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Flow Chart of Troubleshooting
9-14
DIGIT300
KEYPAD
DIGIT301
KEYPAD
DIGIT3
02
KEYPA
D
DIGIT303
KEYPAD
DIGIT304
KEYPAD
DIGIT3
05
KEYPA
D
DIGIT306
KEYPAD
DIGIT307
KEYPAD
DIGIT
308
KEYP
AD
DIGIT309
KEYPAD
DOWN
KEYPAD
EN
D
KE
YP
AD
INT
KEYPAD
LE
D
30
1
LE
D
30
2
LE
D
30
3
LE
D
30
4
LE
F
T
K
E
Y
P
A
D
R
IG
H
T
K
E
Y
P
A
D
SEND
KEYPAD
SHAR
P
KEYP
AD
SOFT300
KEYPAD
SOFT301
KEYPAD
STAR
KEYPAD
UP
KEYPAD
Z
D
30
1
1
0
3
D
E
L
3
0
3
D
E
L
2
0
3
D
E
L
F
n
0
0
0
1
3
1
3
C
10
05
V
0
1
F
n
0
0
0
1
V
0
1
10
05
2
1
3
C
2
0
3
U
3
D
N
G
N
E
2
5
G
N
D
N
I
V
1
4
T
U
O
V
T
A
B
V
T
M
Y
3
.
3
-
5
6
3
5
C
I
M
7
4
1
1
3
R
5
0
0
1
4
0
3
D
E
L
N
O
_
D
E
L
_
Y
E
K
P
A
M
Y
E
K
2
1
D
N
E
S
P
U
2
1
2
N
W
O
D
1
6
0
3
T
I
G
I
D
2
1
T
F
E
L
2
1
2
1
2
1
0
0
3
T
I
G
I
D
2
1
0
0
3
T
F
O
S
2
0
3
T
I
G
I
D
4
0
3
T
I
G
I
D
2
1
3
4
5
6
1
0
3
D
Z
1
2
3
0
3
T
I
G
I
D
2
1
1
0
3
T
I
G
I
D
2
1
T
N
I
2
1
1
0
3
T
F
O
S
2
1
P
R
A
H
S
2
1
T
H
G
I
R
2
1
2
1
9
0
3
T
I
G
I
D
2
1
2
1
5
0
3
T
I
G
I
D
R
A
T
S
2
1
8
0
3
T
I
G
I
D
7
0
3
T
I
G
I
D
2
1
)
1
(
T
U
O
Y
E
K
)
0
(
T
U
O
Y
E
K
)
3
(
T
U
O
Y
E
K
)
2
(
O
I
Y
E
K
)
2
(
T
U
O
Y
E
K
)
0
(
O
I
Y
E
K
)
1
(
O
I
Y
E
K
)
2
(
N
I
Y
E
K
)
1
(
N
I
Y
E
K
)
0
(
N
I
Y
E
K