Ricoh D117 - Blown Fuse Conditions; Power Supply Unit

Electrical Component Defects
SM 6-107 D117/D118
Troubleshooti
ng
6.5.2 BLOWN FUSE CONDITIONS
Power Supply Unit
Fuse
Rating
Symptom when turning on the main switch
120V-127V 220V-240V
FU1 10A/250V 10A/250V  24V power to the BICU not supplied.
FU2 10A/250V 10A/250V  24V power to the BICU not supplied.
FU3 5A/250V 5A/250V
 5V power to the BICU not supplied.
 24VS1 power to the BICU not
supplied.
FU101 15A/250V 8A/250V Fusing SC occurs.
FU102 10A/250V 6.3A/250V No response
FU103 2A/250V 2A/250V
Power to all the anti-condensation heaters
not supplied.
FU104 10A/250V 10A/250V  24V power to the BICU not supplied
FU301 3.15A/250V 3.15A/250V
 5V power to the BICU not supplied
 24VS1 power to the BICU not
supplied
 For continued protection against risk of fire, replace only with same type and rating of
fuse.