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3. TROUBLESHOOTING GUIDE
3.1 Table 1
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 (phenomenon) of the trouble in detail. Before troubleshooting single parts, be sure to
disconnect the power supply plug from the receptacle.
Condition
Rice boiling section
Plane rice.
• Rice is not boiling.
(The indicating lamp
does not come on)
• Rice is not boiling.
(The indicating lamp
is lit)
Troubleshooting
Remedy
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
SR-TML500 / SR-TML510 / SR-TMS520
