Multi-Tech Systems MTCBA-G-F2 - Manual (Page 50)

Troubleshooting
50
Interpretation of Extended Error Codes
related to “no carrier” message (cont’d)
Error Code Diagnostic Hint
50 Requested
facility not
subscribed Check your subscription
(data subscription
available?)
68 ACM equal or
greater than
ACM Max Credit of your pre-paid
SIM card expired?
252 Call barring on
outgoing calls Not applicable
253 Call barring on
outgoing calls Not applicable
3, 6, 8, 29,
34, 38,
41,42, 43,
44, 47, 49,
57, 58, 63,
65, 69, 70,
79, 254 Network causes Call network provider
See AT commands manual
for further details.
For all other codes, and/or details, see AT commands manual.
Further troubleshooting information will be presented on the
(searchable) MultiTech web site as such information becomes
available.