平價維修 LG 抽濕機，漏水唔抽濕 . 全系列支援
作者：香港駿弘電器維修公司
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发表时间：2026-07-18 21:39:20
20項抽濕機常見故障｜自行處理維修教程
20 Common Dehumidifier Faults & DIY Repair Guide
1. 抽濕機完全唔開機，按制無反應
1. Unit won’t power on, no response to buttons
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故障成因：電源插頭鬆脫、電源保險燒斷、開關掣損壞、水箱滿水保護觸發
自救步驟：1. 拔插電源重插；2. 檢查全屋電箱斷路器；3. 取出水箱重新放穩；4. 清潔水箱浮球感應器
Cause: Loose plug, blown fuse, broken power switch, full water tank protection
DIY Steps: 1. Re-plug power cord; 2. Check house circuit breaker; 3. Re-seat water tank; 4. Clean float sensor
2. 機器正常運轉，但完全唔抽濕
2. Fan running but no dehumidification effect
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故障成因：雪種漏光、壓縮機故障、濾網嚴重堵塞、室內濕度已低於設定
自救步驟：1. 取出濾網清水沖洗風乾；2. 調低目標濕度至40-50%；3. 關閉窗戶避免室外濕氣流入
Cause: Refrigerant leak, faulty compressor, clogged filter, ambient humidity too low
DIY Steps: 1. Rinse & air-dry filter; 2. Set humidity to 40-50%; 3. Close windows to block outside moisture
3. 抽濕機機身漏水，地面積水
3. Unit leaks water onto floor
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故障成因：導水管堵塞、蒸發盤積污、水箱放置傾斜、膠邊老化滲水
自救步驟：1. 取出水箱擦乾底部；2. 疏通底部排水孔；3. 擦淨機內蒸發盤黴菌污垢
Cause: Clogged drain pipe, dirty evaporator tray, tilted tank, aged rubber seal
DIY Steps: 1. Wipe tank bottom; 2. Clear drain outlet; 3. Clean mold & dirt inside tray
4. 水箱未滿，但機器顯示滿水停機
4. Tank empty but full water alert triggers shutdown
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故障成因：浮球感應器卡灰、水箱定位偏移、感應電路故障
自救步驟：1. 取出水箱輕搖浮球；2. 擦乾浮球污垢；3. 重新對準水箱卡槽放入
Cause: Dirty float sensor, misaligned tank, sensor circuit defect
DIY Steps: 1. Shake float inside tank; 2. Wipe dirt off float; 3. Re-align tank slot
5. 運行時噪音巨大、震動嚴重
5. Loud noise & heavy vibration during operation
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故障成因：風扇葉積灰失衡、機腳不平、壓縮機避震膠老化、內部零件鬆脫
自救步驟：1. 移動至平整地面；2. 清潔風扇灰塵；3. 檢查機腳墊片是否脫落
Cause: Dirty unbalanced fan, uneven floor, aged compressor rubber mount, loose internal parts
DIY Steps: 1. Place on flat ground; 2. Clean fan blades; 3. Check foot pads
6. 出風有異味、發霉臭味
6. Musty, moldy odour from outlet air
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故障成因：濾網、蒸發盤滋生黴菌、長期閒置未清潔
自救步驟：1. 清洗濾網；2. 用白醋擦拭蒸發盤；3. 開機乾風模式運行半小時
Cause: Mold growth on filter & evaporator tray, long idle period
DIY Steps: 1. Wash filter; 2. Wipe tray with white vinegar; 3. Run dry mode for 30 mins
7. 顯示故障代碼E1/E2/E3，自動停機
7. Error code E1/E2/E3 display & auto shutdown
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故障成因：溫度感應器故障、風路堵塞、壓縮機保護
自救步驟：1. 徹底清潔濾網；2. 關機斷電10分鐘重啟；3. 確保機身四周留10cm通風空間
Cause: Broken temperature sensor, blocked air flow, compressor protection
DIY Steps: 1. Deep clean filter; 2. Power off 10 mins then restart; 3. Leave 10cm gap around unit
8. 風扇轉速忽快忽慢、時轉時停
8. Fan speed unstable, intermittent rotation
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故障成因：風扇馬達老化、電路接觸不良、風量感應故障
自救步驟：1. 關機清潔風扇葉；2. 切換不同風速測試；3. 檢查電源線是否折損
Cause: Aging fan motor, loose wiring, airflow sensor fault
DIY Steps: 1. Clean fan blades; 2. Switch fan speed test; 3. Inspect power cord damage
