Panasonic SR-GA721 - Manual (Page 7)

7
SR-GA421/SR-GA281/SR-GA721
3. TROUBLESHOOTING GUIDE
Symptom Diagnosis Remedy
Cooking function
● Cooking fails (Cooking
lamp is not shown)
No continuity of cord?
Yes
● Replace AC cord.
No continuity of thermal fuse?
Yes
● Locate cause for fusing and
replace fuse.
No continuity of micro switch?
Yes
●
Replace Frame ass’y.
Center thermostat is broken?
(Checked evaporation test)
Yes
● Replace center thermostat.
Switch lever properly adjust?
No
● Adjust Switch lever.
● Cooking fails (Cooking
lamp is not shown)
No continuity of sheathed heater?
Yes
● Replace sheathed heater.
● Thermal fuse blown
Forced application of current?
Yes
● Explain correct usage.
● Rice burns (Brown color)
Center thermostat defective?
(Check with evaporation test)
Yes
● Replace center thermostat.
Switch lever has been properly adjusted?
No
● Adjust Lever.
Usage correct?
● Rice is not rinced well enough?
● Using with low rated voltage?
● Too much water input for cooking?
Yes
● Explain correct usage.
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.
No
No
No
No
No
Yes