沙田 WPM Welhome 咖啡機咖啡味道苦澀不均｜沖煮頭堵塞維修
作者：香港駿弘電器維修公司
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发表时间：2026-07-11 21:41:38
68. 沙田 WPM Welhome 咖啡機咖啡味道苦澀不均｜沖煮頭堵塞維修｜20項常見故障+保養大全
68. Sha Tin WPM Welhome Coffee Machine Repair: Bitter Uneven Coffee & Clogged Brew Head | 20 Common Faults & Maintenance Tips
一、WPM Welhome咖啡機20大常見故障
Part 1: 20 Common WPM Welhome Coffee Machine Faults
1. 咖啡萃取苦澀、味道不均Bitter & Uneven Coffee Extraction
研磨太細、沖煮頭堵塞、分水網積垢、壓粉不均導致
Caused by fine grind, clogged brew head, limescale on shower screen, uneven tamping
2. 沖煮頭堵塞、出水細小不出水Clogged Brew Head, Weak / No Water Flow
咖啡油脂、水垢長期累積堵塞分水網、出水孔
Coffee oil & limescale block shower screen & outlet holes
3. 機器加熱緩慢、溫度不足Slow Heating, Low Boiler Temp
加熱管水垢太厚、溫控器故障、加熱絲老化
Thick limescale on heater, faulty thermostat, worn heating coil
4. 蒸汽棒不出蒸汽、蒸汽微弱No / Weak Steam from Wand
蒸汽管水垢堵塞、蒸汽閥磨損、鍋爐壓力不足
Limescale clog steam pipe, worn steam valve, low boiler pressure
5. 萃取時漏水、沖煮頭滲水Water Leak During Extraction
沖煮膠圈老化、分水網墊圈破損、把手卡扣鬆動
Aged brew gasket, damaged shower screen seal, loose portafilter lock
6. 鍋爐底部滲水、機身漏水Boiler Bottom Water Leak
鍋爐接口墊片腐蝕、水管老化裂開
Corroded boiler fitting gasket, cracked aging water tube
7. 泵壓力異常、萃取流速失控Abnormal Pump Pressure, Unstable Flow Rate
水泵老化、壓力開關故障、進水過濾網堵塞
Worn water pump, faulty pressure switch, clogged inlet filter
8. 開機無反應、完全不通電No Power, Machine Not Turning On
保險絲燒毀、電源主板故障、開關接觸不良
Blown fuse, faulty mainboard, defective power switch contact
9. 開機跳電、漏電保護觸發Trips Circuit Breaker, Electric Leakage
加熱管破損漏電、電路受潮、線路老化短路
Damaged heater tube leakage, damp circuit, short aging wiring
10. 機器運行噪音大、震動強烈Loud Operation Noise & Heavy Vibration
水泵固定膠墊老化、鍋爐鬆動、水垢撞擊管壁
Aged pump rubber mount, loose boiler, limescale vibration
11. 把手難鎖緊、卡滯無法拆卸Stuck Portafilter, Hard To Lock / Remove
沖煮頭油脂碳化、鎖扣磨損、膠圈膨脹變形
Carbonized coffee oil, worn lock notch, swollen deformed gasket
12. 咖啡萃取速度過快、味道淡如水Too Fast Extraction, Watery Weak Coffee
研磨過粗、分水網孔過大、沖煮頭密封失效
Coarse grind, oversized shower holes, failed brew seal
13. 蒸汽棒出水混雜熱水、奶泡無法成型Steam Wand Dispenses Hot Water, No Milk Foam
蒸汽閥密封損壞、雙鍋爐溫控失衡
Damaged steam valve seal, unbalanced dual boiler temperature
14. 機身產生異味、焦糊味Burnt Strange Odor From Machine
電路線路過熱、咖啡油脂碳化積垢、加熱管燒蝕
Overheated wiring, carbonized coffee grease, burnt heater tube
15. 熱水出口不出熱水、水溫冰冷Hot Water Tap Dispenses Cold Water
輔助加熱器故障、熱水閥堵塞、溫控失準
Faulty auxiliary heater, clogged hot water valve, inaccurate thermostat
16. 分水網變色發黑、咖啡雜味重Black Discolored Shower Screen, Bad Coffee Aftertaste
長期未清潔油脂碳化、重金屬水垢累積
Unclean carbonized oil, heavy mineral limescale buildup
17. 水箱浮球失靈、滿水提示錯誤Faulty Water Tank Float, Wrong Water Level Alert
