程序如下，谁能帮我看看问题在哪里，为什么网络14和16里面Q点不能自锁，还有哪地方不合理的，这是一个小车的控制程序

Network 1

LD     SM0.1
CALL   SBR0
Network 2

LD     SM0.0
MOVD   HC0, VD1000
Network 3
LD     I0.5
EU
A      I1.2
AN     M0.0
A      I1.3
S      S0.1, 1
Network 4
LDN    I1.2
R      S0.1, 2
Network 5
LSCR   S0.1
Network 6
LD     S0.1
A      I0.3
=      Q0.1
=      Q0.2
Network 7
LDN    I0.3
SCRT   S0.2
Network 8
SCRE
Network 9
LSCR   S0.2
Network 10
LD     S0.2
A      I0.2
AN     I0.4
=      Q0.0
=      Q0.2
Network 11
LD     I0.4
EU
MOVD   0, VD1000
AENO
CALL   SBR0
Network 12
SCRE
Network 13
LD     I1.0
O      I1.4
AN     S0.1
AN     S0.2
A      I0.2
A      I0.3
A      I1.2
A      I1.3
=      M0.0
Network 14
LD     I1.0
O      Q0.0
A      I0.2
AD>=   HC0, VD100
AN     Q0.1
=      Q0.0
Network 15
LD     Q0.0
LPS
AD<    HC0, 10000
=      Q0.5
LRD
AD>=   HC0, 10000
AD<    HC0, 20000
=      Q0.4
LRD
AD>=   HC0, 10000
AD<    HC0, 20000
=      Q0.3
LPP
AD>=   HC0, 20000
=      Q0.2
Network 16
LD     I1.1
O      Q0.1
A      I0.3
AD>=   VD104, HC0
AN     Q0.0
=      Q0.1
Network 17
LD     Q0.1
LPS
AD<    HC0, 10000
=      Q0.2
LRD
AD>=   HC0, 10000
AD<    HC0, 20000
=      Q0.3
LRD
AD>=   HC0, 10000
AD<    HC0, 20000
=      Q0.4
LPP
AD>=   HC0, 20000
=      Q0.5