Due to production adjustments, when the number of permanent magnet variable frequency air compressors exceeds the demand, they will be shut down. How to maintain the stopped permanent magnet variable frequency air compressor? Taking the permanent magnet variable frequency screw air compressor as an example, the correct operation method is introduced, especially in areas with relatively low seasonal temperature, more attention should be paid to the handling of shutdown equipment.

The treatment method for the permanent magnet variable frequency screw air compressor shut down for more than one month:

1. Wrap the air compressor controller, distribution box and other electrical equipment with plastic paper or oil paper to prevent air intrusion;
2. When the permanent magnet variable frequency air compressor is shut down, the water in the oil cooler and aftercooler should be drained to prevent the cooler from freezing and cracking at low temperature.
3. If there is a fault before the permanent magnet variable frequency air compressor stops, it should be repaired and then placed to avoid emergency use in the future.
4. Two or three days after the air compressor stops, the condensed water in the oil and gas barrel, oil cooler and after cooler will be discharged.

In addition to the above procedures, if the permanent magnet variable frequency screw air compressor has been shut down for more than 3 months, the following treatment should also be carried out:

1. Close all openings of the air compressor to prevent moisture and dust from entering;
2. Before stopping use, replace the lubricating oil of the air compressor and run it for 30 minutes. After two or three days, remove the condensate in the gas cylinder and oil cooler;
3. Drain condensed water;
4. Store the air compressor in a place with less dust and dry air. The above are the processing methods for the permanent magnet variable frequency screw air compressor to stop for one month and three months respectively. In short, if the equipment is shut down for a long time, it needs to be sealed against dust, drain all moisture, and keep the machine dry. After a shutdown, the machine should be checked to make sure it is trouble-free and ready for use.

Permanent magnet variable frequency screw air compressor troubleshooting:

1. Poor oil quality, insufficient oil, clogged oil filter or poor oil passage, fan motor failure (contact failure), air filter clogged, temperature sensor failure, poor heat dissipation of the cooler, clogged radiator, overheating The control valve is faulty and the main engine is damaged.
2. The oil consumption of the whole machine is large, and the oil content in the exhaust gas is high: oil leakage or seal failure of the lubrication pipe; high oil content: whether the oil return pipe is smooth; the surface is too high; long-term low-pressure operation; oil failure; oil emulsification or deterioration; precision Faulty filter; unloading too often.

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