Rollers Over Heating - Royal Sovereign RSH-1151 Service Manual

2.2) Rollers Over Heating

CAUSES
1. Lower and upper heat sensors are reversed on the PCB Main.
2. Defective T/Fuse wire.
3. Defective heater.
4. Defective main PCB.
MEASURES
1. Wires for lower and upper heat sensors are reversed on the main PCB.
a. Reverse the heat sensors.
2. Defective T/Fuse wire.
a. Replace the T/Fuse wire located on the left-hand side.
3. Defective heater.
a. Test continuity of the heater. If it fails, replace the heater.
b. Glass tube that surrounds heating coil is broken – replace the heating element.
4. Defective Main PCB.
a. Replace the PCB Main.
Connector-Wire
WIRE-T/FUSE
6