1-5-63
(32)
Developing fan motor
1 or 2 does not oper-
ate.
Defective developing fan
motor 2.
Run maintenance item U037 and check if developing fan motor 2
operates when YC2-11 on the fan motors drive PWB goes low. If
not, replace developing fan motor 2.
Defective fan motors drive
PWB.
Run maintenance item U037 and check if YC2-9 or YC2-11 on the
fan motors drive PWB goes low. If not, replace the fan motors
drive PWB.
Defective engine PWB.
Run maintenance item U037 and check if YC13-3 on the engine
PWB goes low. If not, replace the engine PWB.
(33)
The image formation
fan motor does not
operate.
Broken image formation fan
motor coil.
Check for continuity across the coil. If none, replace the image for-
mation fan motor.
Poor contact in image for-
mation fan motor connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective image formation
fan motor.
Run maintenance item U037 and check if the image formation fan
motor operates when YC5-1 on the engine PWB goes low. If not,
replace the image formation fan motor.
Defective engine PWB.
Run maintenance item U037 and check if YC5-1 on the engine
PWB goes low. If not, replace the engine PWB.
(34)
The developing duct
fan motor does not
operate.
Broken developing duct fan
motor coil.
Check for continuity across the coil. If none, replace the develop-
ing duct fan motor.
Poor contact in developing
duct fan motor connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective developing duct
fan motor.
Run maintenance item U037 and check if the developing duct fan
motor operates when YC5-2 on the engine PWB goes low. If not,
replace the developing duct fan motor.
Defective engine PWB.
Run maintenance item U037 and check if YC5-2 on the engine
PWB goes low. If not, replace the engine PWB.
(35)
PWB fan motor 1 or 2
does not operate.
Broken PWB fan motor 1 or
2 coil.
Check for continuity across the coil. If none, replace PWB fan
motor 1 or 2.
Poor contact in PWB fan
motor 1 or 2 connector ter-
minals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective PWB fan motor 1. Run maintenance item U037 and check if PWB fan motor 1 oper-
ates when YC2-5 on the fan motors drive PWB goes low. If not,
replace PWB fan motor 1.
Defective PWB fan motor 2. Run maintenance item U037 and check if PWB fan motor 2 oper-
ates when YC2-7 on the fan motors drive PWB goes low. If not,
replace PWB fan motor 2.
Defective fan motors drive
PWB.
Run maintenance item U037 and check if YC2-5 or YC2-7 on the
fan motors drive PWB goes low. If not, replace the fan motors
drive PWB.
Defective engine PWB.
Run maintenance item U037 and check if YC13-3 on the engine
PWB goes low. If not, replace the engine PWB.
(36)
The power source
fan motor does not
operate.
Broken power source fan
motor coil.
Check for continuity across the coil. If none, replace the power
source fan motor.
Poor contact in power
source fan motor connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Problem
Causes
Check procedures/corrective measures
Y104350-7 Sevice Manual
Содержание d-Copia 600
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Страница 454: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 02 2006 1ST EDITION 454 Y104350 7...