Kyocera FS-C5150DN Service Manual page 75

Code Contents
4600 LSU cleaning motor error
When the LSU cleaning motor
is driven, the motor over-cur-
rent detection signal is
detected continuously for 50
times (5 s) at 100 ms inter-
vals.
4700 VIDEO ASIC device error
5301 Broken cleaning lamp K
wire
When the cleaning lamp K is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
5302 Broken cleaning lamp C
wire
When the cleaning lamp C is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. LSU cleaning motor and engine PWB
(YC36)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushes and
tem of the LSU gears. Check for broken gears and replace if
cleaning motor. any.
Defective LSU Replace the LSU cleaning motor.
cleaning motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-26).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Main PWB (YC39) and relay PWB (YC3)
Relay PWB (YC2, 4) and engine PWB (YC8,
9)
Defective main Replace the main PWB or the engine PWB
PWB or engine and check for correct operation (see page 1-
PWB. 5-29, 1-5-26).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Drum unit K and Drum relay PWB (YC2)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning Replace the drum unit K. (see page 1-5-20).
lamp K.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-26).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Drum unit C and Drum relay PWB (YC4)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning Replace the drum unit C. (see page 1-5-20).
lamp C.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-26).
1-4-20
Check procedures/
corrective measures
2KT/2KV