The fire table is very hot. What happened?

Poor heat dissipation, parts failure. When the electric fire table is in use, it is abnormal that the temperature is too high for a long time, which indicates that it is caused by poor internal heat dissipation or parts failure, so it will be safe to maintain it in time. The fire table is a combination of electric stove, table and quilt. The table frame is made of wood, bamboo and stainless steel.