Kyocera TASKalfa 3050ci Service Manual page 286

Code Contents
4014 Polygon motor Y steady-
state error
After polygon motor Y is stabi-
lized, the ready signal is at the
H level for 15 s continuously.
4101 BD initialization error K
After polygon motor K is
driven, ASIC detects a BD
error for 1 s.
4102 BD initialization error C
After polygon motor C is
driven, ASIC detects a BD
error for 1 s.
4103 BD initialization error M
After polygon motor M is
driven, ASIC detects a BD
error for 1 s.
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. Polygon motor Y and LSU relay PWB
(YC11)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective polygon Replace the laser scanner unit (see page 1-
motor Y. 5-25).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
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. Laser scanner unit and LSU relay PWB
(YC5)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB Replace the laser scanner unit (see page 1-
K. 5-25).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
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. Laser scanner unit and LSU relay PWB
(YC10)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB Replace the laser scanner unit (see page 1-
C. 5-25).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
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. Laser scanner unit and LSU relay PWB
(YC8)
LSU relay PWB (YC3) and engine PWB
(YC12)
Defective PD PWB Replace the laser scanner unit (see page 1-
M. 5-25).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
1-4-46
2LK/2LN/2LM/2LC
Check procedures/
corrective measures