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SR-TMJ181

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SR-TMJ181

When receiving a rice boiler to be repaired, be sure to check that the main body is completely provide with the inner pan
and the inner lid, ask the condition (phenmenon) of the trouble in detail. Before troubleshooting single parts, be sure to
disconnect the power supply plug from the receptacle.

• Rice is not boiling.

(The indicating lamp
  does not come on)

• Rice is not boiling.

(The indicating lamp
  is lit)

Is the power cord conductive?

• Replace the cord.

• Make sure insert therminal is
  fasten.

• Replace the P.C.B. complete.

• Replace the P.C.B. complete.

• Replace the cast heater.

• Replace the center thermostat.

• Replace the inner pan or the
  cast heater.

• Seeing at Table 2

• Explain the proper operation.

• Isolate the cause which melt
  the thermal fuse, correct
  the cause and

• Earlier cut off.

• Poor boiling up.

• Too hard

• Too soft

• Insufficient boiling

• Immediately after the switch is turned
  off, open the cap.

• Rice is excessive or insufficient.

• Rice has not been scooped and mixed 
  well.

• Water is excessive or insufficient.
• The switch is turned off once during
  boiling.

Is the pan bottom properly contacted with 
the cast heater?

Yes

No

Is the thermal fuse conductive?

Yes

No

Is the therminal conductive?

Yes

Are the parts on the P.C.B. mistake?

Are the parts on the P.C.B. mistake?

Improper operation

No

Yes

No

Yes

Yes

Yes

No

Is the cast heater conductive?

Yes

No

Are the parts on the P.C.B. mistake?

(Check with the bubbling test).

Does the center thermostat operate
properly?

Yes

No

(Check with the operation test).

Yes

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SR-TMJ181

• Replace the center thermostat.

• Seeing at Table 2.

• Explain the proper operation.

• Excessive burning.

(More than light brown)

• The voltage is lower than specified.

• Rice is not washed sufficiently

• Water is excessive.

(Bran remains still)

• The pan bottom is conditioned to
  generate burning easily.

Are the parts on the P.C.B. mistake?

Improper operation

No

Yes

Yes

Does the center thermostat operate
properly?

Yes

No

(Check with the evaporation test).

• To join it with CN5.

• Display of “Slow Cook”
  and “Rice Cook/Steam”
  are flashing light.

Check the sensor lead wire is connect
completely with control unit board. 

No

• Take off and join it with CN5
   again.

Yes

• Check the connector of wiring.

• Display of “Start”  and
  “Timer” are flashing
   light.

Is the relay operation ON/OFF alternately 
after flashing light occure?

No

• Replace the control unit 
   complete.

Yes

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SR-TMJ181

• Rice is not boiling.

(The indicating lamp
  does not come on)

• Rice is not boiling.

• The thermal fuse is
  blown off.

• Earlier cut off.

• Poor boiling up.

• Excessive burning.

(The indicating lamp
  is lit)

• Heat is not reserved.

(The indicating lamp
  does not come on)

• Heat is not reserved.

(The indicating lamp
  is lit)

Is the transformer operating?

• Replace the P.C.B. complete.

• Replace the transformer.

• Replace the relay.

• Replace the relay.

• Replace the transformer.

• Replace the relay.

• Replace the relay.

No

Is the relay operation?

No

Is the relay cut off?

Is the relay operation?

Yes

• Replace the P.C.B. complete.

Yes

No

• Replace the P.C.B. complete.

Yes

No

• Replace the P.C.B. complete.

Yes

• Replace the P.C.B. complete.

Yes

• Replace the P.C.B. complete.

Yes

Is the relay operation?

No

Is the transformer operating?

No

• Replace the transformer.

• Replace the P.C.B. complete.

Yes

Is the trial operating?

No