Minolta magicolor 2300 Series, Service Manual

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3-1. Malfunction detection timing and remedies
• If the problem cannot be corrected by the user, a service code is displayed.
(1) FATAL ERROR CODE 04H: Malfunction of the master board
<Remedy>
(2) FATAL ERROR CODE 08H: Malfunction of the main motor
<Remedy>
(3) FATAL ERROR CODE 0BH: Malfunction of the ventilation fan motor
<Remedy>
Components for display of the warning
Master board (PWB-A)
Step Remedy
Reference
page
WARNING DIAGRAM
Control signal
Location(electrical com-
ponent)
1 Replace PWB-A. - - -
Components for display of the warning
Main motor (M1)
Master board (PWB-A)
Power unit (PU)
Controller control board (PWB-P)
Step Remedy
Reference
page
WARNING DIAGRAM
Control signal
Location(electrical com-
ponent)
1 Check M1 operation. T-3 M1_REM 5-A
3 Replace PU. - - -
4 Replace PWB-A. - - -
5 Replace PWB-P. - - -
Components for display of the warning
Ventilation fan motor (M6)
Master board (PWB-A)
Power unit (PU)
Controller control board (PWB-P)
Step Remedy
Reference
page
WARNING DIAGRAM
Control signal
Location(electrical com-
ponent)
1 Check M6 operation. T-3 M6_REM 3-E
2 Replace PU. - - -
3 Replace PWB-A. - - -
4 Replace PWB-P. - - -