compressor

Is the computer room environment within the allowable range required for normal work

Is the high and low pressure gauge within the normal range during operation

Is the color of the refrigerant oil normal, the oil level line, and the refrigerant volume within the range

condenser

There is no dust accumulation between the fins, and debris causes blockage

Confirm that the motor is working normally, without any abnormal vibration or noise

cooling tower

Confirm that the fan motor is working normally, without any abnormal vibration or noise

evaporator

Is the evaporator frost accumulation normal and the working hours normal

Observe whether the air inlet can penetrate the air outlet and whether there is frost wrapping on the fan

Check if the drainage of the ceiling fan in the cold storage is blocked by ice

Exhaust pipe

Check if the frost on the surface of the pipeline is normal and if the evaporation temperature is normal

Electronic control system

Check if the microcomputer temperature setting is correct and the displayed value is correct

Confirm if the microcomputer defrosting cycle and clock are normal

Is the current and voltage within the normal range, and are there any loose wiring screws on various contactors

Is the leakage protector working properly

Are all types of connections in good condition

Is the lighting in the cold storage normal

refrigeration system

Check if the solenoid valve of the expansion valve is working properly

Check whether the cooling coal piping and insulation effect are good, and whether there is any exposed frost formation

Confirm if there is any abnormal noise in the cold storage

The working temperature of the cold storage is normal

Confirm whether the cold storage door switch is normal