0Bh: Ventilation Fan Motor Malfunction; 0Ch: Power Supply Cooling Fan Motor Malfunction - Konica Minolta magicolor 2490MF Service Manual

15. Error codes
15.4.4

0BH: Ventilation fan motor malfunction

Ventilation fan motor (FM2)
Step
Check the FM2 connector for proper connection
1
and correct as necessary.
Check FM2 for proper drive coupling and correct
2
as necessary.
Check the PRCB connector for proper connec-
3
tion and correct as necessary.
4 FM2 operation check.
5 Change PRCB.
6 Change DCPU1.
15.4.5

0CH: Power supply cooling fan motor malfunction

Power supply cooling fan motor (FM1)
Step
Check the FM1 connector for proper connection
1
and correct as necessary.
Check FM1 for proper drive coupling and correct
2
as necessary.
Check the PRCB connector for proper connec-
3
tion and correct as necessary.
4 FM1 operation check.
5 Change PRCB.
6 Change DCPU1.
238
Relevant Electrical Parts
Printer control board (PRCB)
DC power supply1 (DCPU1)
Action
Relevant Electrical Parts
Printer control board (PRCB)
DC power supply1 (DCPU1)
Action
Field Service Ver. 1.0 Jul. 2006
WIRING DIAGRAM
Control Signal
-
-
-
PRCB PJ10PRCB-1 (REM)
PECB PJ10PRCB-3 (LOCK)
-
-
WIRING DIAGRAM
Control Signal
-
-
-
PRCB PJ4PRCB-1 (REM)
PRCB PJ4PRCB-3 (LOCK)
-
-
Location
(Electrical
component)
-
-
-
C-4
-
-
Location
(Electrical
component)
-
-
-
C-2
-
-