5.2
The modem always returns «Error» when trying to issue a communication
A) Issue AT+CMEE=1 to have extended error code and retry
For all other codes, and/or details, see AT commands manual.
B) Additional hints
❏
Is the modem registered on the network?
Does the AT-Command AT + CREG? answers 0,1 (registered) or 0,5 (registered roaming)?
➫
If not, check that the received signal is strong enough to synchronize on the Network (use AT+CSQ).
TROUBLESHOOTING
Wavecom WMOD2B Modem
13
r
o
r
r
E
e
d
o
c
c
i
t
s
o
n
g
a
i
D
t
n
i
H
0
e
r
u
l
i
a
f
e
n
o
h
P
t
r
o
p
p
u
s
l
a
c
i
n
h
c
e
t
r
u
o
y
l
l
a
C
3
d
e
w
o
l
l
a
t
o
n
n
o
i
t
a
r
e
p
O
4
d
e
t
r
o
p
p
u
s
t
o
n
n
o
i
t
a
r
e
p
O
0
1
d
e
t
r
e
s
n
i
t
o
n
M
I
S
→
,
m
e
d
o
m
e
h
t
f
o
r
e
d
l
o
h
M
I
S
e
h
t
n
i
d
r
a
c
M
I
S
e
h
t
t
r
e
s
n
I
→
.
d
e
t
r
e
s
n
i
y
l
r
e
p
o
r
p
d
n
a
n
a
e
l
c
s
i
t
i
t
a
h
t
e
r
u
s
n
i
,
d
e
t
r
e
s
n
i
s
i
d
r
a
c
M
I
S
f
I
1
1
d
e
r
i
u
q
e
r
N
I
P
M
I
S
e
d
o
c
N
I
P
r
e
t
n
E
2
1
d
e
r
i
u
q
e
r
K
U
P
M
I
S
)
e
d
o
c
s
i
h
t
w
o
n
k
t
’
n
o
d
u
o
y
f
i
r
e
d
i
v
o
r
p
k
r
o
w
t
e
n
r
u
o
y
l
l
a
c
(
e
d
o
c
K
U
P
r
e
t
n
E
3
1
e
r
u
l
i
a
F
M
I
S
k
r
o
w
t
e
n
r
u
o
y
l
l
a
c
,
d
e
g
a
m
a
d
M
I
S
f
I
.
d
r
a
c
M
I
S
r
u
o
y
f
o
y
t
i
d
i
l
a
v
k
c
e
h
C
r
e
d
i
v
o
r
p
6
1
d
r
o
w
s
s
a
p
t
c
e
r
r
o
c
n
I
d
e
r
e
t
n
e
u
o
y
e
d
o
c
e
h
t
k
c
e
h
C
7
1
d
e
r
i
u
q
e
r
2
N
I
P
M
I
S
e
d
o
c
2
N
I
P
r
e
t
n
E
8
1
d
e
r
i
u
q
e
r
2
K
U
P
M
I
S
s
i
h
t
w
o
n
k
t
’
n
o
d
u
o
y
f
i
r
e
d
i
v
o
r
p
k
r
o
w
t
e
n
r
u
o
y
l
l
a
c
(
e
d
o
c
2
K
U
P
r
e
t
n
E
)
e
d
o
c
6
2
g
n
o
l
o
o
t
g
n
i
r
t
s
l
a
i
D
)
s
t
i
g
i
d
0
2
x
a
m
(
r
e
b
m
u
n
e
n
o
h
p
r
u
o
y
k
c
e
h
C
0
3
e
c
i
v
r
e
s
k
r
o
w
t
e
n
o
N