Panasonic SR-GA421, SR-GA281 Troubleshooting Guide, Cooking function, Symptom, Diagnosis, Remedy

Models: SR-GA421 SR-GA281

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3. TROUBLESHOOTING GUIDE

SR-GA421/SR-GA281/SR-GA721

3. TROUBLESHOOTING GUIDE

When receiving the cooker to be repaired, be sure to always take charge of not only the cooker body but also the pan and the lid, and ask for details as to the symptom of the trouble. Furthermore, when making troubleshooting of each part, be sure to remove the power plug from the socket.

Symptom

Diagnosis

Remedy

Cooking function

 

 

 

Yes

Cooking fails (Cooking

No continuity of cord?

 

Replace AC cord.

lamp is not shown)

No

 

Yes

 

 

 

 

 

 

 

 

 

 

Locate cause for fusing and

 

No continuity of thermal fuse?

 

 

 

replace fuse.

 

No

 

 

 

 

 

 

 

 

Yes

 

No continuity of micro switch?

 

Replace Frame ass’y.

 

No

 

Yes

 

 

 

 

 

 

 

 

 

 

Center thermostat is broken?

 

Replace center thermostat.

 

(Checked evaporation test)

 

 

 

 

 

No

 

 

 

 

 

 

No

 

Switch lever properly adjust?

 

Adjust Switch lever.

 

 

 

 

 

Cooking fails (Cooking

 

 

 

Yes

lamp is not shown)

 

 

 

 

No continuity of sheathed heater?

 

Replace sheathed heater.

 

 

 

 

 

 

 

Thermal fuse blown

 

 

 

Yes

 

Forced application of current?

 

Explain correct usage.

 

 

 

 

 

Rice burns (Brown color)

 

 

 

Yes

 

Center thermostat defective?

 

Replace center thermostat.

 

(Check with evaporation test)

 

 

 

 

 

No

 

No

 

 

 

 

 

 

 

 

Adjust Lever.

 

Switch lever has been properly adjusted?

 

 

 

Yes

 

 

 

 

 

 

Yes

 

Usage correct?

 

 

 

Rice is not rinced well enough?

 

Explain correct usage.

 

Using with low rated voltage?

 

 

 

 

 

Too much water input for cooking?

 

 

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Panasonic SR-GA421, SR-GA281 service manual Troubleshooting Guide, Cooking function, Symptom, Diagnosis, Remedy