中文
含义
烤箱顶部加热元件故障，无法正常加热。
常见原因
- 顶部加热管烧断
- 顶部加热继电器故障
- 加热管端子氧化接触不良
- 过热保护器触发
- 控制板加热驱动电路故障
自助排查
- 测量顶部加热管两端电阻
- 检查加热管外观有无损坏
- 检查加热管端子接触是否良好
- 检查对应继电器是否吸合
- 检查过热保护器
English
Meaning
The oven top heating element is faulty; cannot heat properly.
Common Causes
- Top heating element burned open
- Top heat relay faulty
- Element terminal oxidized poor contact
- Thermal cutout triggered
- Main board heating drive circuit faulty
Self-Check Steps
- Measure top heating element resistance
- Inspect element for visible damage
- Check element terminal contact quality
- Check corresponding relay engagement
- Check thermal cut-out