Minolta DI750 - MANUAL SERVICE Service Manual page 268

ERROR CODE LIST
Warning
Classification
code
Fan F52-06
abnormality
F52-07
F52-08
F52-09
F52-10
F52-11
Motor F53-01
abnormality
Counter F53-02
abnormality
F53-03
Causes
The FM4 EM signal was abnormal 2
seconds after turning ON of FM4
(main body cooling 2). Two seconds
after turning FM4 OFF and ON again,
the FM4 EM signal is still abnormal
and a trouble detection signal (blown
fuse) is not detected.
The FM6 EM signal was abnormal 2
seconds after turning ON of FM6
(main body cooling 3). Two seconds
after turning FM6 OFF and ON again,
the FM6 EM signal is still abnormal
and a trouble detection signal (24V
off) is detected.
The FM6 EM signal was abnormal 2
seconds after turning ON of FM6
(main body cooling 3). Two seconds
after turning FM6 OFF and ON again,
the FM6 EM signal is still abnormal
and a trouble detection signal (blown
fuse) is not detected.
The FM6 EM signal was abnormal 2
seconds after turning ON of FM6
(main body cooling 3). Two seconds
after turning FM6 OFF and ON again,
the FM6 EM signal is still abnormal
and a trouble detection signal (24V off/
blown fuse) is not detected.
At the start of copying, an FM3 (main
body cooling 1) or FM4 (main body
cooling 2) trouble detection signal is
detected.
At the start of copying, an FM6 (main
body cooling 3) trouble detection
signal is detected.
A trouble detection signal has been
detected twice (one signal is ignored) 3
seconds after turning ON of M1 (main).
When C (T) (total counter) which has
been OFF is turned ON, a trouble
detection signal (blown fuse/24 V off)
is detected.
When C (T) (total counter) which has
been OFF is turned ON, a trouble
detection signal (blown fuse) is
detected. A trouble detection signal
(24 V off) is not detected.
4 - 64
Operation in case of Estimated abnormal
warning occurrence
The machine stops ACDB (AC drive board)
immediately. RL1 FM4 (main body cooling
(main) is turned OFF. 2)
ACDB (AC drive
board)
FM6 (main body
cooling 3)
ACDB (AC drive
board)
FM3 (main body
cooling 1)
FM4 (main body
cooling 2)
ACDB (AC drive
board)
FM6 (main body
cooling 3)
M1 (main)
Error code is not dis- ACDB (AC drive
played on operation board)
panel. It is displayed C (T) (total counter)
only on data collec-
tion, list output. How-
ever, the counter does
not function.
parts