Unlike any other vacuum machine on the market, the MX has a unique feature of testing and cleansing its oil once a month. You will notice on the display after its done, a needle will point to one of the 4 different colors, and it will tell when to change the oil based on the colors. The MX will force you to do the oil cleansing every month.
When the oil cleansing cycle is prompted, empty out the chamber, close the lid tight against the chamber, and press the green START button. When the pump starts and the lid is held down by the vacuum suction, verify that the "mbar" (vacuum pressure scale shown at top of the screen) is counting down. Depending on the oil condition, minimum cleansing time is about 4 minutes.
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