In fact, as long as the equipment, it has a certain useful life, the longer the time the failure rate will be higher, seriously affecting the R & D and production; Anderson below for you to talk about the high temperature and humidity test chamber simple fault solution
1. In the high temperature test, if the temperature change fails to reach the test temperature value, the electrical system can be checked and the faults can be eliminated one by one. If the temperature rises very slowly, it is necessary to look at the air circulation system and see if the adjustment baffle of the air circulation is normally open. Conversely, check whether the motor operation of the air circulation is normal. If the temperature overshoots badly, then you need to set the PID setting parameters. If the temperature rises directly, over-temperature protection, then the controller fails and the control instrument must be replaced.
2, the low temperature can not reach the test index, then you have to observe the temperature changes, the temperature drop is very slow, or the temperature has risen after a certain value of the trend, the former must check, do low temperature test before After drying in the studio, the test chamber is kept dry and the test sample is placed in the work chamber. The test sample is placed in the work chamber. The test sample in the work chamber is placed too much, so that the air in the work chamber cannot be fully circulated. After eliminating the above reasons, It is necessary to consider whether it is a fault in the refrigeration system. In this case, it is necessary to ask a manufacturer's professional to perform the repair.
3, in the hot and humid test, the actual humidity will reach 100% or the actual humidity and target humidity difference is very large, the value is much lower, the former phenomenon: may be caused by dry gauze on the wet ball sensor, then check the wet Whether there is water shortage in the ball sensor's water tank, the water level in the water tank is automatically controlled by a water level controller, check whether the water level controller water supply system is normal, and whether the water level controller is working properly. Another possibility is that the wet ball gauze may cause the gauze to become hard due to the long use time or the purity of the water supply, so that the gauze cannot absorb moisture and dry, and the above phenomenon can be eliminated only by replacing or cleaning the gauze. The latter phenomenon is mainly because the humidification system is not working. Check the water supply system of the humidification system. Whether there is a certain amount of water in the water supply system. Control whether the water level of the humidifying boiler water level is normal and whether the water level in the humidifying boiler is normal. If all of the above is normal, then check the electrical control system, which requires maintenance personnel to perform the repair.
4. When the equipment suddenly fails during the test operation, a corresponding fault display prompt appears on the control instrument and there is a voice alarm prompt. The operator can quickly check out which type of fault belongs to in the troubleshooting chapter of the operation of the equipment, and then the professional can quickly eliminate the fault to ensure the normal operation of the test.
If the above method can not help you solve the problem, then quickly contact the relevant manufacturers of high and low temperature damp heat test box for professional maintenance, in order to quickly resolve the problem and return to normal use!
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