AT编程常见问题与错误代码的意义

首先你需要返回具体的错误代码而不是仅仅返回一个ERROR。

执行以下指令即可

如果您想在出错后得到错误代码号，需将GSM Modem作如下设置：
AT+CMEE=1

然后对应下面的具体错误代码快速解决问题

0 phone failure
1 no connection to phone
2 phone-adaptor link reserved
3 operation not allowed
4 operation not supported
5 PH-SIM PIN required
6 PH-FSIM PIN required
7 PH-FSIM PUK required
10 SIM not inserted
11 SIM PIN required
12 SIM PUK required
13 SIM failure SIM300 AT Command Set
14 SIM busy
15 SIM wrong
16 incorrect password
17 SIM PIN2 required
18 SIM PUK2 required
20 memory full
21 invalid index
22 not found
23 memory failure
24 text string too long
25 invalid characters in text string
26 dial string too long
27 invalid characters in dial string
30 no network service
31 network timeout
32 network not allowed - emergency calls only
40 network personalization PIN required
41 network personalization PUK required
42 network subset personalization PIN required
43 network subset personalization PUK required
44 service provider personalization PIN required
45 service provider personalization PUK required
46 corporate personalization PIN required
47 corporate personalization PUK required
100 unknown
103 illegal MS
106 illegal ME
107 GPRS services not allowed
111 PLMN not allowed
112 location area not allowed
113 roaming not allowed in this location area
132 service option not supported
133 requested service option not subscribed
134 service option temporarily out of order
148 unspecified GPRS error
149 PDP authentication failure
150 invalid mobile class

300 ME failure
301 SMS ME reserved
302 operation not allowed
303 operation not supported
304 invalid PDU mode
305 invalid text mode
310 SIM not inserted
311 SIM pin necessary
312 PH SIM pin necessary
313 SIM failure
314 SIM busy
315 SIM wrong
316 SIM PUK required
317 SIM PIN2 required
318 SIM PUK2 required
320 memory failure
321 invalid memory index
322 memory full
330 SMSC address unknown
331 no network
332 network timeout
500 unknown
512 SIM not ready
513 unread records on SIM
514 CB error unknown
515 PS busy
517 SM BL not ready
528 Invalid (non-hex) chars in PDU SIM300 AT Command Set
529 Incorrect PDU length
530 Invalid MTI
531 Invalid (non-hex) chars in address
532 Invalid address (no digits read)
533 Incorrect PDU length (UDL)
534 Incorrect SCA length
536 Invalid First Octet (should be 2 or 34)
537 Invalid Command Type
538 SRR bit not set
539 SRR bit set
540 Invalid User Data Header IE
577 GPRS - activation rejected by GGSN
578 PRS - unspecified activation rejection
579 GPRS - bad code or protocol rejection
580 GPRS - can't modify address
581 GPRS - CHAP close
582 GPRS - profile (cid) currently unavailable
583 GPRS - a profile (cid) is currently active SIM300 AT Command Set
584 GPRS - combined services not allowed
585 GPRS - conditional IE error
586 GPRS - context activation rejected
587 GPRS - duplicate TI received
588 GPRS - feature not supported
589 GPRS - service not available
590 GPRS - unknown IE from network
591 GPRS - implicitly detached
592 GPRS - insufficient resources
593 GPRS - invalid activation state (0-1)
594 GPRS - invalid address length
595 GPRS - invalid character in address string
596 GPRS - invalid cid value
597 GPRS - invalid dial string length
598 GPRS - mode value not in range
599 GPRS - invalid MAND information
600 GPRS - SMS service preference out of range
601 GPRS - invalid TI value
602 GPRS - IPCP negotiation timeout
603 GPRS - LCP negotiation timeout
604 GPRS - LLC error
605 GPRS - LLC or SNDCP failure
606 GPRS - lower layer failure
607 GPRS - missing or unknown APN
608 GPRS - mobile not ready
609 GPRS - MS identity not in network
610 GPRS - MSC temporarily not reachable
611 GPRS - message incompatible with state
612 GPRS - message type incompatible with state
613 GPRS - unknown message from network
614 GPRS - NCP close
615 GPRS - network failure
616 PRS - no echo reply
617 GPRS - no free NSAPIs
618 GPRS - processing of multiple cids not supported
619 GPRS - no PDP context activated
620 GPRS - normal termination
621 GPRS - NSAPI already used
622 GPRS - address element out of range
623 GPRS - PAP close
624 GPRS - PDP context w/o TFT already activated
625 GPRS - PDP type not supported
626 GPRS - peer refuses our ACCM
627 GPRS - peer refuses our IP address SIM300 AT Command Set
628 GPRS - peer refuses our MRU
629 GPRS - peer requested CHAP
630 GPRS - profile (cid) not defined
631 GPRS - unspecified protocol error
632 GPRS - QOS not accepted
633 GPRS - QOS validation fail
634 GPRS - reactivation required
635 GPRS - regular deactivation
636 GPRS - semantic error in TFT operation
637 GPRS - semantic errors in packet filter
638 GPRS - semantically incorrect message
639 GPRS - service type not yet available
640 GPRS - syntactical error in TFT operation
641 GPRS - syntactical errors in packet filter
642 PRS - too many RXJs
643 GPRS - unknown PDP address or type
644 GPRS - unknown PDP context
645 GPRS - user authorization failed
646 GPRS - QOS invalid parameter
673 audio manager not ready
674 audio format cannot be configured
705 SIM toolkit menu has not been configured
706 SIM toolkit already in use
707 SIM toolkit not enabled
737 +CSCS type not supported
738 CSCS type not found
741 must include with
742 incorrect format
743 length too long
744 SIM full
745 unable to change PLMN list
746 network operator not recognized
749 invalid command length
750 invalid input string
753 missing required cmd parameter
754 invalid SIM command
755 invalid File Id
756 missing required P1/2/3 parameter
757 invalid P1/2/3 parameter
758 missing required command data
759 invalid characters in command data
765 invalid input value
766 unsupported value or mode
767 operation failed SIM300 AT Command Set
768 multiplexer already active
769 unable to get control of required module
770 SIM invalid - network reject
771 call setup in progress
772 SIM powered down
773 SIM File not present