Panasonic SR-TEJ10 Bedienungsanleitung

Service Manual

Order No. PHAT070802S3

Electric Rice Cooker/Steamer

Model : SR-TEJ10, SR-TEJ18

SIN-RBD

is a violation of law.

Specification

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or

repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic

Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced

with manufacturer’s speciﬁed parts to prevent shock, ﬁre or other hazards. Do not modify the original design without permission of

manufacturer.

IMPORTANT SAFETY NOTICE

Model SR-TEJ10 SR-TEJ18

Power source AC 220V 50Hz

Power cooking 450W 630W

Power warming 32W 33W

Cooking capacity 1 ~ 5 cups 3 ~ 10 cups

Keep warm capacity 1 ~ 5 cups 3 ~ 10 cups

Center thermostat working temperature 134 ºC ± 6ºC 134 ºC ± 6ºC

Thermal fuse speciﬁcation 142ºC 142ºC

Power cord 1.0 m 1.0 m

Dimension Width x Depth x Height

248 mm x 274 mm x 275 mm

Width x Depth x Height

276 mm x 274 mm x 275 mm

Weight 2.5 kg 3.1 kg

Accessories Steaming basket, Scoop, Measuring cup

Please use this manual together with Service Manual Order No.PHAT060410C3

SUPPLEMENT

SR-TEJ10, SR-TEJ18

1. PARTS IDENTEIFICATION

SR-TEJ10, SR-TEJ18

2. CIRCUIT DIAGRAM

3. WIRING DIAGRAM

Orange

Power

White Micro Switch

NCKeep Warm

Lamp

Rice Cook

Lamp

Red

Side

Heater

Cast

Heater

Thermal

Fuse

Thermal

Fuse

Black Black

E Green

Blue

Thermal Fuse Lead Wire A (Black)

Lame Lead Wire A (Black)

Lam Lead Wire C(Red)

Lam Lead Wire B (White)

Side Heater Lead Wire B (Blue)

Rice Cooking Lever

Lamp Lead Wire C (Red)

Side Heater Lead

Wire A (Red)

To Inlet

Body Earth Lead Wire (Green)

Lamp Lead Wire B (White)

Thermal Fuse Lead Wire B (Black)

SR-TEJ10, SR-TEJ18

4. TROUBLESHOOTING GUIDE

Condition Troubleshooting Remedy

Rice boiling section

● Rice is not boiled.

(The indication lamp does

not come on).

Is the power cord conductive?

● Replace the cord.

Is the thermal fuse conductive?

● Isolate the cause which melts

the thermal fuse, correct the

cause and replace the fuse.

Is the micro switch (across C to NC)

conductive when the riceboling process is

tumed on?

● Replace the micro switch.

Is the rice boiling control lever properly

adjusted?

● Replace the control lever.

● Rice is not boiled (The

indication lamp is lit.) Is the cast heater conductive? ● Replace the cast heater.

● The thermal fuse is blown

off.

Is the micro switch (across C to

NC) conductive when rice boiling

process is tumed off?

● Replace the micro switch.

Is the rice boiling control lever

properly adjusted?

● Adjust the control lever.

Does the center thermostat

operate properly? (Check with

the evaporation test.)

● Replace the center thermostat.

The operation is wrong.

(Forcibly ﬂow the electric current.)

● Explain the proper operation.

When receiving a rice boiler to be repaired. Be sure to check that the main body is completely

provided with the inner pan and the inner lid, and ask the condition (phenemenon) of the trouble

in detail. Before troubleshooting single parts, be sure to disconnect the power supply plug from

the receptacle.

YES

SR-TEJ10, SR-TEJ18

Condition Troubleshooting Remedy

● Earlier cutoff

● Poor boiling-up

Too hard

Too soft

Cored rice

Insufﬁcient boiling

Is the pan bottom properly

contacted with the cast heater?

(Check with the bubbling test.)

● Replace the inner pan or the

cast heater.

Does the center thermostat

operate properiy? (Check with

the operation test.)

● Replace Center thermostat.

Is the rice boiling control lever

properly adjusted?

● Adjust control lever.

Is the cast heater conductive?

● Replace the cast heater.

Improper operation

●

Rice is excessive or insufﬁcient.

●

Water is excessive or insufﬁcient.

● The switch is turned off once

during boiling.

● Immediately after the switch is

turned off, open the cap.

