How to fix an electric rice cooker that doesn't cook rice well

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How to fix an electric rice cooker that doesn't cook rice well [Copy link]

A common fault of rice cookers is that they cannot cook rice or boil water and automatically trip and cut off the power. This fault is mainly caused by the magnetic steel temperature limiter. This article introduces two practical solutions.

1. Enhance the control spring force

According to the structure of the temperature limiter, the key to control is the attraction between the permanent magnet and the temperature-sensitive magnet and the repulsion between the control spring. After the rice cooker has been used for a period of time, the control spring and the permanent magnet are often in a high temperature environment and collide when the rice is cooked and the power is turned off, which will cause the control spring to age and harden, increase the pressure, and weaken the magnetism of the permanent magnet. When cooking rice, if the temperature does not reach 103°C, or even far below 100°C, the control spring will push the permanent magnet away from the temperature-sensitive magnet, cut off the power supply, and the rice cannot be cooked.

Smart repair method: Remove and disassemble the magnetic steel temperature limiter, press 2 to 3 turns (or more) of the lower part of the control spring together and tie them with fine copper wire. Then stretch the rest of the spring and finally install it as it is.

2. When conditions permit, you can use a horseshoe magnet to magnetize the permanent magnet. The method is as follows: first use a small magnetic needle to determine the magnetic polarity of the permanent magnet, and then gently collide the north pole of the permanent magnet with the south pole of the horseshoe magnet several times. You can also collide the south pole of the permanent magnet with the north pole of the horseshoe magnet.

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