{"product_id":"motor-top-cover-servo-and-pcb-for-dolphin-m600","title":"Motor Top Cover, Servo and PCB for Dolphin M600","description":"\u003cp\u003eGenuine Dolphin motor top cover, servo and PCB assembly for compatible robotic pool cleaners, including the Dolphin M600 and M700. This replacement assembly combines the servo mechanism and printed circuit board to restore directional drive control.\u003c\/p\u003e\u003ch2\u003eCompatible Models\u003c\/h2\u003e\u003cp\u003eDesigned to fit the following robotic pool cleaners:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDolphin M600 \/ M700\u003c\/li\u003e\n\u003cli\u003eDolphin Active X6\u003c\/li\u003e\n\u003cli\u003eDolphin Ultimate\u003c\/li\u003e\n\u003cli\u003eAquawize AW6\u003c\/li\u003e\n\u003cli\u003eDolphin Wave 90i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Installation Note\u003c\/h2\u003e\u003cp\u003eReplacing individual internal electrical components of a sealed robotic motor block carries technical risks (such as compromising the watertight seal). If you are not comfortable performing this component-level repair, pool service professionals generally recommend replacing the entire sealed motor unit instead.\u003c\/p\u003e\u003ch2\u003eMain Reasons for Replacement\u003c\/h2\u003e\u003cp\u003eThe symptoms below can have several causes. A technician should diagnose the fault before replacing the assembly.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eFault\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSymptoms\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePossible cause\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1. Water ingress\u003c\/td\u003e\n\u003ctd\u003eRobot stops working, intermittent operation or complete failure\u003c\/td\u003e\n\u003ctd\u003eMoisture enters the motor block and corrodes the PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2. PCB electronic failure\u003c\/td\u003e\n\u003ctd\u003eRobot powers up but fails to operate correctly\u003c\/td\u003e\n\u003ctd\u003eDamaged electronic components or motor-control circuitry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3. Servo mechanism failure\u003c\/td\u003e\n\u003ctd\u003ePoor steering, unusual movement or failure to change direction\u003c\/td\u003e\n\u003ctd\u003eFault in the servo or its control circuitry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4. Electrical damage\u003c\/td\u003e\n\u003ctd\u003eRobot stops unexpectedly or fails to restart\u003c\/td\u003e\n\u003ctd\u003eElectrical short, damaged circuitry or power-related fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5. Intermittent operation\u003c\/td\u003e\n\u003ctd\u003eRobot starts, stops or behaves unpredictably\u003c\/td\u003e\n\u003ctd\u003eFailing PCB components or internal electrical connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6. Corrosion\u003c\/td\u003e\n\u003ctd\u003eIncreasingly unreliable operation, eventually complete failure\u003c\/td\u003e\n\u003ctd\u003eCorrosion on PCB tracks, connectors or electronic components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eHow to Confirm the PCB Needs Replacing\u003c\/h2\u003e\u003cp\u003eBefore ordering the assembly, a technician should:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eTest the power supply and floating cable.\u003c\/li\u003e\n\u003cli\u003eCheck that the tracks, brushes and impeller rotate freely.\u003c\/li\u003e\n\u003cli\u003eInspect the motor block for moisture or corrosion.\u003c\/li\u003e\n\u003cli\u003eTest the drive and impeller motors for faults.\u003c\/li\u003e\n\u003cli\u003eCheck the servo operation and electrical connections.\u003c\/li\u003e\n\u003cli\u003eConfirm the motor block can be resealed correctly.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs this a complete sealed motor unit?\u003c\/h3\u003e\u003cp\u003eNo. This listing is for the motor top cover, servo and PCB assembly, not the entire sealed motor unit.\u003c\/p\u003e\u003ch3\u003eDoes this assembly fit the Dolphin M700?\u003c\/h3\u003e\u003cp\u003eYes. Dolphin M700 is included in the compatible-model list, alongside M600, Active X6, Ultimate, Aquawize AW6 and Wave 90i.\u003c\/p\u003e\u003ch3\u003eDoes intermittent operation mean the PCB must be replaced?\u003c\/h3\u003e\u003cp\u003eNot necessarily. Before ordering, a technician should check the power supply, floating cable, moving parts, motors, servo, internal connections and motor-block sealing as outlined above.\u003c\/p\u003e","brand":"Pool Ranger","offers":[{"title":"Default Title","offer_id":67946950852883,"sku":"9991822-ASSY","price":389.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/0591\/1827\/files\/Screenshot2026-11-05151523.png?v=1793852149","url":"https:\/\/poolshop.com.au\/products\/motor-top-cover-servo-and-pcb-for-dolphin-m600","provider":"Pool Shop Australia","version":"1.0","type":"link"}