If there is E4 fault in your Philips rice cooker, it is usually due to a problem with the temperature controller or a damaged temperature sensor. These two components are the key elements to ensure normal cooking, so their failure may lead to E4 failure.

Solution:

1. First, troubleshoot the power supply, and check whether the power cord is plugged in and the plug is loose.

2. If the power supply is normal, check whether the thermostat works normally. The thermostat is generally located at the bottom of the rice cooker, so it is necessary to disassemble the bottom to check whether the thermostat has scorch marks or open circuit. If so, a new temperature controller needs to be replaced.

3. If there is nothing wrong with the thermostat, there is probably something wrong with the temperature sensor. The temperature sensor is generally located in the upper part of the rice cooker and can be directly touched by hand. Check whether the wiring of the temperature sensor is loose or dirty. If not, it is recommended to replace it with a new one.

In a word, E4 fault is a serious fault, which needs serious investigation and repair. If you are not familiar with electrical appliances or are not sure how to maintain them, it is best to send them to a special maintenance point for maintenance to avoid unnecessary losses and risks.