Rollers Over Heating - Royal Sovereign RSC-1650C Service Manual

3. The Bi-metal is defective.
a) Use the multi-tester to test the continuity on the "Bi-Metal".
If it fails replace it with a new one. Figure 3
Bi-metal
4. The heater in the roller is defective.
a) Use a multi-tester to test the continuity on the "Heater Assembly". If it
fails replace the Heater Assembly. Figure 4
5. Main PCB is defective
a) Replace Main PCB.

2.2) Rollers Over Heating

CAUSES
1. The temperature sensor wire is improperly connected to the SUB-PCB.
2. Defective Heater Assembly
3. Main PCB is defective
MEASURES
1. If the temperature sensor wire is improperly connected to the SUB-PCB.
a) Unplug the temperature sensor wire and reconnect it properly. Figure 1
Figure 3
Figure 4
( )
RSC-1650H / HR Only
WIRE
SENSOR
Figure 1
5
HEATER