What to do if the Xiaomi Smart Air Purifier 4 Compact makes loud noises in sleep mode?
The Xiaomi Smart Air Purifier 4 Compact supports cleaning air from ultra-quiet sleep mode. In sleep mode, noise is as low as 20dB and the display can be turned off. However, several factors will make the air purifier have loud noises in sleep mode, such as APP setting, dust accumulation, and improper installation.
If the air purifier makes loud noises in sleep mode, please refer to the following details:
1. Please check whether Sleep mode is enabled in the Mi Home/Xiaomi Home APP. If you select other modes, the noise level will not be as low as that in sleep mode;
2. Foreign objects or accumulated dust inside the purifier can obstruct moving parts, causing unusual noises. Inspect and clean the interior to remove any obstructions;
3. Loose screws or damaged fan blades can produce rattling or grinding noises. Tighten the loose components and replace damaged parts as needed.
If the air purifier makes loud noises in sleep mode, please refer to the following details:
1. Please check whether Sleep mode is enabled in the Mi Home/Xiaomi Home APP. If you select other modes, the noise level will not be as low as that in sleep mode;
2. Foreign objects or accumulated dust inside the purifier can obstruct moving parts, causing unusual noises. Inspect and clean the interior to remove any obstructions;
3. Loose screws or damaged fan blades can produce rattling or grinding noises. Tighten the loose components and replace damaged parts as needed.
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