WPM Welhome咖啡機常見故障一覽｜香港觀塘專業咖啡機維修｜駿弘電器維修｜觀塘自提檢查$300

特大喜訊｜咖啡機觀塘自提檢查費只須HK$300！全港上門維修WPM Welhome/Miele/Jura/商用咖啡機

BIG NEWS｜Coffee Machine Inspection Fee Only HK$300 (Kwun Tong Self Drop-off)

特大喜訊｜觀塘自提檢查HK$300BIG NEWS｜$300 Inspection in Kwun Tong

WPM Welhome咖啡機常見故障一覽｜香港專業維修對症解決

WPM Welhome Coffee Machine Common Faults | Professional HK Repair Service

香港九龍觀塘門店直營，家用半自動、全自動、商用咖啡機專業維修，WPM Welhome主力維修品牌，上門/工廈自提兩種服務模式

Direct store in Kwun Tong Kowloon HK, repair semi-auto, fully auto & commercial coffee machines, WPM Welhome is our main repair brand, self drop-off & home visit available

WhatsApp 即時諮詢門店地址與營業時間 Store Address & Opening Hours

WPM Welhome咖啡機20個常見故障與專業保養知識

20 Common WPM Welhome Coffee Machine Faults & Maintenance Tips

故障原因：水泵老化、分水網堵塞、密封圈漏壓、粉碗填粉量不足；保養建議：每3個月清潔分水網，半年檢查水泵壓力，更換老化膠圈

Cause: Aging pump, clogged shower screen, leaking gasket, insufficient coffee dose; Maintenance: Clean shower screen every 3 months, check pump pressure every 6 months, replace worn rubber rings

故障原因：咖啡粉研磨過細、分水網咖啡油垢堵塞、沖煮頭水垢堆積；保養：每日沖洗沖煮頭，每週使用清粉劑除油垢

Cause: Over-fine grind, oily clogged shower screen, limescale on group head; Maintenance: Rinse group head daily, backflush weekly with detergent

故障原因：加熱管水垢厚、加熱絲老化、溫控器故障；保養：每2-3個月完整除水垢，定期檢測溫控精度

Cause: Thick limescale on boiler, broken heating element, faulty thermostat; Maintenance: Full descaling every 2-3 months, calibrate thermostat regularly

故障原因：蒸汽孔牛奶結垢堵塞、鍋爐壓力不足、蒸汽閥老化；保養：每次打奶後立即沖洗蒸汽棒，每週拆解清潔噴孔

Cause: Milk residue clogged steam tip, low boiler pressure, worn steam valve; Maintenance: Rinse wand right after steaming milk, disassemble & clean tip weekly

故障原因：進水管接頭鬆動、沖煮頭密封圈破損、鍋爐滲漏、廢水盤破裂；保養：每月檢查所有水管接頭，及時更換硬化膠圈

Cause: Loose pipe joint, broken group gasket, boiler leak, cracked drip tray; Maintenance: Inspect all pipe connections monthly, replace hard rubber gaskets timely

故障原因：電源線斷裂、保險絲燒毀、主板電路故障、開關損壞；保養：避免機器長時間超負荷運作，遠離潮濕環境

Cause: Broken power cord, blown fuse, mainboard failure, damaged power switch; Maintenance: Avoid long-hour overloading, keep machine dry

故障原因：水泵固定支架鬆脫、內部零件鬆動、缺水空轉；保養：機器擺放平整，禁止無水空燒運轉

Cause: Loose pump bracket, loose internal parts, dry running without water; Maintenance: Place machine on flat surface, never run empty without water

故障原因：鍋爐生鏽、分水網氧化、長期未除水垢；保養：固定週期除水垢，閒置超過3天需徹底沖洗機體水路

Cause: Rusty boiler, oxidized shower screen, long-term limescale build-up; Maintenance: Regular descaling, full flush if idle over 3 days

故障原因：膠圈膨脹變形、咖啡油垢凝固卡死；保養：每日清潔手柄與沖煮頭接觸面，每半年更換密封圈

Cause: Swollen deformed gasket, solidified coffee oil; Maintenance: Wipe contact surface daily, replace gasket every 6 months

故障原因：熱水管道水垢堵塞、加熱模塊故障、溫控失靈；保養：除水垢時同步清洗熱水出水管路

Cause: Clogged hot water pipe limescale, faulty heater module, broken thermostat; Maintenance: Clean hot water line during descaling

故障原因：感應探頭咖啡殘渣覆蓋、感應器電路損壞；保養：每次清空廢水盤後擦拭感應金屬探頭

Cause: Coffee residue covered sensor probe, damaged sensor circuit; Maintenance: Wipe metal probe every time emptying tray

故障原因：蒸汽閥內膠墊磨損、牛奶污垢卡阻閥芯；保養：每週拆解蒸汽閥清潔內部殘奶

Cause: Worn valve rubber pad, milk residue stuck valve core; Maintenance: Disassemble & clean steam valve weekly

故障原因：泵壓不穩、分水網堵塞、膠圈漏壓、咖啡豆不新鮮；保養：每日清潔分水網，定期檢測泵壓穩定性

Cause: Unstable pump pressure, clogged shower screen, leaking gasket, stale coffee bean; Maintenance: Clean shower screen daily, test pump pressure stability regularly

