E021 High

E021 - bosch Oven

中文

含义

烤箱加热元件或加热电路异常。

常见原因

  1. 上加热管或下加热管断路
  2. 加热继电器接触不良或损坏
  3. 加热管对地漏电
  4. 加热驱动电路损坏

自助排查

  1. 断开电源用万用表测量加热管两端电阻
  2. 目视检查加热管是否有断裂或变形
  3. 检查继电器是否正常闭合
  4. 加热管更换需拆机操作建议联系售后

English

Meaning

The oven heating element or heating circuit is abnormal.

Common Causes

  1. Top or bottom heating element open circuit
  2. Heating relay faulty or poor contact
  3. Heating element leaking to ground
  4. Heating drive circuit damaged

Self-Check Steps

  1. Disconnect power measure heating element resistance
  2. Visually check heating element for breaks or deformation
  3. Check relay operation
  4. Heating element replacement requires disassembly; contact after-sales

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