9. 設定完成後無法儲存參數，重開機重置
9. Settings not saved, reset after power off
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故障成因：控制面板內備用電池耗盡、主板記憶晶片故障
自救步驟：1. 長期使用時保持插電；2. 避免經常拔電源；無法解決需維修主板
Cause: Dead backup battery on control panel, mainboard memory chip fault
DIY Steps: 1. Keep plugged in for daily use; 2. Avoid frequent power unplug; Mainboard repair needed if failed
10. 自動除霜功能失效，蒸發器結厚冰
10. Defrost function broken, thick ice on evaporator
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故障成因：除霜感應器損壞、低溫環境長時間運作、濾網堵塞散熱差
自救步驟：1. 關機開蓋自然融冰；2. 清洗濾網；3. 室溫低於16度減少連續運行
Cause: Broken defrost sensor, long operation in low temp, clogged filter
DIY Steps: 1. Power off & open cover to melt ice naturally; 2. Clean filter; 3. Reduce continuous run under 16°C
11. 遙控器完全無反應，無法操控機器
11. Remote control no response
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故障成因：遙控電池無電、紅外接收頭灰塵遮擋、遙控主板損壞
自救步驟：1. 更換全新電池；2. 擦乾機身紅外接收窗口；3. 近距離對準操作
Cause: Dead remote battery, dust covered IR receiver, broken remote PCB
DIY Steps: 1. Replace new batteries; 2. Wipe IR receiver window; 3. Operate at close range
12. 連續運行數小時，水箱幾乎無水
12. Running hours but barely collect water
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故障成因：室內濕度偏低、濾網堵塞、雪種不足、房間太大機器功率不足
自救步驟：1. 關閉門窗減少室外濕氣交換；2. 清洗濾網；3. 對比機器適用房間面積
Cause: Low indoor humidity, clogged filter, low refrigerant, undersized unit for room
DIY Steps: 1. Close windows & doors; 2. Clean filter; 3. Check rated coverage area of unit
13. 機身發熱嚴重，外殼燙手
13. Overheating, hot outer casing
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故障成因：進出風口被雜物遮擋、散熱灰塵堆積、壓縮機超負荷
自救步驟：1. 移走機身四周障礙物；2. 徹底清洗濾網及散熱片；3. 每運行4小時關機休息30分鐘
Cause: Blocked air inlet/outlet, dusty heat sink, overloaded compressor
DIY Steps: 1. Remove obstacles around unit; 2. Deep clean filter & heat fins; 3. Rest 30 mins after 4hrs run
14. 自動排水喉滴水、排水不順
14. Drain pipe dripping, poor water outflow
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故障成因：排水管彎折、內部藻類污垢堵塞、排水管高度落差不足
自救步驟：1. 拉直水管避免折彎；2. 清水沖洗管道疏通；3. 保持管道向下傾斜
Cause: Kinked pipe, algae clog, insufficient slope for drainage
DIY Steps: 1. Straighten pipe; 2. Flush pipe with clean water; 3. Keep pipe downward sloped
15. 觸控面板失靈，按掣無反應、亂跳數字
15. Touch panel unresponsive, random number flickering
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故障成因：面板表面有水汽、觸摸電路受潮、面板按鍵老化
自救步驟：1. 乾布擦乾面板水汽；2. 斷電10分鐘重啟；無法解決需更換控制面板
Cause: Moisture on panel, damp touch circuit, aged touch buttons
DIY Steps: 1. Wipe moisture off panel; 2. Power off 10 mins restart; Panel replacement needed if failed
16. 機器開機數分鐘後自動斷電熄機
16. Auto power off several mins after startup
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故障成因：過熱保護觸發、電源線接觸不良、主板短路保護
自救步驟：1. 清理散熱灰塵；2. 更換牆身插座測試；3. 減少連續運行時長
Cause: Overheat protection, loose power cord, mainboard short circuit protection
DIY Steps: 1. Clean heat dust; 2. Test another wall socket; 3. Shorten continuous running time
17. 風道吹出冷風但抽濕效率極低
17. Cold air output but weak dehumidifying performance