故障原因：進水濾芯水垢堵塞、進水泵動力不足、自來水水壓偏低；保養：每2個月更換/清洗進水過濾芯

Cause: Limescale clogged inlet filter, weak intake pump, low tap water pressure; Maintenance: Clean/replace inlet filter every 2 months

故障原因：溫控器卡頓、溫度感應探頭失效、散熱口堵塞；保養：保持機器四周散熱空間，勿堆積雜物遮擋散熱孔

Cause: Stuck thermostat, broken temperature probe, blocked ventilation; Maintenance: Keep ventilation space around machine, no blockage on vents

故障原因：分水網變形、出水孔堵塞分佈不均、手柄放置歪斜；保養：避免硬物刮擦分水網，定期平整修復變形網片

Cause: Deformed shower screen, uneven clogged holes, tilted portafilter; Maintenance: Do not scratch screen with hard tools, reshape deformed mesh regularly

故障原因：蒸汽壓力不足、噴孔半堵塞、蒸汽溫度不足；保養：每週拆解蒸汽噴孔深度除奶垢

Cause: Low steam pressure, half-clogged steam tip, insufficient steam heat; Maintenance: Deep clean steam tip milk residue weekly

故障原因：廢水盤長期不清理、水路殘留咖啡油脂發霉；保養：每日清空廢水盤，每週完整沖洗全部水路系統

Cause: Long-uncleaned drip tray, mouldy coffee oil in water circuit; Maintenance: Empty drip tray daily, full circuit flush weekly

故障原因：水泵軸承缺油、泵體內水垢卡阻、進水氣泡空蝕；保養：禁止缺水運行，定期給水泵軸承保養潤滑

Cause: Dry pump bearing, limescale stuck pump, air cavitation from low water; Maintenance: No dry running, lubricate pump bearing regularly

保養重點：長期不用需排空機內殘水、除水垢、擦拭乾淨分水網與蒸汽棒；復用前完整沖洗3次水路，避免殘留咖啡油硬化堵塞

Maintenance Tip: Drain all residual water & descale before long storage, wipe shower screen & steam wand; Flush full circuit 3 times before reuse to avoid hardened oil blockage

WPM Welhome機體拆解檢測

WPM Welhome Machine Disassembly Inspection

鍋爐除水垢保養

Boiler Descaling Maintenance

沖煮頭密封圈更換

Group Head Gasket Replacement

全系列咖啡機維修品牌總表｜香港家用/嵌入式/商用專修

All Coffee Machine Brands We Repair | Home / Built-in / Commercial Service HK

一、全自動高端家用 / 嵌入式（香港豪宅主流）

1. Premium Fully Auto / Built-in (Hong Kong Luxury Home)

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友（主力維修WPM Welhome）

2. Semi-Auto Home Barista Machines (Main Repair Brand: 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、餐廳專修）

3. Commercial Coffee Machines (Cafe & Restaurant Service)

頂級精品商用：

Premium Commercial:

La Marzocco 辣媽SlayerKees Van Der WestenSynesso

中高端連鎖商用：

Mid-High Chain Commercial:

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

四、膠囊咖啡機（家庭/辦公室）

4. Capsule Coffee Machines (Home & Office)

Nespresso 奈斯派索Dolce Gusto 多趣酷思Lavazza A Modo MioIlly 意利Tassimo 達斯莫

五、美式滴濾 / 小型辦公咖啡機

5. Drip Filter / Small Office Coffee Machines

Melitta 美樂家KitchenAid 凱膳怡Hamilton BeachCuisinart 美膳雅Mr.CoffeePanasonic 松下Zojirushi 象印Bialetti 比亞樂蒂Bodum 波頓

六、國產咖啡機品牌（香港小店、家用平價）

6. Domestic Coffee Machine Brands (Budget Home & Small Shop)

WPM WelhomeGemilai 格米萊Caffè Casa 卡法Barsetto 百勝圖HiBREW 海布魯SAIARA蘇泊尔 SUPOR小熊 Bear摩飛 Morphy Richards柏翠 Petrus

七、冷萃、磨豆機、咖啡恆溫儲存配套設備

7. Cold Brew, Coffee Grinder & Constant Temp Storage Devices

MarcoFetcoMahlkönig 邁赫迪Eureka 尤里卡Raching 美晶Vinvautz 維諾茨S.T.Dupont 都彭Oasis 澳格思

專業咖啡機維修工具｜精密檢測設備

Professional Coffee Machine Repair Tools & Precision Test Equipment

泵壓精密測試儀

Pump Pressure Tester

檢測萃取、鍋爐蒸汽標準壓力

Test extraction & boiler steam pressure

深度除水垢清洗套裝

Professional Descaling Kit

鍋爐、水路全管道除鈣垢

Full circuit boiler limescale removal

高精度數字萬用表

High Precision Multimeter

主板、溫控、電路故障檢測

Mainboard & thermostat circuit testing

專用拆解工具組

Machine Disassembly Tool Set

閥芯、蒸汽棒、沖煮頭拆解維修

Steam valve & group head disassembly