Sharp KS-1800 Service Manual Download

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SHARP CORPORATION

SHARP SERVICE MANUAL

TABLE OF CONTENTS

PARTS IDENTIFICATION AND SPECIFIC INFORMATION ......................................................

CAUTIONS FOR USE ...............................................................................................................

WIRING DIAGRAM AND CIRCUIT DIAGRAM ..........................................................................

COMPONENT REPLACEMENT PROCEDURE .......................................................................

INSPECTION AFTER ASSEMBLING .......................................................................................

SIMPLIFIED TESTING METHOD .............................................................................................

PRECAUTIONS FOR WARM-KEEPING TO GET TASTY RICE ..............................................

TROUBLESHOOTING ..............................................................................................................

SERVICE PARTS LIST .............................................................................................................

Page

5-10

11-12

13-15

17-18

19-20

JAR RICE COOKER

MODEL

KS-1800/T

In the interests of user-safety (Required by safety

regulations in some countries) the set should be restore

to its original condition and only parts identical to those

specifi ed should be used.

Summary of Contents for KS-1800

Page 1: ...ION AFTER ASSEMBLING SIMPLIFIED TESTING METHOD PRECAUTIONS FOR WARM KEEPING TO GET TASTY RICE TROUBLESHOOTING SERVICE PARTS LIST Page 2 3 4 5 10 11 12 13 15 16 17 18 19 20 JAR RICE COOKER MODEL KS 1800 T In the interests of user safety Required by safety regulations in some countries the set should be restore to its original condition and only parts identical to those specified should be used ...

Page 2: ...r pot Body SPECIFIC INFORMATION Power supply cord Control panel Bottom cover Thermostat Heater plate Model Rated voltage V Power consumption Cook W Power consumption Warm W Capacity l Heating method Dimension W x D x H mm Weight Approx kg KS 1800 T 220 600 60 1 8 Direct heating method 316 x 290 x 315 3 1 Dew receiver Latch hook cover Control panel ...

Page 3: ...rice Do not opening the lid when during boiling because touched hot steam Do not use the inner pot with heater appliance such as a gas stove The inner pot may be transformed and it may cause poor cooking result Do not give strong vibration of impact during cooking It may cause an irregular operation of thermostat to lead to poor rice cooker Always keep clean the flange part and the bottom of the i...

Page 4: ...WIRING DIAGRAM CIRCUIT DIAGRAM 4 ...

Page 5: ...et for protection Cord reel ass y Rice cooker Bottom cover REMOVE OF CORD REEL ASSEMBLY 1 Remove the cord reel assembly in accordance with REMOVE OF CORD REEL ASSEMBLY 2 Remove the screw holding the body to bottom cover 3 Insert the flat type screwdriver into the gap between the bottom cover and body to pry the bottom cover out of body 4 Now the bottom cover is free REMOVE OF BOTTOM COVER Body Bot...

Page 6: ...ITCH 3 Pull the stop ring holding the switch leg ass y to the thermostat rod 4 Remove 2 screws holding the switch leg ass y to the outer pot 5 Now the switch leg ass y is free Note When mounting the switch assembly lock it in a manner that the switch button will not come in contact with the panel REMOVE OF SWITCH LEG ASSEMBLY Thermostat ass y Outer pot Switch leg ass y Thermostat rod Stop ring Scr...

Page 7: ...ater plate ass y REMOVE OF HEATER PLATE ASSEMBLY Screw Outer pot Control panel Screw Assembly Remove Body Screw Fig 5 Fig 6 7 1 Remove the bottom cover in accordance with REMOVE OF BOTTOM COVER 2 Disconnect the lead wire of the control panel from the heater plate and thermostat 3 Remove the screw holding the control panel 4 Detach the control panel from the body 5 Now the control panel assembly is...

Page 8: ...the body 3 Detach the dew receiver from the upper ring 4 Insert the flat type screwdriver or similar to pry the claw of the hinge cover and remove it 5 Insert the flat type screwdriver into the gap between the upper ring and latch hook cover to pry the latch hook cover from the upper ring 6 Remove 2 screws holding to the body and remove the screw holding the control panel 7 Detach the control pane...