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故障成因：雪種輕微洩漏、冷凝器積灰散熱差、室內溫度過低
自救步驟：1. 清洗內外散熱片；2. 提升室溫至20度以上；洩漏需上門加雪種維修
Cause: Minor refrigerant leak, dusty condenser, low room temperature
DIY Steps: 1. Clean internal & external heat fins; 2. Raise room temp above 20°C; Refrigerant refill service required for leak
18. 水箱浮球卡住，無法感應水位
18. Stuck float cannot detect water level
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故障成因：水垢、黴菌積附卡實浮球、浮球支架變形
自救步驟：1. 取出浮球用熱水加白醋浸泡除水垢；2. 手動輕撥測試活動順暢
Cause: Limescale & mold stuck float, deformed float bracket
DIY Steps: 1. Soak float in hot water + white vinegar to remove limescale; 2. Manually toggle to test smooth movement
19. 機身內部出現金屬摩擦異響
19. Metal rubbing noise inside unit
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故障成因：風扇葉碰外殼、金屬支架鬆動、壓縮機內部零件磨損
自救步驟：1. 斷電打開外殼檢查風扇是否碰撞；2. 移除機內雜物；持續異響需專業拆機維修
Cause: Fan blade hitting casing, loose metal bracket, worn compressor parts
DIY Steps: 1. Power off open casing check fan collision; 2. Remove internal debris; Professional disassembly repair if noise persists
20. 長期閒置後開機完全無抽濕功能
20. No dehumidify after long idle storage
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故障成因：管路堵塞、壓縮機卡缸、雪種沉澱、零件受潮氧化
自救步驟：1. 清洗全套濾網及排水系統；2. 分段開機運行1-2小時觀察；無法修復需專業檢查壓縮機
Cause: Blocked pipeline, seized compressor, settled refrigerant, oxidised damp parts
DIY Steps: 1. Full filter & drain system cleaning; 2. Run segmented 1-2hrs test; Compressor inspection needed if failed
支援維修抽濕機品牌一覽
All Supported Dehumidifier Brands
松下 Panasonic
夏普 Sharp
東芝 Toshiba
三菱電機 Mitsubishi Electric
日立 Hitachi
LG
開利 Carrier
飛利浦 Philips
活仕 WIDEWORX
安詩曼 AUSMAN
德业 DY
百奥 Parkoo
多樂信 Dorosin
浦力适 Purest
松井 Songjing
歐井 Oujing
伊島
松京
格力
美的 Midea
海爾 Haier
小米 MIJIA
海信
奧克斯
志高
惠而浦 Whirlpool
專業維修工具｜標準維修順序
Professional Repair Tools & Standard Workflow
維修工具介紹
Repair Tools List
- 數字萬用錶：檢測電路、感應器、主板電壓
- Digital Multimeter: Test circuit, sensor & mainboard voltage
- 冷媒壓力錶：檢查雪種存量、管路洩漏
- Refrigerant Gauge: Check refrigerant level & pipe leak
- 疏通軟管：清理排水盤、導水管堵塞污垢
- Drain Cleaner Hose: Clear clogged drain tray & pipe
- 十字/一字螺絲批：拆卸機殼、面板、濾網支架
- Phillips & Flat Screwdriver: Disassemble casing & filter frame
- 除黴清洗劑：清潔蒸發盤、風道黴菌異味
- Mold Remover Cleaner: Clean mold in evaporator tray & air duct
- 避震膠墊、密封膠：維修漏水、減震降噪
- Rubber Mount & Sealant: Fix leakage & reduce vibration noise
標準維修流程（6大步驟）
6-Step Standard Repair Process
1
到場檢查：詢問故障狀況、實機測試確認問題
On-site Inspection: Confirm fault via machine test
2
拆解機身：清潔濾網、蒸發盤、排水管路積污
Disassembly & Deep Clean: Filter, tray & drain pipe
3
電路檢測：萬用錶測主板、感應器、壓縮機狀態
Circuit Test: Mainboard, sensor & compressor diagnosis
4
零件維修/更換：修復漏水、加雪種、替換故障零件
Part Repair / Replacement: Leak fix, refrigerant refill
5
組裝還原：安裝所有配件、檢查機身密封防漏水
Reassembly: Seal casing to prevent future leakage
6
測試運行：連續運行30分鐘確認故障完全修復
Final Test Run: 30 mins continuous operation check
客戶維修好評個案
Customer Repair Testimonials
全香港服務地區｜香港島｜九龍｜新界
Whole Hong Kong Service Coverage HK Island / Kowloon / NT
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、
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