Weifang Yangxing Electromechanical Equipment Co., Ltd.

Common faults and maintenance guide of air cooler

  • 2025-04-04 02:29:15
  • 79

Problem 1: cooling efficiency decreases

Cause: fin fouling/oil blockage

Countermeasure: reverse purging with compressed air every 500 hours

Problem 2: abnormal vibration

Cause: fan bearing worn or blade deformed

Countermeasures: stop the machine for inspection and replace the accessories with the balance up to standard

Problem 3: high oil temperature fluctuation

Cause: temperature control valve failure or insufficient air volume

Countermeasure: calibrate the temperature control sensor and check the circuit voltage

Preventive suggestions: check the insulation of the fan motor quarterly and replace the lubricating oil annually.


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