Use professional leakage detector to locate leakage points and confirm fault range

Check if power cords and terminals are aging, loose or damp

Replace aging insulation layers, damaged wires and faulty electronic components

Rewire and install leakage protection devices to ensure safe use

Comprehensive inspection and acceptance to ensure complete resolution of leakage issues

Check if power supply is normal and confirm if switches and fuses are faulty

Remove fan housing and check if impeller has excessive oil accumulation or stuck foreign objects

Detect motor operation status and check bearing wear and lubrication

Clean oil deposits inside impeller and casing, replace worn bearings and seals

Test operation effect and adjust speed and vibration values to standard range

Check if drainage pipes are blocked and confirm blockage location and severity

Use high-pressure cleaning equipment to unclog pipes and remove oil and debris blockages

Inspect drainage pump operation status, replace faulty pumps or repair motors

Check if drainage valves are stuck, replace damaged seals and valves

Test drainage effect to ensure smooth drainage and prevent future blockages

Check power supply and control switches to eliminate circuit faults

Detect motor winding insulation resistance to determine if burned or short-circuited

Replace burned motors or rewind windings to repair motor body faults

Check if transmission mechanism is stuck, replace worn belts or gears

Install overload protection devices and adjust motor operating parameters to standard values