Hi,
You have a bad connection because the wiring has been bent around too much and has failed...this will not be repairable and you need to replace the cooker...
Here is a tip that I wrote about rice cookers and the amount of rice and water needed...
How much Rice and Water go in the Cooker
http://www.fixya.com/support/r5396567-much_rice_water_go_in_cookerheatman101
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