Keep these parts of the air compressor in good condition and don't worry about failure anymore.
1. The temperature is too high: it refers to the temperature of the oil and gas mixture at the outlet of the compressor, which is greater than or equal to 110 °C alarm and 120 °C trip.
2, the pressure is too high: refers to the compressor outlet pressure, higher than 10bar alarm, 15bar trip.
3, oil separator: compressed air from the compressor head entrains large and small oil droplets. Large oil droplets are easily separated by the oil and gas separation tank, while small oil droplets (suspended oil particles below 1 um in diameter) must be filtered through the micron and glass fiber filter layers of the oil and gas separation filter. This allows the compressor to discharge more pure, oil-free compressed air. The solid particles in the compressed air are retained in the filter layer as they pass through the oil core, which leads to an increase in the pressure drop (resistance) of the oil core. As the oil core usage time increases, the filter element must be replaced when the oil core differential pressure reaches 0.08 to 0.1 MPa.
4. Air filter: When the air filter is dirty or blocked, the resistance of the air passing through the filter increases, and the compressor inlet generates a negative pressure.
5. Oil filter: Due to the long-term operation of the air compressor, the impurities in the air are sucked into the compressor, causing the oil filter to be dirty and clogged, so that the pressure difference between the oil filter and the front is too large.
6, high oil temperature: due to long-term operation of the air compressor, oil quality aging, oil return road is not smooth, oil filter blockage, and compressed air from the air compressor will entrain a small part of the oil caused by the loss of air compressor oil, resulting in The oil temperature is high.
7. High exhaust temperature: It means that the air compressor has poor heat dissipation, and the air compressor oil and oil quality are not normal.
8. Low oil level: It means that the oil level in the air separator of the air compressor is low, and oil is not visible in the oil level gauge.
9. Pipeline pressure: Air compressor loading/no-load control exceeds machine operating pressure.
Air compressor common faults and quick solutions
1. Power failure: Air compressor power supply/control power supply is de-energized.
Treatment method: Check whether the power supply and control power supply have electricity.
2. Motor temperature: The motor starts too frequently, the load is too heavy, the motor cooling is not enough, the motor itself or the bearing has problems, the sensor and so on.
Treatment method: limit the number of motor starts and reduce the load setting pressure.
3. Compressor temperature: The temperature of the oil and gas mixture at the compressor outlet is 120 °C.
Treatment method: keep the air compressor well ventilated, check the radiator without debris, heat radiator heat, check air compressor oil level, cooling fan, temperature sensor.
4. Low starting temperature: The air compressor panel shows that the temperature is lower than 1 °C.
5. The pressure is too high: the compressor outlet pressure trips to 15 bar.
Treatment method: Check whether the load setting pressure is too high, pressure sensor, etc., contact the inspection and check the pressure regulating valve and the unloading valve.
6. Pressure sensor: There are problems with the pressure, temperature and sensor wiring of each line of the air compressor.
Treatment method: contact maintenance or manufacturer.
7. Motor steering error: The motor wiring is wrong or the star/delta cannot be switched normally when the motor starts, and the steering signal sensor fault on the compressor body causes the air compressor to report a motor steering error.
Treatment method: Contact the inspection to check whether the motor phase sequence wiring is correct.
8. Maintenance expiration: Air compressor maintenance time expires and exceeds 100 hours.
Treatment method: contact maintenance to maintain the air compressor. After the maintenance is completed, the maintenance personnel will reset the maintenance time.
9. Solenoid valve failure: The solenoid valve is loose or the lead connector is loose or disconnected.
Treatment method: contact maintenance.
10. Cooling system failure: The air compressor cooling fan does not rotate or there is one that does not turn, the fan is deformed, the fan relay is aging, and the wiring is loose.
