2.2) Rollers Over Heating
1. Lower and upper heat sensors are reversed on the PCB Main.
1. Wires for lower and upper heat sensors are reversed on the main PCB.
a. Reverse the heat sensors.
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.
a. Replace the PCB Main.
2. Defective T/Fuse wire.
MEASURES
4. Defective Main PCB.
CAUSES
2. Defective T/Fuse wire.
3. Defective heater.
4. Defective main PCB.
WIRE-T/FUSE
Connector-Wire
Sensor
6
