Error Codes; Trouble Display; Trouble Code List - Konica Minolta magicolor 2490MF Service Manual

15. Error codes

15. Error codes

15.1 Trouble display

• The CPU performs a self-diagnosis on the condition of the unit, and if a malfunction is
detected, the warning appears alternately with the error code in the display.

15.2 Trouble code list

Code
Printer control board
04H
malfunction
05H Flash ROM malfunction
08H Main motor malfunction
Ventilation fan motor mal-
0BH
function
Power supply cooling fan
0CH
motor malfunction
Duplex cooling fan motor
0FH
malfunction
10H Polygon motor malfunction
12H Laser malfunction
234
Item
• Communications with the M/C expansion IO G/A (IC on
the printer control board) are not properly carried out.
• Engine firmware upgrading has failed.
• The motor lock signal remains HIGH for a predeter-
mined consecutive period of time while the main motor
remains energized.
• The motor lock signal remains LOW for a predeter-
mined consecutive period of time while the main motor
remains deenergized.
• The fan motor lock signal remains HIGH for a predeter-
mined consecutive period of time while the ventilation
fan motor remains energized.
• The fan motor lock signal remains HIGH for a predeter-
mined consecutive period of time while the power sup-
ply cooling fan motor remains energized.
Duplex Option Service Manual P.17
• A low motor lock signal is not detected even after the
lapse of a predetermined period of time after the poly-
gon motor has been started.
• The motor lock signal remains HIGH for a predeter-
mined consecutive period of time while the polygon
motor remains energized.
• The SOS signal is not detected within a predetermined
period of time after the output of a laser has been
started.
• The SOS signal is never detected in the image area.
Field Service Ver. 1.0 Jul. 2006
CAUTION!
MACHINE TROUBLE
SERVICE CALL
(04H)
Detection Timing
4139F4E511DA