Commercial refrigerators may experience bumps, tilts, or even inversions during transportation, causing the lubricating oil in the compressor to flow into the refrigeration pipes or cylinders. The compressor is the "heart" of the refrigerator and relies on lubricating oil to reduce friction and dissipate heat. If the power is turned on immediately, the lubricating oil may hinder the flow of refrigerant, causing the compressor to get stuck, wear, or even burn, leading to refrigeration system failure. Standing for 2-24 hours (depending on the transportation conditions and seasonal temperature) allows the lubricating oil to flow back to the bottom of the compressor under the action of gravity and return to normal working condition, thereby ensuring efficient and safe operation of the refrigerator and extending the service life of the equipment.
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