浮球開關卡滯、感應電路氧化、水箱雜質卡住
Stuck float switch, oxidized sensor circuit, debris jam
18. 鍋爐壓力持續飆高、安全閥噴水Overhigh Boiler Pressure, Safety Valve Sprays Water
壓力控制器損壞、安全閥彈簧老化卡滯
Broken pressure controller, stuck aged safety valve spring
19. 面板指示燈閃爍異常、故障代碼亂跳Flashing Error Lights, Random Fault Codes
主板線路接觸不良、溫度感應器故障、電壓不穩
Loose mainboard wiring, broken temp sensor, unstable voltage
20. 進水緩慢、水箱抽水無力Slow Water Intake, Weak Water Suction
進水過濾網堵塞、水泵葉輪積垢、水管折彎壓扁
Clogged inlet filter, scaled pump impeller, crumpled water tube
二、WPM Welhome咖啡機日常保養知識
Part 2: WPM Welhome Coffee Machine Daily Maintenance Tips
- 1. 每次萃取後立即沖洗沖煮頭、分水網，每日拆卸清潔把手
- 2. 每3天清洗蒸汽棒，用完即釋放蒸汽清除殘留奶漬
- 3. 每200杯使用咖啡清潔粉浸泡沖煮頭除油垢
- 4. 香港硬水環境每2個月完整除水垢，保護鍋爐與水泵
- 5. 每月檢查沖煮膠圈、墊圈，硬化滲水立即更換
- 6. 研磨粗細定期校正，避免過細造成苦澀堵塞
- 7. 長期停用清空水箱、釋放鍋爐殘水，避免水垢滋生
- 8. 機身外部使用軟布擦拭，禁止直接沖水淋洗電路區
- 1. Rinse brew head & shower screen after every shot, clean portafilter daily
- 2. Clean steam wand every 3 days, purge steam to remove milk residue after use
- 3. Soak brew head with coffee cleaner every 200 shots to remove oil buildup
- 4. Descale full machine every 2 months for Hong Kong hard water, protect boiler & pump
- 5. Inspect brew gasket monthly, replace immediately if hardened or leaking
- 6. Adjust grind size regularly to prevent bitter taste & clogging from fine grind
- 7. Empty water tank & drain boiler residual water for long idle period to avoid limescale
- 8. Wipe exterior with soft cloth, never flush electronic parts with water
全系列咖啡機專業維修品牌總表
Full List Of Coffee Machine Brands We Repair
一、全自動高端家用 / 嵌入式（香港豪宅嵌入式主流）
1. Fully Auto High-End / Built-In (Hong Kong Luxury Home Mainstream)
Miele 美諾Jura 優瑞Delonghi 德龍Saeco 喜客Philips 飛利浦
Bosch 博世Siemens 西門子AEGLiebherr 利勃海爾De Dietrich 帝澤
Smeg 斯麥格Gaggenau 嘉格納
二、意式半自動家用發燒品牌（WPM Welhome同類主線維修）
2. Semi-Auto Home Barista Brands (Main Repair Line Same As WPM Welhome)
WPM WelhomeBreville 鉑富Rocket 火箭Gaggia 加吉亞Bezzera 貝澤拉
ECMProfitecQuick MillAscaso 艾斯卡索La Pavoni 拉帕沃尼
Lelit 萊利特Gemilai 格米萊Caffè Casa 卡法Nuova Simonelli Musica
三、商用咖啡機｜Cafe、餐廳維修
3. Commercial Coffee Machines For Cafés & Restaurants
頂級精品商用：
La Marzocco 辣媽SlayerKees Van Der WestenSynesso
中高端連鎖商用：
Nuova Simonelli 諾瓦Faema 飛馬Wega 畢加索Astoria 奧斯托利亞Rancilio 蘭西利奧
Cimbali 金巴利Conti 康迪Brasilia 巴西利亞Vibiemme 維比美Expobar 愛寶
專業維修工具設備
Professional Repair Tools & Equipment
- 數位壓力測試儀、溫度檢測儀、電路萬用表
- 專業除水垢藥劑、咖啡機除油清潔粉、密封膠圈備件庫
- 水泵、鍋爐、蒸汽閥、溫控器全系列替換零件
- 精密內六角工具、拆機專用起子、橡膠拆裝墊
- 商用高壓清洗機、管路疏通專用鋼絲
- Digital pressure tester, temperature gauge, multimeter
- Professional descaling agent, coffee cleaner, full gasket spare parts stock
