Blown Fuse Conditions; Power Supply Unit - Ricoh MPC 2800 AT-C2 Mode D'emploi

7. Appendix: Electrical Component Defects
Sensor Name/
No.
Sensor Board Name
S40 Platen Cover Sensor
Junction Paper Jam
S2
Sensor

Blown Fuse Conditions

Power Supply Unit

Fuse
115V
7
FU1 15A/125V
FU2 10A/125V
FU3 2A/250V
FU4 1A/250V
FU5 5A/250V
FU6 2A/250V
FU7 10A/125V
FU8 10A/125V
FU9 6.3A/125V
FU10 6.3A/125V
FU11 6.3A/125V
FU12 6.3A/125V
136
Activ
e
SIO
CN318/5
L
SIO
L CN204/6
Rating
220V - 240V
8A/250V No response. (5V power to the PSU is not supplied.)
No response. (5V power to the BICU and controller is not
6.3A/250V
supplied.)
5V power to the scanner heater and tray heater is not
1A/250V
supplied.
1A/250V 5V power to the SIO and heater is not supplied.
5A/250V 5V power to the IOB not supplied.
2A/125V 5VS power to the BICU not supplied.
10A/125V 24VS power to the IOB not supplied.
10A/125V 24VS power to the IOB not supplied.
6.3A/125V 24V power to the IOB not supplied.
6.3A/125V 24V power to the SIO not supplied.
6.3A/125V 24V power to the BICU and MB not supplied.
6.3A/125V 24V power to the PFU or LCT not supplied.
CN Condition
Shorted SC121
Open/
Platen cover open cannot
be detected.
Shorted
Open/
Jam C (Jam 24/64)
Shorted
Symptom when turning on the main switch
Symptom