Sharp KS-R19S Service Manual Download

Page: 17 / 23

* Cooking switch “ON”.

* Plugged into the outlet.

Replace temperature fuse

assembly and faulty parts.

Repair or replace cord reel

assembly.

Repair or replace cord reel

assembly.

Correct wiring.

Repair or replace it.

Replace heater plate.

Repair or replace faulty parts.

* Advise proper operating

instructions.

Replace inner pot or faulty parts.

Remove contaminants or replace

parts having contaminant

deposits.

* Advise proper operating

instructions.

* Advise proper operating

instructions.

Replace thermostat ass’y.

* Advise proper operating

instructions.

Repair.

* Advise proper operating

instructions.

Replace thermostat ass’y. (No

adjustment of operating

temperature is made possible.)

Repair or replace faulty parts.

* Advise proper operation

instructions.

Those marked with black spots (*) are often confused with troubles. Give the customers proper operating

instructions.

1. Trouble during Cooking

TROUBLESHOOTING

Problem

Possible Cause Corrective Action

* Cooking switch kept “OFF”.

* Disconnected plug.

Blown-out temperature fuse assembly.

Broken cord reel assembly.

Faulty cord reel assebly.

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

latch.

* Failure in setting inner lid.

Faulty thermostat ass’y.

* Malfunction of thermostat due to

vibration or impact.

* Faulty interlocking of switch

assembly and thermostat ass’y.

* Insufficient maintenance of inner pot

or washing of rice.

Improper operating temperature of

thermostat ass’y.

Faulty micro switch or maladjustment

switch assembly. (Cooking will not go

OFF.)

* Cooking has been carried on by

depressing the switch button forcibly

with chopsticks, etc.

Unable to Cook.

Cook indicator

lamp will not go ON.

Capable of cooking

but insufficient.

Poor finish of

cooked rice.

(Local unevenness

of cooked rice is

excessive. Core is

left in rice grain due

to early switch OFF.)

Excessively over-

done bottom layer

of rice mass.

(Overdone layer in

light brown is not

regarded as abnor-

mal.)

Cook indicator

lamp will go ON.

Summary of Contents for KS-R19S

Page 1: ...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 23 JAR RICE COOKER MODELS KS R19S ST KS R23S ST 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 SHARP CORPORATION ...

Page 2: ...dy Latch angle Steam vent hole Panel Inner pot Steamer rack Inner lid SPECIFICATIONS Model Rated voltage V Rated frequency Hz Power consumption Cook W Power consumption Warm W Capacity l Heating method Dimensions W x D x H mm Weight kg KS R19S ST 220 KS R23S ST 600 50 800 60 Avg 28 62 Avg 28 1 8 2 2 Direct heating method 299 x 287 x 300 299 x 287 x 324 3 1 3 5 ...

Page 3: ...g or immediately after cooking rice keep your face and hands away from the vent Otherwise you may burn your face and hands Do not put the inner pot on other heat sources e g gas ring Otherwise it may be deformed causing rice cooking failure Take care not to deform the body inner pot and inner lid If they are deformed rice cooking is disturbed Always keep clean the inner pot heater plate inner lid ...

Page 4: ...4 CIRCUITDIAGRAM SCHEMATIC DIAGRAM ...

Page 5: ...EDURE 1 Remove the cord reel assembly in accordance with REMOVE OF CORD REELASSEMBLY 2 Remove the screw holding the body to bottom cover 3 Insert the flat type screwdriver in to 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 Bottom cover Fig 2 Fig 1 Screw Bottom cover Cord reel ass y Body Place a blanket for ...

Page 6: ...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 Screw Fig 4 1 Remove the bottom cover in accordance with REMOVE OF BOTTOM COVER 2 Fixing the therm...

Page 7: ...o the body 4 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 5 Detach the dew receiver from the upper ring 6 Insert the flat type screwdriver or similar to pry the claw of the hinge cover and remove it 7 Separate the body from the upper ring by rubber hammer knock the upper ring Fig 6 8 Remove the panel in ac...

Page 8: ...tioning of side heater ass y on the outer pot and be sure to reassembly the side heater ass y as it was REMOVE OF SIDE HEATER ASSEMBLY 1 Remove the body in accordance with REMOVE OF BODY 2 Pry the claw of body lift up by a flat type screwdriver or similar 3 Detach the panel slantways to up from the body 4 Now the panel is free REMOVE OF PANEL Body Panel Fig 7 Outer pot Side heater ass y Thermostat...

Page 9: ...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 THERMOSTAT CUT OFF 1 Detach the dew receiver from the upper ring 2 Insert a flat thin screwdriver or similar into the gap between upper ring hinge cover remove the hing cover 3 Remove the clossed the...

