The Duplex Fan Motor Does Not Operate - Kyocera KM-6030 Service Manual

2FB/2FC-4
Problem
(35)
PWB fan motor 1 or 2
does not operate.
(36)
The power source
fan motor does not
operate.
(37)
The feedshift fan
motor does not oper-
ate.
(38)
The duplex fan motor
does not operate.
(39)
The shield box fan
motor does not oper-
ate.
1-5-64
Causes
1. Broken PWB fan motor 1
or 2 coil.
2. Poor contact in PWB fan
motor 1 or 2 connector
terminals.
3. Defective PWB fan motor
1.
4. Defective PWB fan motor
2.
5. Defective fan motors
drive PWB.
6. Defective engine PWB.
1. Broken power source fan
motor coil.
2. Poor contact in power
source fan motor con-
nector terminals.
1. Broken feedshift fan
motor coil.
2. Poor contact in feedshift
fan motor connector ter-
minals.
3. Defective feedshift fan
motor.
4. Defective engine PWB.
1. Broken duplex fan motor
coil.
2. Poor contact in duplex
fan motor connector ter-
minals.
3. Defective duplex fan
motor.
4. Defective engine PWB.
1. Broken shield box fan
motor coil.
2. Poor contact in shield
box fan motor connector
terminals.
Check procedures/corrective measures
Check for continuity across the coil. If none, replace PWB fan
motor 1 or 2.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U037 and check if PWB fan motor 1 oper-
ates when YC2-5 on the fan motors drive PWB outputs 24 V. If
not, replace PWB fan motor 1.
Run maintenance item U037 and check if PWB fan motor 2 oper-
ates when YC2-7 on the fan motors drive PWB outputs 24 V. If
not, replace PWB fan motor 2.
Run maintenance item U037 and check if YC2-5 or YC2-7 on the
fan motors drive PWB outputs 24 V. If not, replace the fan motors
drive PWB.
Run maintenance item U037 and check if YC13-3 on the engine
PWB outputs 24 V. If not, replace the engine PWB.
Check for continuity across the coil. If none, replace the power
source fan motor.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the feedshift
fan motor.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U037 and check if the feedshift fan motor
operates when YC6-4 on the engine PWB outputs 24 V. If not,
replace the feedshift fan motor.
Run maintenance item U037 and check if YC6-4 on the engine
PWB outputs 24 V. If not, replace the engine PWB.
Check for continuity across the coil. If none, replace the duplex
fan motor.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U037 and check if the duplex fan motor
operates when YC13-7 on the engine PWB outputs 24 V. If not,
replace the duplex fan motor.
Run maintenance item U037 and check if YC13-7 on the engine
PWB outputs 24 V. If not, replace the engine PWB.
Check for continuity across the coil. If none, replace the shield box
fan motor.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.