Service manual

ELECTRIC PARTS LIST
4-45
3 DIS./ASSEMBLY
4 ELECTRIC PARTS LIST
FNS
FNS abnor-
mality
F77-21 After M718 (folding stopper) starts
operation, PS723 (folding stopper
HP) does not turn ON within the
specified time.
The machine stops
immediately and RL1
(main) is turned OFF.
FNSCB (FNS control board)
RB (relay board)
M718 (folding stopper)
PS723 (folding stopper HP)
F77-22 After M716 (alignment /L) starts
operation, PS724 (alignment HP/L)
does not turn ON within the speci-
fied time.
FNSCB (FNS control board)
RB (relay board)
M716 (alignment /L)
PS724 (alignment /L)
F77-25 After M719 (folding knife) starts the
HP detecting operation, PS722
(folding knife HP) does not turn ON
within the specified time.
FNSCB (FNS control board)
M719 (folding knife)
PS722 (folding knife HP)
F77-26 After M720 (folding conveyance)
starts operation, it does not reach
the prescribed speed within the
specified time.
FNSCB (FNS control board)
M720 (folding conveyance)
PI
abnormality
F77-41 After M202 (tray up/down /L) starts
operation, PS209 (tray upper limit /
L) or PS210 (tray lower limit /L) do
not turn ON within the specified
time.
FNSCB (FNS control board)
PIDB (PI drive board)
M202 (tray up/down /L)
M209 (tray upper limit /L)
PS210 (tray lower limit /L)
PI
abnormality
F77-42 After M201 (tray up/down/ U) starts
operation, PS204 (tray upper limit /
U) or PS205 (tray lower limit /U) do
not turn ON within the specified
time.
FNSCB (FNS control board)
PIDB (PI drive board)
M201 (tray up/down /U)
PS204 (tray upper limit /U)
PS205 (tray lower limit /U)
F77-43 After M203 (PI conveyance) starts
operation, it does not reach the pre-
scribed speed within the specified
time.
FNSCB (FNS control board)
M203 (PI conveyance)
PK
abnormality
F77-54 After MC801 (punch) starts opera-
tion, PS801 (punch HP) does not
turn ON within the specified time.
FNSCB (FNS control board)
PKDB (PK drive board)
M801 (punch)
PS801 (punch HP)
FNS
abnormality
F77-81 After MC712 (gate drive) starts
operation, PS716 (gate HP) does
not turn ON within the specified
time or does not turn OFF after ON.
FNSCB (FNS control board)
RB (relay board)
M712 (gate drive)
PS716 (gate HP)
F77-91 Communication abnormality in
FNS CB (FNS control board) when
sub-CPU receives data.
FNS CB (FNS control
board)
F77-92 Communication abnormality in
FNS CB (FNS control board) when
main CPU receives data.
Classification
Warning
Code
Cause Machine response
Estimated
abnormal parts