Page 10: ...id assembly in accordance with REMOVE OF LID ASSEMBLY 2 Pull the inner lid ass y from holder plate 3 Remove the screw holding the lid cover to the lid 4 Insert 2 pieces of plastic ruler into the gap between the lid and the lid cover taking care not to damage the lid Then remove the lid away from the lid cover Fig 12 5 Separate the lid cover from the lid 6 Pry the claw of holder plate and turn the ...

Page 11: ...ld be free from defects at 1000V a c for one min with the cooking switch set to COOK take measurements on the pins of the plug socket and also on each of the heater plate ass y To be carried out after the insulation resistance measurement which is taken immediately after the temperature test Stop to be measured With the cooking switch set to COOK take measurement on the blades of the plug socket a...

Page 12: ...op ring Switch leg ass y Thermostat rod Fig 17 Inner pot Outer pot Work bench Fig 14 Fig 15 Temperature test Based on the temperature testing method explained earlier ensure proper performance for COOK and WARM 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 Conduct checking within a short period of time so as not to influence over the operating time c Where the bubbling state is satisfactory close the lid again and energize the cooker SIMPLIFIEDTESTINGMETHOD 3 Judgement criteria During the course of the simulated cooking with water conducted under the conditions as above the rice cooker if meeting the following requirements will be considered ...

Page 14: ... reading of warm keeping temperature on the bar type thermometer if within the following temperature range will be acceptable Model KS R19S ST KS R23S ST 10 minutes approx 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...

Page 15: ...C Check 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 ...

Page 16: ...der 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 procedure may cause the fur and the like to remain on the bottom of inner p...

Page 17: ...embly Broken cord reel assembly Faulty cord reel assebly 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: ...or they flickers Faulty receptacles Contact failure with plugs Nearly broken or contact after breakage of cord Contact failure cord reel assembly Loose wiring Faulty lamp or resistor Maladjustment switch assembly Cooked by depressing the switch button forcibly with chopsticks etc Maladjustment or short circuit of switch assembly Faulty wiring Faulty insulation of heater plate assembly side heater ...

Page 19: ...LID KS R19S R19ST DB 1 2C107MN LID KS R19S R19ST H SK WL 1 2 1 4 2C110R LID COVER KS R19S R19ST DB 1 2C110MN LID COVER KS R19S R19ST H SK WL 1 2 1 5 2C503RASY HOLDER PLATE ASS Y 1 2 2 2C116RSET INNER LID SET KS R19S R19ST DB 1 2C116MNSET INNER LID SET KS R19S R19ST H SK WL 1 2 3 2C655 STEAMER RACK 1 2 4 2A1172 INNER POT KS R19S 1 2C1172 INNER POT TEFLON KS R19ST 1 2 5 2C204RASY OUTER POT AS Y 1 2 ...

Page 20: ... 2C121WLASY BODY AS Y KS R19ST WL 1 2 15 2C392RSET PANEL SET KS R19S DB 1 2C392MNSET PANEL SET KS R19S SK 1 2C392RTSET PANEL SET KS R19ST DB 1 2C392TMNSET PANEL SET KS R19ST H SK WL 1 2 16 8C321 LEG GUM 2 3 1 2C5011RASY CORD REEL AS Y 1 3 2 2C201RSET HEATER PLATE SET 1 3 3 1A202AASY THERMOSTAT AS Y 1 3 4 2C2125 THERMOSTAT 1 3 5 2C209R TEMPERATURE FUSE AS Y 1 3 6 2C207R SIDE HEATER AS Y 1 3 7 2A410...

Page 21: ...0MN LID COVER 1 2 1 5 2M503RASY HOLDER PLATE ASS Y 1 2 2 2C116MNSET INNER LID SET 1 2 3 2C655 STEAMER RACK 1 2 4 2F1171 INNER POT KS R23S 1 2F1171T INNER POT TEFLON KS R23ST 1 2 5 2M204RASY OUTER POT AS Y 1 2 6 1B203 THERMOSTAT SPRING 1 2 7 2C301MN UPPER RING 1 2 8 800U0352 HANDLE SHAFT 1 2 9 2C304MN LATCH HOOK COVER 1 2 10 2C333MN HINGE COVER 1 2 11 2C305R DEW RECEIVER 1 2 12 1A205 THERMO PLATE 1...

Page 22: ...M201RSET HEATER PLATE SET 1 3 3 1A202AASY THERMOSTAT AS Y 1 3 4 2C2125 THERMOSTAT 1 3 5 2C209R TEMPERATURE FUSE AS Y 1 3 6 2M207R SIDE HEATER AS Y 1 3 7 2A410 MICRO SW 1 3 8 2M119R EARTH WIRE ASS Y 1 SERVICE PARTS LIST ELECTRIC PARTS REF NO DESCRIPTION Q TY PRICE 22 ...

Page 23: ...23 ...

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