2026-04-10Views：
Common faults and solutions of oil-free air compressors can be summarized as follows:
current too high
possible causes: host failure, exhaust pressure is too high, voltage is too low.
Solution: Check whether the host is operating normally, adjust the exhaust pressure to the normal range, and ensure the stability of the power supply voltage.
Insufficient gas supply
air leakage: check all external pipes, gas storage tanks, check valves, etc. for air leakage, and repair or replace them in time.
Head cup wear: The service life of the cup is generally about 3 years and needs to be replaced regularly.
Exceeding the rated flow: adjust the usage to ensure that the rated flow of the air compressor is not exceeded.
Machine overload work: reasonable arrangement of the working time of the air compressor to avoid long-term overload operation.
Intermittent operation and insufficient air supply
starting capacitor leakage: replace the new starting capacitor, note that the UF number should be the same.
Insufficient voltage: In areas with frequent voltage fluctuations, it is recommended to install an automatic voltage stabilizer to ensure voltage stability.
Noise increases significantly
air compressor fixing device or accessories loose: check and tighten loose parts.
The operating current is abnormal: check the current condition to ensure that the current is stable and meets the regulations.
The motor bearing is severely worn: replace the worn motor bearing.
Broken cups: Replace damaged cups.
Before each work, the air pressure of the air tank must be reduced to zero to start.
Check valve blockage: remove the check valve after the valve cover to clean and reinstall to ensure that it is unobstructed.
In addition, for oil-free air compressors, it is also necessary to pay attention to regular maintenance and maintenance, including cleaning dust, checking whether fasteners are loose, and replacing aging seals. At the same time, the operator should be familiar with the operating instructions of the air compressor and follow the correct operating procedures to ensure the safe and efficient operation of the air compressor.
Please note that the above solutions are for reference only. In actual operation, if you encounter difficulties or are not sure how to deal with the fault, please contact professional maintenance personnel or equipment manufacturers for technical support and maintenance services.
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