Royal Sovereign RSL-2701 - Manual (Page 9)

1) Disassemble the Right and the Left cover. (Refer to how to replace Cover.)
2) Disassemble the Bracket-Sensor with Sensor ass'y.
Test if the Sensor ass'y is disconnected with Multi-tester.
1) Test if the wire thermal fuse is disconnected with Multi-tester.
2) If disconnected, replace it with new one.
1) Test if the heater is disconnected with Multi-tester.
2) If disconnected, replace it with new one.
1) Replace Main PCB with new one according to How to replace Main PCB
only when all of the above mentioned heater wire, wire thermal fuse,
heater and Bi-metal are normal.
7-2
2. The wire thermal fuse is defective.
3. The heater in the roller is defective.
4. Main PCB is defective.
<Sensor Ass'y position> <Sensor Ass'y>
RSL-2701，RSL-2701U
1. The Temperature Sensor is not work.
SENSOR ASS'Y
BRACKET SENSOR