Kyocera TASKalfa 4500i Service Manual page 381

Problem
(26)
Duplex clutch 1
does not operate
(35 ppm model
only).
(27)
Duplex clutch 2
does not operate
(35 ppm model
only).
(28)
Pickup solenoid 1,
2 does not operate
(45 ppm/55 ppm
model only).
(29)
Feedshift solenoid
does not operate.
(30)
Cleaning solenoid
does not operate.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Duplex clutch 1 and relay PWB (YC11)
Relay PWB (YC13) and feed PWB 1 (YC23)
Feed PWB 1 (YC2) and engine PWB (YC5)
Replace the duplex clutch 1.
Replace the relay PWB, feed PWB 1 or engine PWB and
check for correct operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Duplex clutch 2 and relay PWB (YC7)
Relay PWB (YC1) and feed PWB 1 (YC14)
Feed PWB 1 (YC1) and engine PWB (YC6)
Replace the duplex clutch 2.
Replace the relay PWB, feed PWB 1 or engine PWB and
check for correct operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Pickup solenoid 1, 2 and feed PWB 2 (YC8)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the pickup solenoid 1 or 2.
Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Feedshift and front PWB (YC4)
Front PWB (YC3) and engine PWB (YC7)
Replace the feedshift solenoid 1 or 2.
Replace the front PWB or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Cleaning solenoid and relay PWB (YC4)
Relay PWB (YC12) and Feed PWB 1 (YC17)
Feed PWB 1 (YC2) and engine PWB (YC5)
Replace the cleaning solenoid.
Replace the feed PWB 1 or engine PWB and check for cor-
rect operation (see page 1-5-47).
1-4-77
2LL/2LJ/2LH-1