●

Rice has not been scooped and

mixed well.

● Explain the proper operation.

● Excessive burning (More

than light brown)

Does the center thermostat

operate properly?

(Check with the evaporation test.)

● Replace the center thermostat.

Is the rice boiling control lever

properly adjusted?

● Adjust the control lever.

Improper

● Rice is not washed sufﬁciently.

(Bran remains still.)

● The pan bottom is conditioned

to generate burning easily.

● Germ rice or wheat-mixed rice

is boiled.

● Mixed rice boiled.

●

The voltage is lower than speciﬁed.

● Water is excessive.

● Explain the proper operation.

YES

SR-TEJ10, SR-TEJ18

5. TESTING PROCEDURE

5.1 Bubbling test

Input the pan in the main body, and lightly rotate the pan clockwise and counter clockwise to

settle the pan on the heating plate properly.

1. Fill water until the center area of the pan bottom is dipped, and close the lid. Then turn

on the switch.

2. When it begins boiling to produce steam, remove the lid and immediately check the

bubbling condition on the pan bottom.

3. As show in the right ﬁgure.

Bubbles generate through out the circumference of the pan bottom ............... Proper

Bubbles does not generate on more than one quater part of the pan bottom

circuference .................................................................................................. Improper

If it is improper, it may result from the insufﬁcient contact between the pan bottom and the

heating plate. Check the pan bottom and the heating plate for foreign material remained.

Clean off the foreign material or replace the parts.

5.2 Evaporation test

1. Check that bubbling is prper, and opern the lid and place a weight.

Note:

To prevent plastic parts from deformation caused by steam, be sure to open the lid fully.

5 cm.

Bubbling

Place a weight so that its gravitycenter may be aligened at the center.

2. Fully cover 2 to 3 sheet of tissue paper (gauze also applicable) on the pan bottom, and

continnously ﬂow electric current.

Note: To prevent tissue paper from ﬂoating because of bubbling, previously hole the paper.

Water on the pan bottom is completely evaporated to ve empty. This timimg is an follows:

Within 1 minute before the boiling switch is turned off.

Within 1 minute after the boiling switch is turned off.

SR-TEJ10, SR-TEJ18

5.4 Boiling control lever adjustment

Such a mechanical operation as center thermostat goes up and down is used to turn on and

off the micro-switch. Check and adjust this relationship as shown below.

The above conditions are proper.

Top view of pan

Holes on the

tissue paper

Pan flange

Tissue paper

5.3 Heat reserving test

Put approx. 1 liter of water and the thermometer [repairing tool (mercury thermometer ASN-150H)]

in the pan, close the lid and turn on the boiling switch.

2. When it begins boiling to generate steam, turn off the boiling switch.

Add water or keep the lid opened until the reading of the thermometer falls to approx. 70°C.

When it becomes approx. 70°C, close the lid. After the warming heater is activated for 1 hour

or more, check the heat reserving temperature.

Within 69°C to 77°C.................Proper.

If outside 69°C to 77°C, check TRS mounting for irregularity. If it is proper, replace warming heater.

Urethane foam blocks

Mercury thermometer

Inner pan Mercury

thermometer

When the boiling switch is turned on. When the boiling switch is turned off.

Checking The auxiliary lever presses the push-button

(The “WARM” lamp comes on.)

The auxiliary lever does not press the push-

button (The “COOK” lamp comes on.)

Adjusting To gain the above relationship, adjust the auxiliary lever by bending it with long nose pliers.

If it is improper, check the contact between the pan bottom and the heating plate, and

the center thermostat. Repair or replace if necessry.

SR-TEJ10, SR-TEJ18

6.1. Hinge cover removal (Hinge Cover)

Remove the dew collector.

2. Remove the hinge cover mounting screws.

3. As show in the figure, insert a narrow flat head screw driver from just below and pry off the

hinge cover.

6.2. Inner enclosure and upper frame removal

1. As show in the figure, pry up three fastening hooks. Fixing the upper frame, turn the

inner enclosure in the arrow direction.

2. The upper frame will be seperated from the inner enclosure and the upper frame.

Note: When assembling, refer to the illustration without the position relation ship

between the inner enclosure and the upper frame.

6. DISASSEMBLING

SR-TEJ10, SR-TEJ18

7. EXPLODED VIEW

36 37

SR-TEJ10, SR-TEJ18

8. PACKING VIEW

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