Q1:德龍咖啡機機底漏水、滴水盤經常積水Water leaking from machine base, 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/rinsing, drip tray fills rapidly.
Cause: Aging silicone tube, hardened brew group seal, heat exchanger scale leakage, damaged tank valve.
Self-check: Inspect tank valve, clean brew group regularly, run full descaling.
Parts to replace: Silicone tube, brew group seal, tank bottom valve.
Q2:水箱有水,但機器持續閃缺水提示 FILL TANKTank full but machine shows FILL TANK warning
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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: Water tank full, machine still alerts low water after every shot.
Cause: Stuck/broken float, faulty flow sensor, dirty contact terminals.
Self-check: Clean float assembly, wipe contact points.
Parts to replace: Float unit, flow meter sensor.
Q3:磨豆機不轉、卡豆、研磨時發出異響Grinder not running, stuck beans, 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, metallic noise, cannot grind coffee beans.
Cause: Oil residue block burrs, foreign object jam, burnt motor, stuck gear.
Self-check: Empty hopper & clean oil, avoid dry adjustment.
Parts to replace: 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, inconsistent coffee output
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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: Same setting but brew volume varies shot by shot.
Cause: Aged flow sensor, limescale blockage, weak pump pressure.
Self-check: Complete descaling & repeated auto rinse.
Parts to replace: Flow meter, solenoid valve, vibration pump.
Q5:沖出來的咖啡不夠熱、出水溫度偏低Low coffee temperature, insufficient heating
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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: Machine READY but coffee cool, weak steam temperature.
Cause: Faulty NTC sensor, scale clogged heating block, thermal trip.
Self-check: Pre-rinse regularly, descale, preheat cups.
Parts to replace: NTC probe, heating block, thermal fuse.
Q6:無法產生蒸汽、蒸汽出力弱,只有熱水沒有蒸氣No steam / weak steam, only hot water comes out
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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 outputs hot water only, cannot foam milk.
Cause: Scale blocked steam pipe, stuck steam solenoid, clogged steam tip.
Self-check: Disassemble & clean steam wand, full descaling.
Parts to replace: Steam solenoid, steam tip kit, water pump.
Q7:自動奶泡系統奶泡稀薄、吸奶管不吸牛奶Thin milk foam, suction tube cannot draw milk
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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: Splashing, unstable foam, milk cannot be sucked up.
Cause: Milk residue block tube & air intake hole.
Self-check: Disassemble all milk components for cleaning after use.
Parts to replace: Milk suction tube, milk frother head, frother valve set.
Q8:機器出現三角形嘆號、GENERAL ALARM通用故障警報Triangle warning light, 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 trigger, machine stops brewing.
Cause: Misaligned brew group, stuck drive motor, dirty interior, mainboard error.
Self-check: Power off, remove, clean & reinstall brew group.
Parts to replace: Brew group drive motor, position sensor switch.
Q9:沖煮組(萃取器)卡住,沒辦法取出Brew group 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 group locked, cannot pull out even after shutdown.
Cause: Wrong stop position, compacted coffee powder, worn drive gear.
Self-check: Full power off first, DO NOT force pull.
Parts to replace: Complete brew group, drive gear assembly.
Q10:咖啡一滴一滴緩慢流出、萃取速度很慢、味道苦澀Slow dripping coffee, over-extracted 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: Very slow dripping, long extraction time, bitter flavour.
Cause: Clogged spout & limescale, dirty group seal.
Self-check: Clean spout, full descaling, try coarser grind setting.
Parts to replace: Coffee spout nozzle, solenoid valve.
Q11:雙出水口只有單邊出咖啡,另一邊完全不出水Only one spout dispenses coffee, the other blocked
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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: Dual spout, one side no coffee flow.
Cause: Hard coffee oil block nozzle hole.
Self-check: Soft brush cleaning, regular rinse routine.
Parts to replace: Coffee spout assembly.
Q12:廢渣盒咖啡渣不多,卻持續提示需要清空渣盒Small amount of grounds but machine alerts empty grounds drawer
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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: Low coffee grounds but full drawer warning pops up.
Cause: Dirty optical sensor window, aged contact switch.
Self-check: Wipe sensor window & tray contacts.
Parts to replace: Optical sensor, spring contact switch.
Q13:水泵嗡嗡震動噪音很大,但是完全不出水Loud pump vibration but zero water output
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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: Pump hums loudly, no water flows out.
Cause: Air lock, aging pump, clogged filter mesh, stuck solenoid.
Self-check: Run hot water function to release air, clean intake filter.
Parts to replace: Vibration pump, inlet filter, solenoid valve.
Q14:面板按鍵失靈、燈號亂閃,機器自動執行沖洗Unresponsive control panel, random flashing lights
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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, machine triggers rinse automatically.
Cause: Moisture inside panel, aged keypad, oxidised ribbon cable.
Self-check: Power off and rest 30 mins for dehumidify.
Parts to replace: Control panel, 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, waste water
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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: Machine keeps auto rinsing while standby.
Cause: Mainboard firmware error, unstable temperature signal, faulty flow sensor.
Self-check: Power cycle, restore factory setting.
Parts to replace: Main control board, NTC temperature sensor.
Q16:EC685、EC9335半自動,把手周圍噴水漏水Water splash around portafilter semi-auto EC685/EC9335
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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: Coffee splashes around portafilter instead of from basket.
Cause: Hardened group head gasket covered by coffee residue.
Self-check: Remove & inspect group rubber seal elasticity.
Parts to replace: Group head gasket.
Q17:預磨粉通道堵塞,咖啡粉模式無法正常萃取Pre-ground coffee chute clogged, poor extraction
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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 group, weak coffee taste.
Cause: Oil residue block powder inlet channel.
Self-check: Clean chute regularly with dedicated brush.
Parts to replace: Pre-ground powder guide channel kit.
Q18:除垢程式無法完成,一直重複提醒需要除垢Descaling cycle cannot finish, descale alert remains
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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: Descaling program finished but warning still active.
Cause: Heavy scale layer, insufficient water during cycle, flow meter counting error.
Self-check: Fill tank to MAX, re-run full descaling.
Parts to replace: Flow meter sensor.
Q19:運作途中自動斷電、無預警關機Machine auto power off suddenly 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: Sudden shutdown while brewing, cannot restart immediately.
Cause: Thermal protector trip, power board failure, broken rectifier bridge.
Self-check: Keep ventilation gap, avoid placing against wall.
Parts to replace: 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, low aroma
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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: Thin crema, watery coffee with weak aroma.
Cause: Worn dull grinder burrs, partial pipe blockage, failed brew group seal.
Self-check: Try finer grind, fully clean brew group.
Parts to replace: Grinder burr set, brew group seal.