What to do if the suction power of the Mijia Vacuum Cleaner 4 Pro is weak?
If the suction power of the Mijia Vacuum Cleaner 4 Pro is weak, please refer to the following troubleshooting steps:
1. The vacuum may be in Auto mode, where suction adjusts automatically, so if the area is already clean, reduced suction is normal, and no action is needed.
2. The vacuum may be reducing power slightly to conserve battery life while still maintaining adequate suction, and this is a design feature and not a fault.
3. The dust compartment may be full, so please empty it if the dust has reached the MAX line.
4. There may be blockages in the brush heads, extension rod, filter, pre‑filter, or HEPA filter, so please inspect and clean them thoroughly and allow them to dry completely if washed.
5. The battery may be low, so please charge the vacuum fully and try again.
6. The dust sensor may be dirty. Clean the dust sensor and check whether the suction returns to normal.
7. If the issue persists after these checks, please contact the after-sales service.
Does it help?
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