2026-04-10Views：
Air compressor failure shutdown may be caused by a variety of reasons, the following are some common faults and their solutions:
high 1. exhaust temperature
temperature sensor failure: It is recommended to replace the temperature sensor.
Lubricating oil problem:
incorrect or deteriorating lubricating oil specifications: Check the oil number and replace the oil product to ensure that the old oil is completely drained before injecting new oil.
Low lubricating oil level: add oil to the 1/2~2/3 position of the sight glass.
Cooling system problems:
high temperature in the machine room: strengthen indoor ventilation to reduce the ambient temperature.
The cooler is blocked and the heat exchange is poor: check and clean the cooler to ensure its heat dissipation effect.
The cooling fan is not working properly: Troubleshoot or replace the fan.
Oil filter blockage: Remove and replace the oil filter.
2. exhaust temperature below normal
the ambient temperature is too low: reduce the heat dissipation area of the cooler or adjust the cooling system.
Too long empty time: increase air consumption to increase compressor load.
Temperature sensor or temperature control valve failure: adjust or replace the faulty component.
Excessive oil flow: Reduce the flow of the oil control valve.
High oil content of 3. exhaust gas or short lubricating oil adding cycle
the oil level is too high: check the oil level and drain it correctly, and keep it at 1/2~2/3 of the sight glass.
Clogged or damaged return line: Remove and clean the return line or replace the damaged part.
Pressure can maintain valve spring fatigue: replace the new spring.
The exhaust pressure is too low when the air compressor is running: set the pressure switch to the set value to ensure normal exhaust pressure.
4. starting current is large and tripping
start air switch problem: repair or replace the faulty switch.
Input voltage is too low: adjust the input voltage to normal value.
Star-delta transition time is too short: reset the interval to ensure a smooth start.
Main motor failure: Check the main motor and repair or replace damaged parts.
The intake valve is open or stuck: Regularly maintain and replace the intake valve repair kit to ensure its normal operation.
Loose or hot wiring: Check the wiring and rewire to ensure a safe connection.
In addition, the prevention and maintenance of air compressor failure is also very important:
regularly check whether the power supply is normal and whether the pressure sensor is damaged to avoid unexpected shutdown.
Regularly clean and replace the filter element to reduce the impact of dust and dirt on compressor performance.
Strengthen the daily maintenance and regular inspection of equipment in order to identify and deal with potential failures in a timely manner.
In summary, to deal with the failure and shutdown of the air compressor, it is necessary to diagnose the specific failure phenomenon and take corresponding solutions to ensure the normal operation of the equipment and extend the service life.
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