Ricoh A163 Service Manual page 381

6.3 BLOWN FUSE TABLE
6.3.1 POWER SUPPLY UNIT
Europe Version
Fuse No.
FU301
FU302
FU303
FU304
U.S.A. Version
Fuse No.
FU301
FU302
FU303
FU304
AC Drive Board
Fuse No.
FU201
(U.S.A. version only)
FU202
CB201
(Europe version only)
SM
Specification
250 V 3.15 A No power.
250 V 6.3 A No indication. Beeper sounds.
250 V 6.3 A This symptom will occur when all of three
fuses are open.
250 V 6.3 A
Specification
125 V 6.3 A No power.
250 V 5 A No indication. Beeper sounds.
250 V 5 A This symptom will occur when all of three
fuses are open.
250 V 5 A
Specification
125 V 15 A No power.
No power is supplied to the de-humidify
250 1 A
heater.
250 V 8 A No power.
6-5
BLOWN FUSE TABLE
Symptom
Symptom
Symptom
B047/B048