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Huawei manual Troubleshooting, HUAWEI ME909u-521 LTE LGA Module, Application Guide, Issue

Models: ME909u-521

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HUAWEI ME909u-521 LTE LGA Module
Application Guide	Initialization Application Scenarios

2.3.2Troubleshooting

Scenario	Possible Error Information	Solution

AT+COPS?	+CME ERROR: SIM failure	No SIM card is detected. Insert
AT+COPS?	+CME ERROR: SIM failure	a SIM card.
		a SIM card.

AT+CREG?	+CME ERROR: SIM failure	No SIM card is detected. Insert
AT+CREG?	+CME ERROR: SIM failure	a SIM card.
		a SIM card.

Issue 01 (2013-07-05)	Huawei Proprietary and Confidential	17
	Copyright © Huawei Technologies Co., Ltd.

Page 17

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Huawei manual Troubleshooting, HUAWEI ME909u-521 LTE LGA Module, Application Guide, Initialization Application Scenarios

Contents

HUAWEI ME909u-521 LTE LGA Module Application GuideImport and Export Regulations NO WARRANTYTrademarks and Permissions Revision History About This DocumentIssue HUAWEI ME909u-521 LTE LGA Module2 Initialization Application Scenarios Contents3 Network Searching and Registration Application Scenarios 4 ECM Application Scenarios7 SIM Operation Application Scenarios 5 SMS Application Scenarios10 Module Powering Off and Resetting Application Scenarios ContentsIssue HUAWEI ME909u-521 LTE LGA Module1.1 Conventions and Definitions 1 Overview1.1.1 Conventions 1.1.2 DefinitionsMobile equipment 1.2 Organization of This DocumentApplication 1.3.1 Ports 1.3 Basic AT Command Processing Principles1.3.2 AT Command Processing Mechanism Return results of AT command Return results of AT commandIssue 01 HUAWEI ME909u-521 LTE LGA ModuleAll AT commands entered All AT commands entered duringIssue HUAWEI ME909u-521 LTE LGA ModuleAT+COPS=1,2,23415 OK AT CommandTimeout Duration 2. If the module returns failure information, go to step 2 Initialization Application Scenarios 2.1.2 Troubleshooting2.1 Startup Indication SYSSTART 2.1.1 Reference Process2.2.1 Reference Process 2.2.2 Troubleshooting2.2 Querying Basic Information 2.3.1 Reference Process 2.3 Network Service OperationsIssue 2.3.2 TroubleshootingHUAWEI ME909u-521 LTE LGA Module Application Guide3.1.1 Reference Process 3 Network Searching and Registration Application Scenarios3.1 Searching and Registering Network Issue Enable automatic search for networks. AT+COPS=0HUAWEI ME909u-521 LTE LGA Module Network Searching and Registration ApplicationPossible Error 3.1.2 TroubleshootingSolution Scenario4.1.1 Reference Process 4 ECM Application Scenarios4.1 ECM Dialing 4.2.1 Reference Process 4.1.2 Troubleshooting4.2 Querying the Dial-up Connection State 4.2.2 Troubleshooting 4.3 Disconnecting the Dial-up Connection4.3.2 Troubleshooting 4.3.1 Reference Process5.1 Overview 5 SMS Application ScenariosFigure‎ 5-2 shows the general SMS process Figure 5-1 Example of data encoded in PDU format of submitted typeFigure 5-2 General SMS process SMS initialization5.2.1 Reference Process 5.2 Initializing SMSSet the short message format to PDU HUAWEI ME909u-521 LTE LGA Module IssueApplication Guide SMS Application Scenarios5.3.1 Reference Process 5.2.2 Troubleshooting5.3 Sending Short Message The message is successfully sent Send a PDU message with the wrong service center addressThe message is unsuccessfully sent HUAWEI ME909u-521 LTE LGA Module0891683108608805F931000B 813109731147F40000FF04F4 F29C0Ectrl-Z 5.3.2 Troubleshooting0031000B813109731147F4 0000FF04F4F29C0E ESC 5.4.1 Reference Process 5.4 Reading Short MessagesAll messages 5.5.1 Reference Process 5.4.2 Troubleshooting5.5 Deleting Short Messages index 5.5.2 Troubleshootinginvalid memory 6.1 Overview 6 Phonebook Application Scenarios6.2 Memory Operations 6.2.1 Reference ProcessInitializing the phonebook Start Query the available 6.2.2 Troubleshootingstorage types for the phonebook AT+CPBS=? +CPBS“SM”,‎“EN”,“ON” OK Query the current phonebook storage AT+CPBS? +CPBS“ON”,0,0 OK6.3.1 Reference Process 6.3 Reading Phonebook EntriesInitialize the phonebook 6.3.2 Troubleshooting6.3.3 Writing/Deleting Phonebook Entries 6.3.4 Reference Process 6.3.5 Troubleshooting 6.4.1 Reference Process 6.4 Searching for Phonebook Entries6.5.1 Reference Process 6.4.2 Troubleshooting6.5 Querying User Number 6.6.1 Reference Process 6.6 Setting the TEs Character Sets6.5.2 Troubleshooting AT+CPBR=1 6.6.2 Troubleshooting+CPBR 1,0123456789,129,0048005500417.1.1 Reference Process 7 SIM Operation Application Scenarios7.1 PIN Operations  Either CPIN or +CPIN can be used to authenticate the PIN 7.1.2 Troubleshooting7.2.1 Reference Process 7.2 CRSM Command If pathid is not contained in the command, the module will prefer to access the files with the same FID in the current directory Possible Error 7.2.2 TroubleshootingSolution Scenario8 Sleeping and Waking Up Application Scenarios Diagram 8.1 Hardware InterfacesInterface Pin nameIssue 01 8.2 Sequence DiagramHUAWEI ME909u-521 LTE LGA Module Application Guide8.3.1 Principle 8.3 Software InterfacesFigure 8-5 Currency state when the module is in sleep mode 8.3.2 USB and Sleep 8.3.3 UART and Sleep Remotely Waking up the Host Using USB8.3.4 Module Wake-up 8.3.5 Host Woken up by ModuleHS Device WAKEUPOUT Waking up the HostHS Hub Remote Wake-up Configuration 8.4.2 Software Procedure8.4 Application Scenarios System with USB Connection only 8.4.1 Hardware Connection8.5 Application Scenarios System with USB and WAKEUPOUT 8.5.2 Software Procedure8.4.3 Advantages 8.5.1 Hardware Connection8.5.3 Advantages 8.6 System with Other Connection Methods9.1.1 Troubleshooting 9.1 Pre-configuration9 Thermal Protection Application Scenarios 9.2 Thermal Protection ProcessHUAWEI ME909u-521 LTE LGA Module IssueApplication Guide Thermal Protection Application Scenarios10.2 Power Off ME 10 Module Powering Off and Resetting Application Scenarios10.1.2 Troubleshooting 10.1 Restarting the MEModule Powering Off and Resetting Application 10.2.2 TroubleshootingIssue HUAWEI ME909u-521 LTE LGA Module11.2 Acronyms and Abbreviations 11 Appendix11.1 Relative Documents IMEI