1. Check the environment around the cabinet, use a thermometer, hygrometer, recorder to check the ambient temperature -10 ° C ~ +50 ° C, ambient humidity below 90%, whether it is frozen.
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Described including the upper shell, the upper shell at the top of the smoke outlet, as described in the bottom of the upper shell with airway, described with the smoke outlet in the airway and also to match the upper shell, the lower part of the shell described the airway in the direction of the lower shell extension, as described in the lower shell near one end of the upper shell is equipped with oil mouth, described the lower shell with batteries, described at the bottom of the bottom shell has come in The air port is provided with an oil storage bin in the lower shell, and the air passage passes through the oil storage bin and is provided with a heating atomization bin at one end away from the smoke outlet. The utility model has beneficial effects: it can meet the smoking habit of different users, avoid the premature end of the use experience caused by excessive consumption of smoke oil, and indirectly prolong the service time and life of the product.
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2. Check all devices for abnormal vibration, abnormal sound
3. Check if the main circuit voltage of the power supply voltage is normal.
4. Remove the inverter wiring, short-circuit the terminals R, S, T, U, V, W, and measure the insulation resistance between them and the ground terminal with a DC500V megameter. The fastener should be reinforced above 5M ohms and the observation component should be observed for signs of fever.
5. Check the terminal block for damage, the conductor is skewed, and the outer layer of the wire is damaged.
6. Check if the filter capacitor leaks liquid, whether it is swollen or not. Use the capacity measuring device to measure the static capacitance should be more than 85% of the rated capacity; check whether the relay has "Be, Be" sound, whether the contact is rough or broken; check Check the resistor resistor for cracks and check for broken wires.
7. Check whether the output voltage of each phase is balanced when the inverter is running; perform sequence protection action test, display, and whether the protection circuit is abnormal.
8. Check the cooling system for abnormal vibration, abnormal sound, and loose connections.