求助------我的电磁炉发热严重,谁能帮帮我呀-------(有图)

我有一个富士宝p190的电磁炉,这两天突然火力小了很多,
散热器发热严重,半分钟不到吹出来的风就是热风了,但是
菜却煮不熟,我打开看了一下,没发现有什么问题,那位
朋友能帮我诊断以下,谢谢了!

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