Sharp KS-1800 Manual de usuario
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
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.
2
PARTS IDENTIFICATION
Handle cover
Latch button
WARM” indicator lamp
“COOK” indicator lamp
Lid
Cook switch
Steam vent hole
Inner lid Latch angle
Inner 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
3
CAUTIONS FOR USE
Never share the wall outlet with other appliances.
Insert the plug into the wall outlet firmly and when disconnecting, hold the plug and pull it out without touching
the power cord.
In case the power cord is broken, it must be replaced by manufacturer or appointed service providers or
equivalent professionals to avoid any damages.
Do not immerse the set in water or sprinkling water on the heater plate.
Never push the cook switch when the inner pot with rice is not placed in, never insert any object into the
switch. It may cause a trouble.
If the switch is turned off prematurely, resulting in cook failure, do not attempt to keep the switch pressed
forcibly. Malfunction may occur. The possible cause of premature turning-off of the switch is rice sticking to the
bottom of inner pot or the heater plate.
Keep the switch away from tableware.
Do not use the cooker on a wet floor, under direct sunlight or near the gas stove.
While cooking, do not put the rice cooker on or near combustible materials such as curtains or vinyl carpets.
During or immediately after cooking the areas near the steam vent hole are kept at high temperature.
Do not touch those areas to avoid burns.
Never connect the plug with your wet hand as it may be dangerous from electric leakage. Disconnect the plug
from the wall outlet when you do not use the rice cooker.
Keep the rice cooker out of the children’s reach, especially when cooking 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 inner pot, the heater plate and the inner lid, etc. so
that they do not accumulate rice grain or foreign matter.
Do not place a wiping cloth or the like on the lid or the handle during use.
This model is for rice cooking and heat retention. Do not use it as follows. Boiling-over or smell permeation will
occur.
“Heat retention of food (boiling rice, steamed rice with red beans) which spoils quickly”. “Cooking and heat
retention and addition of cool boiled rice”. “Heat retention with plastic spoon put in the rice cooker”.
Do not apply strong vibration and shock during cooking rice. Thermostat error may occur, resulting in cooking
failure.
Do not give strong vibration or impact during cooking. It may cause an irregular operation of thermostat to lead
to poor rice cooking. This is not indication of trouble.
Be sure to put the steam tube and inner lid when using. Otherwise cooking failure or poor heat retention may
occur.
Do not turn the rice cooker on without both rice and water in the inner pot.
Do not disassemble or repair the cooker by yourself. It may cause trouble such as a fire of electric shock.
Consult your nearest dealer.
Do not use metal spoon that can scratch the inner pot.
Do not use any other inner pot except the provided one.
WIRING DIAGRAM
CIRCUIT DIAGRAM
4
5
COMPONENT REPLACEMENT PROCEDURE
1. Upside down the rice cooker.
2. Remove the screw holding the cord reel ass’y.
3. Remove the cord reel ass’y and disconnect lead wires from cord reel ass’y.
4. Now the cord reel ass’y is free.
Fig. 1
Screw
Place a blanket 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 REELASSEMBLY”.
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
Bottom cover
Fig. 2
Screw
Body
Flat type screwdriver
6
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Upside down the rice cooker and disconnect lead wires from the micro switch.
3. Remove the screw holding the micro SW. to the switch leg ass’y.
4. Now the micro SW. is free.
REMOVE OF MICRO SWITCH
Fig. 3
Micro SW.
Screw
Switch leg ass’y
Blue lead wire
White lead wire
Red lead wire
Blue lead wire
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Remove the micro switch in accordance with “REMOVE OF MICRO SWITCH”.
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
Screw
Fig. 4
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Fixing the thermostat rod, pull the stop ring by using the pliers and straightening 2 claws of thermostat.
3. Remove thermostat from the outer pot. Fig. 4
4. Now the thermostat ass’y is free.
REMOVE OF THERMOSTAT ASSEMBLY
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Remove 2 screws holding lead wires to the heater plate ass’y.
3. Remove 3 screws holding the heater plate ass’y to the outer pot.
4. Now the heater plate ass’y is free.
Heater 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 free.
REMOVE OF CONTROL PANEL ASSEMBLY
8
1. Remove the body in accordance with “REMOVE OF BODY”.
2. Disconnect the lead wire of side heater assembly from the thermostat (cut off), the heater plate ass’y
and disconnect lead wires from the micro SW, then remove 2 closed terminals holding side heater lead
wires from the lid heater lead wires.
3. Pull the side heater from the outer pot.
Note : Before removing, put a mark for positioning of side heater on the outer pot and be sure to reassembly
the side heater as it was.
REMOVE OF SIDE HEATER ASSEMBLY
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Remove the nut holding the lead wire earth to 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 panel from the body.
8. Separate the body from the upper ring by rubber hammer knock the upper ring. Fig. 7
9. Insert the control panel through the gap of the body.
10.Now the body is free.
REMOVE OF BODY
Fig. 7
Latch hook cover
Body
Screw
Upper ring
Flat type screwdriver
Hinge cover
Dew receiver
Upper ring
Screw
Control panel
Screw
Body
Flat type screwdriver
To knock
Fig. 8
Outer pot
Side heater ass’y
Nut (for earth lead wire)
9
1. Remove the body in accordance with “REMOVE OF BODY”.
2. Disconnect lead wires of the temp. fuse and remove the screw holding the temp. fuse angle.
3. Detach the temp. fuse from the temp. fuse angle. Fig. 9
4. Now the temp. fuse ass’y is free.
Note : When reassembly take care so that the charged part of temp. fuse ass’y does not protrude from the
TUBE-TA and securely fix it to the temp. fuse angle and then fix it with 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. Insert the flat type screwdriver into the gap between the handle cover and the lid cover, pry the handle
cover to wrench them upwards.
REMOVE OF HANDLE COVER
Fig. 10
Lid cover
Handle cover
Flat type screw driver
1. Remove the lid assembly in accordance with “REMOVE OF LID ASSEMBLY”.
2. Disconnect 3 lead wires of lid heater.
3. Remove the screw holding the lid cover to lid.
4. Separate the lid from the lid cover by insert 2 pieces of flat type screw driver the lid cover alternately into
the gap between them.
5. Remove 3 screws holding the holder plate to lid cover.
6. Detach the lid heater from the lid cover.
7. Now the lid cover is free.
10
1. Remove the handle cover in accordance with “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 the upper ring is free.
REMOVE OF LID ASSEMBLY
REMOVE OF UPPER RING
REMOVE OF LID COVER (LID HEATER ASSEMBLY)
Tool
Handle shaft
Upper ring
Fig. 11
Outer pot
Upper ring
Outer pot
Claw of outer pot
Screw
Screw
Lid
Flat type screwdriver
Lid cover
Holder plate
Fig. 12
Fig. 13
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