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No Power In Rice Cooker Repaired

By on April 15, 2021
No Power In Rice Cooker Repaired

No Power In Rice Cooker Repaired

This Richsonic rice cooker came in for repair with the complaint of no power. Since the power cable and fuse were checked to be good, this means it was the internal fault and the rice cooker need to be opened for troubleshooting.

It was pretty obvious where the problem was once the cover was removed. As you can see from the photo below, there was a burnt thermal fuse.

how to fix rice cooker

When I checked on the burnt fuse with my digital multimeter, it showed an open circuit reading .

rice cooker burnt fuse

Visual inspection was used to check on other parts beside the main fuse. All wirings/cables, nuts and screws were seems to be in good condition. I concluded that only the fuse was the cause of the problem.

I had the stock for this fuse and the rating was 10 ampere with 250 volt…see the photo  below:

10 amp 250 volt fuse

how to fix rice cooker

Once the fuse replacement was done, I powered up the rice cooker and it got back to normal again.

rice cooker fix and repair

Conclusion- If after powering up the rice cooker and the fuse still burn, this indicates there could be something shorted. Below is a video how electric rice cooker works:

suranga

This article was prepared for you by Suranga Bandara who owns an Electronics repair shop in Anuradapura, Sri Lanka.

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Note: You may check out his previous post in the below link:

https://jestineyong.com/without-the-right-tools-it-is-difficult-to-fix-equipment/

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9 Comments

  1. Tayo

    April 15, 2021 at 12:26 pm

    When repairing for profit we are often taught not to worry ourselves about WHY a component failed. Simply fix the issue and move on. But since this article gives me the opportunity to ask a master repairman on his thoughts about the cause of the blown fuse. Suranga, have you any ideas on why the fuse blew?

    Likes(2)Dislikes(0)
    • Humphrey Mndaka

      April 17, 2021 at 9:03 am

      Thermal fuses only react to excessive temperature, not excessive current, unless the excessive current is sufficient to cause the thermal fuse itself to heat up to the trigger temperature

      Regards Humphrey

      Likes(1)Dislikes(0)
  2. Yogesh Panchal

    April 15, 2021 at 1:54 pm

    Very quick fix! Suranga

    Likes(0)Dislikes(0)
  3. Yogesh Panchal

    April 15, 2021 at 1:55 pm

    Good Job! Suranga

    Likes(0)Dislikes(0)
  4. Albert van Bemmelen

    April 15, 2021 at 2:28 pm

    Electric rice cookers are always much safer than the ones that are often still used on a stove with the risk of fires. Especially when the electric cookers switch off when they have reached the final cooking process.

    Likes(1)Dislikes(0)
  5. Parasuraman Subramanian

    April 15, 2021 at 4:57 pm

    Why the fuse failed is a question we should answer satisfactorily.

    Likes(1)Dislikes(0)
    • Humphrey Mndaka

      April 17, 2021 at 9:05 am

      Thermal fuses only react to excessive temperature, not excessive current, unless the excessive current is sufficient to cause the thermal fuse itself to heat up to the trigger temperature

      Likes(0)Dislikes(0)
  6. cipriano olivar

    April 15, 2021 at 9:51 pm

    muchas gracias a todos.
    ===========================
    thank you very much to all.

    Likes(0)Dislikes(0)
  7. Lynn Blakely

    April 16, 2021 at 9:55 am

    If you can check the operating amperage, you could verify the the heating elements are operating at their normal wattage, by calculating the supplied voltage with the amperage. The wattage should be stated on the unit. fuses do their job, to prevent over current conditions.

    Likes(2)Dislikes(0)

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