The high and low temperature damp heat test chamber is one of the indispensable equipments of the large laboratories. Its service life is generally 8~10 years. It is an overage test box beyond this age. It may be that there are some minor problems in the middle due to improper use of the user, aging and damage of components, etc. This is a normal thing. So, how to judge and avoid these problems?
High and low temperature damp heat test chamber use common problems
1. Leakage: refers to leakage of refrigerant, leakage of electricity caused by electrical (circuit, body) insulation damage.
2. Blocking: refers to the dirty blockage and ice blockage of the refrigeration system, the air filter is clogged, the air inlet and the air outlet are blocked by obstacles.
3. Burning: The winding of the compressor motor of the high and low temperature damp heat test chamber, the winding of the fan motor, the solenoid valve coil, the relay coil and the contacts are burned.
4. Break: refers to the disconnection of the electrical circuit, the fuse is blown, the contact of the overload protector is disconnected due to overheating or excessive current, and the contact of the pressure relay is disconnected due to the abnormal pressure of the refrigeration system of the high and low temperature damp heat test chamber. .
5. Card: It means that the compressor of the high and low temperature damp heat test chamber is stuck, the fan is stuck, and the bearing of the moving parts is stuck.
6. Damage: refers to the breakage of the compressor valve, the pulling of the piston, the breakage of the fan blades and the damage of various components.
Later, the author will introduce the solutions to common faults, so stay tuned!
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