故障原因：發熱管燒斷、溫控器斷路、熱熔保險熔斷、電源主板故障。保養建議：定期除鈣，避免乾燒；WPM Welhome機型可直接更換現貨發熱管，觀塘門店即日維修。

Fault Reason: Burned heating tube, broken thermostat, blown thermal fuse, mainboard failure. Maintenance Tip: Regular descaling, never dry boil; WPM Welhome model heating tube in stock, same day repair at Kwun Tong shop.

故障原因：高溫膠圈老化硬化、水管接頭鬆脫、蒸汽閥密封圈損毀。保養：每6-12個月更換全套膠圈，避免長期高溫老化滲水。

Fault Reason: Aged hard rubber gasket, loose pipe joint, damaged steam valve seal. Maintenance: Replace full gasket set every 6-12 months to prevent high temp leakage.

故障：泵浦磨損、進水濾網堵塞、單向閥鈣垢卡死。保養：每月清洗進水濾網，定期除鈣疏通水路；WPM Welhome高壓泵浦現貨可快速替換。

Fault: Worn pump, clogged inlet filter, limescale stuck one-way valve. Maintenance: Clean filter monthly, descale water circuit regularly; WPM Welhome high pressure pump ready for fast replacement.

成因：蒸汽管路鈣垢堵塞、蒸汽閥故障、鍋爐壓力不足。保養：每次打奶後沖洗蒸汽棒，每季深度除鈣。

Cause: Limescale clogged steam pipe, faulty steam valve, low boiler pressure. Maintenance: Purge steam wand after every milk froth, deep descale quarterly.

問題：泵浦軸承磨損、固定腳墊老化、鍋爐內水垢撞擊。保養：機底加防滑墊，定期除鈣減少水垢堆積。

Issue: Worn pump bearing, aged foot pad, limescale collision inside boiler. Maintenance: Anti-slip pad under machine, regular descaling reduce limescale.

故障：沖煮單元卡滯、齒輪磨損、粉槽堵塞。保養：每日清潔沖煮組，每周拆解擦拭殘粉。

Fault: Jammed brew unit, worn gear, clogged powder tray. Maintenance: Clean brew unit daily, disassemble wipe residual powder weekly.

保養重點：沖煮頭、分水網長期殘油積垢，每2天清潔分水網，每月使用咖啡清潔粉洗沖煮頭。

Maintenance Key: Residual coffee oil clog group head & shower screen; clean screen every 2 days, backflush weekly with coffee cleaner powder.

成因：刀盤卡油結塊、調節齒輪脫齒、馬達故障。保養：每兩周清潔磨豆刀盤，清除殘油。

Cause: Oily clogs on burrs, slipped adjust gear, motor fault. Maintenance: Clean grinder burr every two weeks remove oil residue.

主板、感溫探針、流量感應器故障，不同品牌代碼含義不同，帶機到觀塘門店檢查僅HK$300。

Mainboard, temp probe, flow sensor error; error codes vary by brand, self pickup inspection HK$300 at Kwun Tong shop.

浮球感應器鈣垢覆蓋、感應電極氧化；保養拆洗水箱感應組件，擦拭電極水垢。

Limescale covered float sensor, oxidized electrode; maintenance disassemble & clean tank sensor wipe limescale off electrode.

壓力開關、膨脹閥、鍋爐發熱組件損壞，餐廳商用機建議每半年保養一次鍋爐。

Damaged pressure switch, expansion valve, boiler heater; cafe commercial boiler maintenance every 6 months recommended.

Miele、Gaggenau、De Dietrich嵌入式常見門鎖彈簧斷裂，專用鎖扣零件現貨替換。

Broken latch spring common on Miele/Gaggenau/De Dietrich built-in models, original latch spare parts in stock.

Nespresso、Dolce Gusto穿刺針變形、彈簧鬆脫，避免大力按壓手柄損壞針頭。

Bent needle / loose spring for Nespresso/Dolce Gusto; avoid hard force pressing handle to protect needle.

主板繼電器老化、恆溫控制模塊故障；閒置超過4小時建議關閉電源延長機器壽命。

Aged mainboard relay, faulty temperature control module; turn off power if idle over 4 hours extend machine lifespan.

蒸汽頭小孔鈣垢堵塞，每一次使用後即時沖洗蒸汽棒，每周拆洗蒸汽頭。

Limescale clogged steam tip holes; purge wand after every use, disassemble clean steam tip weekly.

硬水地區必做定期除鈣，未除鈣會直接燒毀發熱管；本店提供專業機器深度除鈣保養服務。

Descale regularly for HK hard tap water, no descale will burn heating tube; we provide professional deep descaling maintenance service.

沖煮頭卡扣齒磨損、分水座變形；切勿強行旋轉把手加劇損耗，盡快更換配件。

Worn group head lock teeth, deformed shower base; do not force twist portafilter, replace parts early.

Raching、Vinvautz、S.T.Dupont咖啡恆溫櫃壓縮機、溫控模塊故障，本店同步維修儲存恆溫設備。

Compressor & temp module fault on Raching/Vinvautz/S.T.Dupont coffee storage cabinet; we repair constant temp storage machines too.

觸控面板受潮氧化、塑膠外殼老化斷裂，可替換原廠面板與外殼組件。

Moisture oxidized touch panel, aged cracked plastic casing; original panel & shell replacement available.

每日：沖洗蒸汽棒、清潔殘粉；每週：反沖洗沖煮頭、清潔磨豆機；每季：深度除鈣；每年：全面檢查膠圈、泵浦、發熱管。

Daily: Purge steam wand, clean residual coffee powder; Weekly: Backflush group head, clean grinder; Quarterly: Deep descale; Yearly: Full inspection of gaskets, pump, heating tube.