The refrigeration dryer has no effect, the fan is non stop, and there is no refrigeration drying eff

The reason why the fan does not rotate is that the fan pressure switch is broken, (when the temperature of the refrigeration compressor rises to the rated temperature range, the pressure switch will turn on, and the fan will run and dissipate heat). The premise is that the pressure switch is damaged if the refrigeration compressor can work normally. Of course, you mentioned later that it tripped, but here I don't know if you trip at the moment of boot or tripper after running after booting, if it trips at the moment of boot, it may be that the high-temperature protection switch is broken or the contact is not good, or it may be the electrical part, the electrical is very simple, you can check it yourself, and the replacement is changed.

If the compressor may have a high temperature before it is turned on and running for a while, you had better test the temperature of the compressor, under normal circumstances, it is about 60 to 70 degrees, but after more than 100 degrees, then there is a compressor refrigeration extrusion is less, and it can be added according to the refrigeration extrusion required by the compressor. I am also Hiross refrigeration dryer PD1100-7300 series failure analysis, what brand and model of yours I don't know, anyway, it's all the same, I hope it will help you.

It may be caused by a damaged compressor.

It may be caused by damage to the internal parts of the machine.

It is recommended to contact the maintenance personnel for maintenance.

Refrigeration dryer is the abbreviation of refrigeration dryer, refrigeration dryer is a reference to new technology, belongs to the air source treatment element in the pneumatic system.

1. Poor maintenance and long-term lack of lubricating oil This is the most common reason why the fan does not rotate, so it can be considered first. The fan shaft part is to ensure that there is lubricating oil, otherwise the fan blade on the motive cannot be dragged. If you are at home, you can choose to turn off the power and then turn the fan blades, if the rotation is stiff, there is basically no lubricating oil.

2. Wear caused by long-term use If a fan is used for a long time, the motor will be lost, and the shaft sleeve of the motor will be easily burned out after wearing. Moreover, at this time, the internal resistance of the motor also becomes larger, the load capacity becomes lower, and the fan blades are easy to rotate. Long-term wear can also make the gap between the shafts too large, preventing the blades from turning.

3. The fan caused by overheating does not rotate There is a motor in the fan device, and there will be an overheating circuit breaker in the motor, if there is a short circuit in the coil winding, the heat will increase in a short time, so that the motor will "strike" and bury Zheng. In addition, if the motor is too hot, the load capacity will deteriorate correspondingly, and the power will be low, and the blades will not be able to rotate. 4. Electrical faults, such as line damage, etc. No matter what electrical appliances are used, you should pay attention to maintenance in a high state, otherwise the slow aging of the motor will affect the use function.

5. The starting capacitor capacity becomes smaller When the fan is used for a long time, the capacitor capacity will decrease, resulting in the starting torque of the motor becoming smaller and unable to drive the load.

1.Check the fan.

2.Check the contactor.

3.Detect the air port temperature probe.

4.The compressor head has a cold and hot difference, and it is normal for the hot head to be hotThe compressor is overloaded, causing protection (check whether the refrigerant is lacking)6When the temperature of the outlet does not reach the standard, the fan does not rotate, and the stopped head is hot (hot).

Check whether the pressure switch is set to the right.

The fan of the air dryer keeps running, and the frost outside the compressor has an impact on the performance of the dryer?

Hello dear. There are 3 reasons why the cooling fan has been rotating due to frost outside the compressor and has an impact on the performance of the dryer: 1. The circuit of the machine controls the fan to run all the time, 2. The fan is controlled by a pressure switch, and the starting pressure of the fan with the pressure switch is set too low (generally 17kg) or the pressure switch is broken, and the contact of the shed becomes longer and closed, 3. The high pressure of compressed air or high ambient temperature or dirty condenser is too high and the fan has been running.

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