EM7590 AT+COPN reporting error

IoT Modules MC/EM Series
1

Hello,
I am using EM7590 on our product, currently I get “+CME ERROR: unknown” error message when outputting AT+COPN list, how can I troubleshoot this part?

ati
Manufacturer: Sierra Wireless
Model: EM7590
Revision: SWIX12C_01.01.07.00 2022/11/14 16:14:31
SVN: 02
IMEI: 357999720043639
FSN: DX3133017702G1
+GCAP: +CGSM

at!image?
TYPE SLOT STATUS LRU FAILURES UNIQUE_ID   BUILD_ID
FW   1    GOOD   1   0 0      ?_?         01.01.07.00_?
FW   2    EMPTY  0   0 0
FW   3    EMPTY  0   0 0
Max FW images: 3
Active FW image is at slot 1

TYPE SLOT STATUS LRU FAILURES UNIQUE_ID   BUILD_ID
PRI  FF   GOOD   0   0 0      001.002_002 01.01.07.00_GENERIC
PRI  FF   GOOD   0   0 0      001.004_000 01.01.07.00_VERIZON
PRI  FF   GOOD   0   0 0      001.002_003 01.01.07.00_ATT
PRI  FF   GOOD   0   0 0      001.002_001 01.01.07.00_TMO
Max PRI images: 50

PRI Part Number: 000007C
Revision: 001.002_003
Customer: Generic

Carrier PRI: SWIX12C_01.01.07.00_GENERIC_001.002_002

Attached is the log file of the output, thank you !
COPN_error.txt (5.1 KB)

2

Hi Link,
The issue is caused when there are non English characters in a given operators name because the default alphabet setting is IRA, you need to change it to IRA to stop the error.

AT+CSCS=”GSM”

After this change it all working well.
EM7590 AT+CPON working.txt (32.9 KB)

BR,
ElkanaM