C3302: Fusing Cooling Fan Motor /2, /3'S Failure To Turn - Konica Minolta bizhub C450 Service Manual

16. Malfunction code
16.6.48

C3302: Fusing Cooling Fan Motor /2, /3's failure to turn

Fusing Cooling Fan Motor/2 (M15)
Fusing Cooling Fan Motor/3 (M16)
Step
Check the connector of motor for proper connec-
1
tion and correct as necessary.
Check the fan for possible overload and correct
2
as necessary.
M15, M16 operation check
3
4 Change PWB-MC
16.6.49 C3451: Heating Roller warm-up failure
16.6.50 C3452: Fusing Pressure Roller warm-up failure
16.6.51 C3751: Heating Roller abnormally high temperature
16.6.52 C3752: Fusing Pressure Roller abnormally high temperature
16.6.53 C3851: Heating Roller abnormally low temperature
16.6.54 C3852: Fusing Pressure Roller abnormally low temperature
Fusing Unit
Step
Check the Fusing Unit for correct installation
1
(whether it is secured in position).
Check the Fusing Unit, PWB-MC and PU1 for
2 proper connection and correct or change as nec-
essary.
3 Change Fusing Unit.
4 Change PWB-MC
5 Change PU1.
358
Relevant Electrical Parts
Control Board (PWB-MC)
Action
Relevant Electrical Parts
DC Power Supply (PU1)
Control Board (PWB-MC)
Action
Field Service Ver. 1.0 Mar. 2005
WIRING DIAGRAM
Control Signal
—
—
PWB-MC PJ15MC-4 (REM)
PWB-MC PJ15MC-6 (LOCK)
PWB-MC PJ15MC-7 (REM)
PWB-MC PJ15MC-9 (LOCK)
—
WIRING DIAGRAM
Control Signal
—
—
—
—
—
Location
(Electrical
Component)
—
—
C to D-21
—
Location
(Electrical
Component)
—
—
—
—
—