1. Dust -proof test box booting instrument is not bright: Check whether the power supply power supply is normal, check whether the phase sequence is normal, and whether there is a zero line.
2. Do not blow dust: Check whether the wind turbine work normally or the fan is too small, check whether the dust is dry.
Third, non -vibration: Check whether the vibration motor is normal.
4. The sand dust test box should have a special person management operation, and regularly clean the box and the wind turmoil. Persons should be maintained on a regular basis.
5. In order to stabilize the function and performance of the test box, the temperature of the annual year should be between 15 and 25 degrees, and the relative humidity should be less than 85%.
6. The distance between adjacent walls or utensils. The environmental temperature of the installation place should not change sharply. Five. The place where there is no direct sunlight should be installed. It should be installed in a good ventilated place and stay away from the places where combustible materials, explosives and high temperature heating sources. It may be installed in a place near the power supply.
Seven, the device is not power: Check whether the power supply supply is normal, check whether the phase sequence is normal, and whether there are zero lines.