Konica Minolta 7145 Service Manual page 390

ERROR CODE LIST
Classification Warning
code
FS-114 F77-28
F77-29
FS-113 F77-53
F77-54
FS-114 F77-55
3
Causes
M5-FN (Alignment motor 2) driv-
ing failure
• PC7-FN (Alignment home
position sensor 2) does not
ON within specified time from
starting of alignment plate
home position search.
• PC7-FN does not OFF within
specified time from starting of
alignment plate HP search.
SL2-FN (Exit paddle solenoid)
driving failure
• PC11-FN (Exit paddle home
position sensor) does not ON
within specified time from
SL2-FN ON (paddle move
aside).
• PC11-FN does not OFF within
specified time from SL2-FN
ON (during pressing paper).
M11 (Punch motor) drive abnormality
The PC15 (Punch motor pulse
sensor) does not turn OFF the
specified period of time after the
M11 turns on.
M14 (Punch movement motor)
drive abnormality (inch system
only)
• When starting the punch 2-
hole position switch drive, the
S4 (punch hole position
switch) is not turned ON in the
specified period of time after
the M14 is turned ON.
• When starting the punch 3-
hole position switch drive, the
S4 is not turned OFF in the
specified period of time after
the M14 is turned ON.
Punch motor drive failure
During driving punch motor,
punch position sensor 1,2 do not
OFF within specified time.
Resulting
operation
The main
body stops
immediately,
and the RL1
(Main) turn
OFF.
4-58
Estimated abnormal parts
M5-FN (Alignment motor 2)
PWB-A FN (Control board)
PC7-FN (Alignment home
position sensor 2)
L2-FN (Exit paddle solenoid)
PWB-A FN (Control board)
PC11-FN (Exit paddle home
position sensor)
M11 (Punch motor)
PC15 (Punch motor pulse sensor)
PWB-A FN (Control board)
Punch motor
Punch position sensor 1
Punch position sensor 2
PWB-A (Control board)
M14 (Punch movement motor)
S4 (Punch hole position switch)