Basic troubleshooting method of high and low temperature test chamber

1、 When the high and low temperature test equipment suddenly fails during the test operation, the corresponding fault display prompt and audible alarm prompt appear on the control instrument The operator can quickly check the type of fault according to the chapter of troubleshooting in the operation and use of the equipment, and then ask the professional personnel to quickly remove the fault 2 High and low temperature test equipment In the high temperature test, if the temperature change cannot reach the test temperature value, the electrical system can be checked, and the fault can be removed one by one If the temperature rises slowly, check the air circulation system to see if the damper of the air circulation is open normally Otherwise, check the motor of the air circulation Thirdly, the actual humidity of the high and low temperature boxes will reach 100% in the damp heat test Or the actual humidity is quite different from the target humidity, and the value is much lower The former phenomenon: it may be caused by the drying of the gauze on the humidity sensor, so it is necessary to check whether the water in the water tank of the humidity sensor is short of water The water level in the water tank is automatically controlled by a water level controller to check whether the water supply system of the water level controller is normal and whether the water level controller works normally Another possibility is that the wet ball gauze will harden due to the long use time or the purity of the water supply quality, which will make the gauze unable to absorb water and dry As long as the gauze is replaced or cleaned, the above phenomena can be eliminated The phenomenon of the latter is that the humidification system does not work Check the water supply system of the humidification system, whether there is a certain amount of water in the water supply system, whether the water level control of the humidification boiler is normal, and whether the water level in the humidification boiler is normal If all of the above are normal, it is necessary to check the electrical control system, which should be repaired by professional maintenance personnel