How to detect whether the diving cooler pump is burnt out? You can touch the motor casing with your hands to see if it is hot. If the weather is very hot, the diving cooler pump has burned out. You just need to replace it with a new motor. When the diving cooler pump burns out, there will be an unpleasant smell. If there is a burning smell in the air, the diving cooler pump is burnt.

Turn on the power supply for trial operation to see if it can operate normally. If not stuck in normal working condition, the motor will hum. If it is not running, you can check the diving cooler pump cable for problems. If there is no problem, it may be that the motor is burned out or the contact wire is not in good contact. If there is noise, it means that there are particulate impurities in the impeller in the pump, and the particulate impurities can be removed.

The diving cooler pump is usually equipped with a pneumatic screw, which can be used to detect the water pressure of the water pump during factory inspection. They are usually located directly above or below the water pump. Disassemble the pneumatic screw, smell whether there is any peculiar smell, and whether there is liquid flowing out of the screw port. If there is a peculiar smell, it will damage the capacitor, and in severe cases, it will burn out the motor.