Page 2 - WARNING; IMPORTANT SAFETY NOTICE; CONTENTS; Page
2 SR-GA421/SR-GA281/SR-GA721 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. P...
Page 5 - FUNCTION OF CENTER THERMOSTAT AND THERMALFUSE; press the micro-switch button into the warming cycle.; Center thermostat construction; Figure 1
5 SR-GA421/SR-GA281/SR-GA721 2. FUNCTION OF CENTER THERMOSTAT AND THERMALFUSE A. Center Thermostat The center thermostat senses when the bottom of the rice cooker pan reach 134°C ± 6°C. And it’s action turns off the cooking cycle, and starts the warming cycle. Refer to these figures showing the cente...
Page 7 - TROUBLESHOOTING GUIDE; Cooking function
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 ...
Page 8 - Keep warm function
8 SR-GA421/SR-GA281/SR-GA721 3. TROUBLESHOOTING GUIDE Symptom Diagnosis Remedy ● Earlier Switching-off ● Poor cooking finish Too hard Too soft Half-boiled Poor contact between pan and sheathed heater? (Check with bubbling test) Yes ● Replace pan or sheathed heater. Center thermostat defective? (Check...
Page 9 - Pan flange; Figure 2
9 SR-GA421/SR-GA281/SR-GA721 4. TESTING PROCEDURE 1. Bubbling test Input the pan in the main body, and lightly rotate the pan clockwise and counter clockwise to set 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...
Page 10 - Boiling control lever adjustment; Checking
10 SR-GA421/SR-GA281/SR-GA721 4. TESTING PROCEDURE 3. 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. When the boiling switch is turned on. When the boil...
Page 11 - EXPLODED VIEW
11 SR-GA421/SR-GA281/SR-GA721 5. EXPLODED VIEW & PACKING VIEW (SR-GA421/SR-GA281) EXPLODED VIEW (SR-GA421/SR-GA281)
Page 12 - PACKING VIEW
12 SR-GA421/SR-GA281/SR-GA721 5. EXPLODED VIEW & PACKING VIEW (SR-GA421/SR-GA281) PACKING VIEW (SR-GA421/SR-GA281)
Page 13 - REPLACEMENT OF PARTS LIST & PACKING LIST; PARTS LIST
13 SR-GA421/SR-GA281/SR-GA721 6. REPLACEMENT OF PARTS LIST & PACKING LIST (SR-GA421/SR-GA281) PARTS LIST Ref. No. Part Name Part No. SR-GA421 SR-GA281 Silver White White White White Silver HK SIN- DBD SIN- RBD MAL HK HK 1 LID ASS’Y AQB01T29310U 1 1 1 1 AQB01T29410U 1 1 2 LID HANDLE AQB10T2941K0 ...
Page 14 - LIST OF SCREW
14 SR-GA421/SR-GA281/SR-GA721 6. REPLACEMENT OF PARTS LIST & PACKING LIST (SR-GA421/SR-GA281) LIST OF SCREW Ref. No. Part Name Part No. SR-GA421 SR-GA281 Silver White White White White Silver HK SIN- DBD SIN- RBD MAL HK HK A TAPPING SCREW XTN4+10BVW 2 2 2 2 2 2 B SEMS SCREW XYN5+C10FNS 1 1 1 1 1...
Page 17 - REPLACEMENT OF PARTS LIST & PACKING LIST; PART LIST
17 SR-GA421/SR-GA281/SR-GA721 8. REPLACEMENT OF PARTS LIST & PACKING LIST (SR-GA721) PART LIST Ref. No. Part Name Part No. SR-GA721 White White White Silver MAL SIN-DBD SIN-RBD USA 1 LID ASS’Y AQB01T29510U 1 1 1 1QB01A298-0U 1 2 LID HANDLE AQB10T2941K0 1 1 1 1 3 LID AQB01T2951 1 1 1 AQB01A298 1 ...