- Full replacement parts: pump, boiler, steam valve, thermostat
- Precision hex tools, disassembly screwdrivers, rubber mounting pads
- Commercial high-pressure washer, pipe unclogging wire
標準維修流程順序
Standard Repair Step Order
1
檢測報價
機器到店/上門全面檢查，確認故障、提供透明報價
Inspection & Quotation
Full machine test in-store / on-site, transparent price quote after fault confirmation
2
客戶確認維修方案
同意報價後展開拆解維修，不同意僅收取$300檢查費
Customer Repair Confirmation
Disassembly repair start after agreement; only HK$300 inspection fee if reject quote
3
深度拆解清潔除垢
拆洗沖煮頭、鍋爐、管路、蒸汽棒，清除油垢水垢
Deep Disassembly Clean & Descaling
Full strip clean brew head, boiler, pipes & steam wand, remove all oil & limescale
4
故障零件替換維修
更換老化膠圈、水泵、加熱管、電路板等損壞配件
Faulty Parts Replacement
Replace worn gaskets, pump, heater tube, mainboard & damaged components
5
全機測試校正
測萃取壓力、水溫、蒸汽、流速，校正至標準參數
Full Machine Calibration Test
Test extraction pressure, temp, steam & flow rate, calibrate to factory standard
6
交付保固
維修完畢交機，提供維修零件保固
Delivery With Warranty
Machine return after repair, official warranty for replaced parts
客戶維修好評｜成功維修個案
Customer Reviews & Successful Repair Cases
★★★★★
沙田李先生｜WPM Welhome咖啡機苦澀堵塞
Mr. Li, Sha Tin | WPM Welhome Bitter Coffee & Clogged Brew Head
屋企WPM Welhome沖出來咖啡又苦又不均，分水網完全塞住，送去觀塘門店檢查$300，師傅深度除垢換膠圈，而家萃取超順，味道正常！
My WPM Welhome produced bitter uneven coffee with fully clogged shower screen. Only HK$300 inspection at Kwun Tong shop, technician deep descaled & replaced gaskets, extraction smooth now!
★★★★★
將軍澳Cafe老闆｜商用Nuova Simonelli
Cafe Owner Tseung Kwan O | Commercial Nuova Simonelli
店內商用機水泵壞掉停業，師傅即日上門維修，收費公道，之後定期幫我做機器保養，長期合作！
Shop commercial pump broken, technician on-site repair same day, fair price. Regular maintenance service since then, long-term partner!
★★★★★
中環業主｜Miele嵌入式咖啡機漏水
Central Homeowner | Miele Built-In Leakage Repair
豪宅嵌入式美諾咖啡機底部滲水，搵好多師傅修唔好，駿弘一次更換鍋爐墊片徹底解決，服務專業有禮！
Luxury home Miele built-in boiler leakage, multiple technicians failed. HKRepair999 replaced boiler gasket fully fixed, professional & polite service!
全香港上門維修服務地區
On-Site Repair Service Cover All Hong Kong Districts
香港島 Hong Kong Island
中西區：中環、上環、西營盤、堅尼地城、山頂
灣仔區：灣仔、銅鑼灣、跑馬地、大坑、會展
東區：北角、鰂魚涌、筲箕灣、柴灣
南區：香港仔、鴨脷洲、深水灣、淺水灣、赤柱
九龍 Kowloon
油尖旺：油麻地、尖沙咀、旺角
深水埗：深水埗、長沙灣、荔枝角
九龍城：九龍城、九龍塘、何文田、紅磡
黃大仙：黃大仙、慈雲山、樂富、新蒲崗
觀塘：觀塘市中心、藍田、將軍澳
新界 New Territories
荃灣、馬灣｜屯門、元朗、天水圍
北區：上水、粉嶺、打鼓嶺
大埔、沙田、大圍、馬鞍山
西貢、將軍澳
門店地址、營業時間、聯絡方式
Shop Address, Business Hour & Contact Info
門店地址
九龍觀塘駿業裏10號業運工業大廈5D
5D, Yip Wan Industrial Building, 10 Tsun Yip Lane, Kwun Tong, Kowloon
營業時間
星期一至星期六 全日營業（週日休息）
Monday - Saturday Full Day, Closed on Sunday
聯絡電話
WhatsApp 一鍵對話電子郵箱
haolong2002@gmail.com
