2026-04-10Views：
The reasons for the automatic shutdown of the air compressor may be the following:
excessive exhaust temperature: This is the most common failure of air compressors and may cause automatic shutdown. There are many reasons for the high exhaust temperature, including the blockage of the cooler, the abnormal operation of the cooling fan, and the failure of the temperature sensor. In addition, if the air compressor is loaded for a long time, it may also cause the exhaust temperature to be too high.
The resistance of the air compressor head is too large: this may be caused by the high viscosity of the lubricating oil and the serious carbon deposition of the air compressor head. When the resistance is too large, the current may be overloaded, resulting in the occurrence of shutdown phenomenon.
Unloading valve is not closed or does not work properly: This may cause the air compressor to fail to intake air normally, resulting in shutdown. At this time, the unloading valve should be checked and replaced if necessary.
Electrical equipment failure: such as star delta switch failure, air switch setting start time is shortened, etc. may lead to air compressor tripping.
The pressure in the oil and gas barrel is too high: when the pressure in the oil and gas barrel exceeds the set value, the pressure relay will act, causing the air compressor to stop.
High temperature trip caused by lubricating oil: There is a temperature sensing probe on the spool of the temperature-controlled bypass valve. If the temperature of the lubricating oil is too high, the spool will not work normally, which will cause the trip.
Air compressor exhaust pressure is too low: when the exhaust pressure is lower than the set value, the pressure switch will act, causing the air compressor to stop.
It should be noted that the above are only some possible reasons, and the actual situation may vary due to factors such as equipment model and use environment. When troubleshooting problems, it should be carried out step by step from simple to complex, and timely contact professional maintenance personnel for inspection and maintenance.
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