Page 9: ...th a screw to the outer pot 1 Remove the body in accordance with REMOVE OF BODY 2 Disconnect 2 lead wires to the thermostat cut off 3 Remove 2 screws and detach the thermostat cut off from the outer pot 4 Now the thermostat cut off is free REMOVE OF TEMP FUSE ASSEMBLY REMOVE OF THERMOSTAT CUT OFF Fig 9 Outer pot Inner pot thermo angle Thermostat Cut off Temp fuse ass y Temp fuse angle Screw 1 Inse...

Page 10: ... REMOVE OF HANDLE COVER 2 Remove the dew receiver from upper ring 3 Pull out the handle shafts from the upper ring 4 Now the lid assembly is free 1 Remove the body in accordance with REMOVE OF BODY 2 Remove the lid assembly in accordance with REMOVE OF LID ASSEMBLY 3 Upside down the outer pot straingter 4 claws of outer pot holding to the upper ring 4 Remove the outer pot from the upper ring 5 Now...

Page 11: ... by hand as in Fig 16 is lightly swung to the left and right it moves in a perfect symmetry with respect to the hole of the outer pot 3 The switch button should be at the center of the panel hole Verification of Work and Function 1 Is there any part left uninstalled or any wrong wiring 2 Is the center adjustment of the switch leg ass y as specified 3 Finally energize for confirmation JAR RICE COOK...

Page 12: ...ring Switch leg ass y Thermostat rod Fig 17 Temperature test Based on the temperature testing method explained earlier ensure proper performance for COOK and WARM Inner pot Outer pot ass y Work bench Fig 14 Fig 15 Thermostat ass y Outer pot ass y Inner pot Heater plate ass y Inner pot to be normally in contact with ...

Page 13: ... ass y Where bubbles do not occur more than 1 3 of the bottom periphery as shown in Fig 19 B contaminant deposits on the heater plate ass y or deformation or damage on the inner pot may be existing Though such containment deposits can be removed by cleaning the inner pot deformed to the extent hardly rectified should be replaced with new one The same applies to the heater plate deformed In case sa...

Page 14: ...ase the reading of warm keeping temperature on the bar type thermometer if within the following temperature range will be acceptable 14 b When the lid is opened immediately after the cooking switch is turned OFF no water should remain in the inner pot or only a small amount of water approximately 20 cc is to remain in the recess around the outer periphery of the bottom face of the inner pot c The ...

Page 15: ...heck this temperature immediately after opening the lid as the reading on the thermometer drops very quickly Allow the bar type thermometer to float above the pot bottom using a fragment of packing case etc so that the thermometer does not come in direct contact with the inner pot It should be taken into account that the commercially available bar type thermometer may give a measuring error of one...

Page 16: ...cover the rice with the lid and switch ON If the rice smells even under normal cooker and operation as well as proper temperature then conduct sterilization and disinfection in accordance with the following procedure since such smell appears to be caused by microbes Provided that a method under the following Note In Case the Rice Smells is recommended to the customers because the following procedu...

Page 17: ...mbly Broken cord reel assembly Faulty cord reel assembly Faulty or loose wiring Faulty micro switch or maladjustment switch assembly Burn out of heater plate wire Faulty wiring Improper quantity of rice or water Faulty tightness due to deformed heater plate or inner pot bottom Faulty tightness due to contaminants etc deposited on heater plate or inner pot bottom Failure in complete engagement of l...

Page 18: ...tructions Replace cord reel assembly Temperature fuse flow out Affected by electric shock from cooker body at a touch Incapable of smooth accommodation of cord Problem Possible Cause Corrective Action Warm indicator lamp will go ON Faulty side heater assembly Faulty or loose wiring Replace side heater assembly Correct wiring Warm keeping is capable but insufficient First check if Precautions for W...

Page 19: ... ASS Y 1 2 9 2A1172 INNER POT 1 2 10 1A2051 THERMO PLATE 1 2 11 1B203 THERMOSTAT SPRING 1 2 12 2A2047ASY OUTER POT ASS Y 1 2 13 2A3011W UPPER RING 1 2 14 2A305B DEW RECEIVER 1 2 15 2A306 HINGE COVER 1 2 16 2A304B LATCH HOOK COVER 1 2 17 2B2133 SWITCH LEG ASS Y 1 2 18 2A2121 SWITCH BUTTON 1 2 19 2A10401 BODY Q 1 2 20 2A214B BOTTOM COVER 4 2 21 2A3931BASET CONTROL PANEL SET 1 ELECTRIC PARTS 3 1 2C50...

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