealing ring.