Sharp KSH-206, Service Manual

8

TESTING OPERATING CONDITION

1.  Simplified Testing Method   

  1.  Firmly put inner pot into the cooker, and also close the upper lid. 

  2.  Plug the power cord.   

  3.  Push cook switch to check the operation of thermostat. It will cut off approximately in 3-5 minutes, which is

      the standard timing. 

2.  Water Boiling Method   

      1.  Fill 2 measuring cups of water in the inner pot.   

  2.  Firmly put inner pot into the outer pot. 

  3.  Plug the power cord.   

      4.  Push cook switch .  

  5.  As soon as water evaporated dry, thermostat must cut off. 

3.  Rice-Cooking Method  

  1.  Fill rice and water at the maximum level of the inner pot. 

  2.  Plug the power cord, and push cook switch. 

  3.  After rice is already cooked and warm for 15 minutes further, check whether the rice is completely cooked. 
  4.  Turn over the inner pot, check the cooked rice at the bottom of inner pot. If its overdone layer is slightly
     light drown, the cooking operation is acceptable. In contrary, if cooked rice is brownish of uncompletely
     cooked, thermostat may be fault. 

                                                      INSPECTION AFTER REPAIRING 

  1.  Cook switch should be at the center of panel.   

  2.  Ensure that there is no any contaminants, deposits, stains exist on heater plate, thermostat and outside

          bottom of inner pot.  

  3.  Firmly put inner pot inside the cooker, move inner pot right and left to ensure it can be closely contact
    with outer pot.  

  4.  Check the operation of cook switch and thermostat.   

        -   When inner pot is already put in, little bit right and left moveable, push cook switch, the state of cook switch
         must be steadily pushed down, as soon as the inner pot is lifted up, cook switch will automatically spring up.  
  5.  Check the operation of indicator lamp and cook switch connection.  

    5.1 Plug the power cord.
    5.2 Check the state of indicator lamp when push “COOK” switch and “WARM”. 

    5.3 Put the inner pot into the cooker, push cook switch. Ensure that the inner pot can be firmly contacted with the

heater plate.