Data Sheet

Air602_AT Instruction User Manual
 Format（ASCII）：
AT+MCLOSE<CR>
+OK<CR><LF><CR><LF>
• Parameter
Null
2.2.4.9 MQTT Result Code
Result Code
Definition
0 everything OK
-1 Out of memory error
-2 Buffer error
-3 Timeout
-4 Routing problem
-5 Operation in progress
-6 Illegal value
-7 Operation would block
-8 Address in use
-9 Already connecting
-10 Connection already established
-11 Not connected
-12 Low-level netif error
-13 Connection aborted
-14 Connection reset
-15 Connection closed
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