故障成因：加熱管水垢堵塞、溫度感應器故障、加熱燒壞、繼電器失靈

日常保養：每3個月完整除水垢，定期校準溫控元件

Cause: Scale clog heater tube, broken temperature sensor; Maintenance: Full descaling every 3 months

故障成因：管路堵塞、分水網咖啡油脂積垢、水泵壓力不足

日常保養：每日清潔分水網，每周全水路沖洗

Cause: Blocked pipeline, oily shower screen; Maintenance: Clean screen daily, flush pipe weekly

故障成因：膠圈老化、水管裂縫、鍋爐密封墊腐蝕

日常保養：半年更換全套密封圈，禁止長時間空燒機器

Cause: Aged gaskets, cracked tubing; Maintenance: Replace all seals every 6 months

故障成因：奶垢堵塞蒸汽孔、鍋爐壓力不足、蒸汽閥卡滯

日常保養：打奶完立刻沖洗蒸汽棒，每周疏通出氣孔

Cause: Milk scale clog steam tip; Maintenance: Rinse wand immediately after frothing

故障成因：溫度偏低、水泵壓力異常、鍋爐水垢隔熱

日常保養：定期除水垢校正溫度，每月檢查水泵壓力

Cause: Low brew temp, boiler scale insulation; Maintenance: Regular descaling & pump pressure test

故障成因：分水網堵塞、水路積厚咖啡油垢

日常保養：每兩周使用咖啡清潔粉浸泡沖煮頭

Cause: Clogged oily shower screen; Maintenance: Biweekly group head chemical soak clean

故障成因：進水不足、水泵內水垢堆積、固定支架鬆動

日常保養：維持穩定進水壓力，定期拆洗水泵水垢

Cause: Low water supply, scale inside pump; Maintenance: Disassemble pump descale regularly

故障成因：加熱器老化、鍋爐滿水垢包覆、溫控探頭偏移

日常保養：嚴格執行除水垢周期，每年檢查加熱元件功率

Cause: Degraded heater, full boiler scale; Maintenance: Strict descaling schedule, yearly heater inspection

故障成因：保險絲燒毀、電源開關故障、過熱保護鎖死

日常保養：避免電壓負載過大，禁止長時間空機運轉

Cause: Blown fuse, thermal lockout; Maintenance: Stable power voltage, no dry run

故障成因：溫控器損壞、過熱保護開關失效、探頭水垢覆蓋

日常保養：每次除水垢擦拭溫度探頭，定期更換保護元件

Cause: Broken thermostat, scale covered probe; Maintenance: Wipe probe after descaling

故障成因：沖煮頭膠圈磨損、卡位積咖啡油垢變滑

日常保養：定期替換密封圈，每日清潔卡扣油垢

Cause: Worn group gasket, oily locking notch; Maintenance: Regular gasket replacement daily wipe lock area

故障成因：分水網變形堵塞、膠圈高低不平

日常保養：每月檢查分水網平整度，深度浸泡除油

Cause: Deformed clogged shower screen; Maintenance: Monthly flatness inspection deep oil soak clean

故障成因：水位浮球水垢卡滯、感應電極積垢

日常保養：每周取出水箱清潔浮球與感應金屬片

Cause: Scale stuck float sensor dirty electrode; Maintenance: Weekly tank float cleaning

故障成因：閥芯奶垢卡滯、內部密封墊老化

日常保養：打完奶開最大蒸汽沖洗閥芯，每月拆解清洗蒸汽閥

Cause: Milk scale stuck valve core aged seal; Maintenance: Blast steam flush core post frothing

故障成因：水路水垢滋生細菌、廢水盤發霉、殘留陳舊咖啡油

日常保養：每日清空清洗廢水盤，每月全水路消毒除垢

Cause: Bacteria scale mold drip tray stale coffee oil; Maintenance: Daily drip tray sanitize monthly full pipeline disinfection

故障成因：壓力調節閥水垢卡死、水泵隔膜老化

日常保養：除水垢同步保養壓力閥，兩年更換水泵隔膜耗材

Cause: Scale stuck regulator degraded pump diaphragm; Maintenance: Regulator service during descaling replace diaphragm every 2 years

故障成因：咖啡漿黏住感應彈片、線路接觸不良

日常保養：每次倒水擦拭感應金屬彈片，檢查線路接口

Cause: Coffee sludge stuck sensor spring loose wiring; Maintenance: Wipe sensor after empty tray check connector

故障成因：水蒸氣滲入面板、線路氧化、按鍵彈片老化

日常保養：避免蒸汽直吹控制面板，即時擦乾機身凝結水蒸氣

Cause: Steam seep into panel oxidized wiring; Maintenance: Prevent steam blow control board wipe condensation

故障成因：熱水分支管路堵塞、獨立加熱元件損壞（元朗客戶常見）

日常保養：除水垢時單獨沖洗熱水專用管路

Cause: Blocked hot water branch pipe broken auxiliary heater (Yuen Long common fault); Maintenance: Flush dedicated hot water circuit during descaling

故障成因：散熱孔咖啡粉灰堵塞、鍋爐隔熱棉老化、內部短路發熱

日常保養：每月清掃散熱通風口，機器四周預留散熱空間

Cause: Coffee dust block vent degraded boiler insulation; Maintenance: Monthly vent cleaning keep clearance around machine