High-voltage rice cooker is a kind of intelligent household appliances, which can quickly heat food and save cooking time. When cooking with a high-pressure rice cooker, if steam overflows or an alarm is required, it may be caused by the following reasons:

1. Steam leakage: There may be a problem with the sealing ring or gland inside the high-pressure rice cooker, resulting in steam escaping. Need to replace the sealing ring or repair the gland gasket.

2. The button is not in place: the high-pressure rice cooker has multiple buttons and sensors, one of which is the pressure switch, which monitors whether the button is in place when the indicator light is on when the rice is cooked. If it is not in place, it will cause steam to escape or alarm. Need to check the status and connection of buttons and sensors.

3. Overheating: The high-pressure rice cooker may overheat during use, causing steam to escape or requesting an alarm. It is necessary to check the heating element and temperature sensor to ensure that they are in normal condition.

Please pay attention to the following items when repairing the high-voltage rice cooker:

1. Fully understand the use and maintenance procedures of high-voltage rice cookers to ensure safety.

2. Before maintenance, please turn off the power supply of the high-voltage rice cooker and keep it for enough time to keep it in a safe state.

3. Check the tools and materials needed for maintenance, so as to ensure that all the components needed for the equipment to return to normal work are available.

If you are not sure how to repair the high-voltage rice cooker, you'd better ask a professional to repair it to ensure safety and correctness.

Through the above methods and precautions, the situation that the pressure cooker is steaming or calling the police can be repaired. After the maintenance is completed, tests can be carried out to ensure that the equipment can work normally.