中文
含义
机器检测到气流阻力增大，指示前后过滤器需要清洁或更换。此为定期维护提醒，非硬件故障。
常见原因
- 前置过滤器（可水洗部分）累积过多灰尘，微孔堵塞
- 后置HEPA过滤器达到使用寿命，过滤效率下降
- 过滤器未完全晾干即装回使用，纤维结块阻碍气流
- 清洁高频使用（每日使用）后未按月维护过滤器
- 使用非戴森官方过滤器，过滤材料密度和透气性不匹配
自助排查
- 取出前置过滤器，在冷水下冲洗，同时用手指轻轻搓洗滤布表面直至水清
- 将前置过滤器充分晾干至少24小时，确保完全干透后再装回
- 检查后置HEPA过滤器状态，建议每6个月更换一次
- 清洁后若E03仍点亮，尝试轻敲过滤器去除深层积尘
- 确认使用的是戴森原装或认证兼容过滤器
English
Meaning
The machine detects increased airflow resistance, indicating that the pre-filter or post-filter requires cleaning or replacement. This is a routine maintenance reminder, not a hardware fault.
Common Causes
- Pre-filter (washable layer) loaded with fine dust, clogging the micropores
- Post-HEPA filter nearing end of service life, reduced filtration efficiency
- Filter reinstalled while still damp, causing fibers to mat and restrict airflow
- Heavy daily use without monthly filter maintenance
- Non-genuine replacement filter with incorrect material density and breathability
Self-Check Steps
- Remove the pre-filter and rinse under cold water, gently rubbing the fabric surface until the water runs clear
- Allow the pre-filter to dry completely in air for at least 24 hours before reinstalling
- Inspect the rear HEPA filter; replace every 6 months or sooner if visibly discolored
- If E03 remains after cleaning, gently tap the filter to dislodge trapped deep dust
- Confirm the filter is genuine Dyson or a certified compatible replacement