Second, the electric heater is broken. Suggest sending it to the maintenance department for repair. If it has been used for a long time, it is recommended to change it to a new one, which is more cost-effective If the health pot is not heated, the electric heating tube is generally damaged, so you can ask the maintenance department to replace the new electric heating tube. The indicator light is on, indicating that the power supply has been added to the indicator circuit. The fault lies in the electric heating tube or its connecting part. The common electric heating tube is damaged and the contact is poor. You can tell by removing the electric heating tube and measuring its resistance.
The electric heating tube is damaged and can only be replaced generally. The poor contact is mainly due to the serious corrosion or deformation of the contact reed in the power plug assembly, and the detachable switch box can be cleaned and maintained.