2026-04-10Views：
It is inevitable that the air compressor will fail during use. We have summarized several common failures of the air compressor, which will definitely help you to quickly troubleshoot and repair the failure.
1. The exhaust temperature of the unit is high
(1) The temperature sensor does not work. Countermeasures: replacement is recommended;
(2) The lubricating oil specification is incorrect or deteriorated. Countermeasures: check the oil number and replace the oil product. The old oil must be completely drained and injected into the new oil;
(3) The lubricating oil level of the machine is low. Countermeasures: add oil to the 1/2-2/3 position of the mirror;
(4) the room temperature is high. Response measures: strengthen indoor ventilation;
(5) The oil filter is blocked. Countermeasures: removal and replacement;
(6) The cooler is blocked and the heat exchange is poor. Countermeasures: check and clean the cooler;
(7) The cooling fan is not working properly. Countermeasure: Troubleshoot or replace the fan.
2. The discharge temperature of the air compressor is lower than the normal value
(1) The ambient temperature is too low. Countermeasures: reduce the heat dissipation area of the cooler;
(2) empty time is too long. Countermeasures: increase air consumption;
(3) temperature sensor failure. Response measures: adjustment or replacement;
(4) temperature control valve failure. Countermeasures: replace;
(5) the oil flow is too large. Countermeasures: reduce the oil control valve flow.
3. The exhaust gas oil content is high, and the lubricating oil cycle is short
(1) The oil level is too high. Countermeasures: check the oil level and discharge it correctly. The oil level is 1/2-2/3 of the sight glass;
(2) The return line is blocked. Countermeasures: disassembly and cleaning;
(3) The check valve in the return line is damaged. Countermeasures: replace;
(4) The exhaust pressure is too low when the air compressor is running. Countermeasure: Set the pressure switch to the set value.
(5) The oil and gas separation filter element is damaged and invalid. Countermeasures: replace;
(6) pressure can maintain valve spring fatigue. Countermeasures: put on a new spring.
4. The starting current of the air compressor is large and tripped
(1) The problem of starting the air switch. Countermeasures: repair, inspection or replacement;
(2) The input voltage is too low. Countermeasures: adjust the input voltage;
(3) Star-delta conversion time is too short. Countermeasure: reset interval;
(4) The main motor or the main motor is faulty. Countermeasures: The belt can be removed or the connection with the motor can be disconnected, and a few laps can be manually started to verify whether the host is suspended or the friction is large;
(5) The intake valve opens greatly or is stuck. Countermeasures: regular maintenance and replacement of the intake valve repair kit;
(6) wiring loose. Countermeasures: Check whether there is heating and rewiring.
Screw air compressor is a general-purpose equipment that has been widely used in all walks of life. It has mastered the basic principles and is familiar with relevant operating procedures. It can analyze and deal with common faults according to the phenomenon, and can carry out routine maintenance independently, which not only greatly improves the production guarantee but also improves the personal professional level. As mechanical equipment, air compressors are only the basis for mastering theoretical knowledge through learning. Only with more operations and more practice can you truly use and maintain air compressors.
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