Manuals / Huawei / Kitchen Appliance / Refrigerator

Huawei ME909u-521 manual Deleting Short Messages, Troubleshooting, Reference Process

Models: ME909u-521

1 67

Download 67 pages 9.88 Kb

Page 34

5.4.2 Troubleshooting

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

5.4.2 Troubleshooting

	Scenario			Possible Error			Solution
				Possible Error
				Information
				Information

	Error information is
	returned in response			+CMS ERROR: invalid			Check the validity of the index.
	to one of the previous			memory index			Check the validity of the index.
	to one of the previous			memory index
	commands.

5.5 Deleting Short Messages

5.5.1 Reference Process

Command	Description

AT+CMGF=0	Set the message format to PDU mode.

OK

AT+CMGL=4	List all short messages (PDU mode).

+CMGL: 6,2,,30
0011000A917179876213000
0A713C8329BFD6681D0EF
3B282C2F83F2EFFA0F
+CMGL: 11,1,,36
0791947106004013240C919
47159826990000030804131
15748013C8329BFD6681D0
EF3B282C2F83F2EFFA0F
OK

AT+CMGD=1	Delete the message stored in storage location 1.

OK

Either all messages stored in the preferred message storage or a message stored in the specified storage location in the preferred message storage can be deleted.

All read or unread messages that have been received can be deleted.

If no messages are stored in the preferred message storage, "OK" is returned when the action to delete messages is completed.

Meanings of the DelFlag value:

−1: Delete all read messages in the preferred message storage, and keep the unread, sent and unsent messages.

	Issue 01 (2013-07-05)	Huawei Proprietary and Confidential	34
		Copyright © Huawei Technologies Co., Ltd.

Image 34

Huawei ME909u-521 manual Deleting Short Messages, Troubleshooting, Reference Process

Contents

Application Guide HUAWEI ME909u-521 LTE LGA ModuleTrademarks and Permissions NO WARRANTYImport and Export Regulations Issue About This DocumentRevision History HUAWEI ME909u-521 LTE LGA Module3 Network Searching and Registration Application Scenarios Contents2 Initialization Application Scenarios 4 ECM Application Scenarios5 SMS Application Scenarios 7 SIM Operation Application ScenariosIssue Contents10 Module Powering Off and Resetting Application Scenarios HUAWEI ME909u-521 LTE LGA Module1.1.1 Conventions 1 Overview1.1 Conventions and Definitions 1.1.2 DefinitionsApplication 1.2 Organization of This DocumentMobile equipment 1.3.2 AT Command Processing Mechanism 1.3 Basic AT Command Processing Principles1.3.1 Ports Issue 01 Return results of AT commandReturn results of AT command HUAWEI ME909u-521 LTE LGA ModuleIssue All AT commands entered duringAll AT commands entered HUAWEI ME909u-521 LTE LGA ModuleTimeout Duration AT CommandAT+COPS=1,2,23415 OK 2. If the module returns failure information, go to step 2.1 Startup Indication SYSSTART 2.1.2 Troubleshooting2 Initialization Application Scenarios 2.1.1 Reference Process2.2 Querying Basic Information 2.2.2 Troubleshooting2.2.1 Reference Process 2.3 Network Service Operations 2.3.1 Reference ProcessHUAWEI ME909u-521 LTE LGA Module 2.3.2 TroubleshootingIssue Application Guide3.1 Searching and Registering Network 3 Network Searching and Registration Application Scenarios3.1.1 Reference Process HUAWEI ME909u-521 LTE LGA Module Enable automatic search for networks. AT+COPS=0Issue Network Searching and Registration ApplicationSolution 3.1.2 TroubleshootingPossible Error Scenario4.1 ECM Dialing 4 ECM Application Scenarios4.1.1 Reference Process 4.2 Querying the Dial-up Connection State 4.1.2 Troubleshooting4.2.1 Reference Process 4.3.2 Troubleshooting 4.3 Disconnecting the Dial-up Connection4.2.2 Troubleshooting 4.3.1 Reference Process5 SMS Application Scenarios 5.1 OverviewFigure 5-2 General SMS process Figure 5-1 Example of data encoded in PDU format of submitted typeFigure‎ 5-2 shows the general SMS process SMS initialization5.2 Initializing SMS 5.2.1 Reference ProcessSet the short message format to PDU Application Guide IssueHUAWEI ME909u-521 LTE LGA Module SMS Application Scenarios5.3 Sending Short Message 5.2.2 Troubleshooting5.3.1 Reference Process The message is unsuccessfully sent Send a PDU message with the wrong service center addressThe message is successfully sent HUAWEI ME909u-521 LTE LGA Module0031000B813109731147F4 0000FF04F4F29C0E ESC 5.3.2 Troubleshooting0891683108608805F931000B 813109731147F40000FF04F4 F29C0Ectrl-Z 5.4 Reading Short Messages 5.4.1 Reference ProcessAll messages 5.5 Deleting Short Messages 5.4.2 Troubleshooting5.5.1 Reference Process invalid memory 5.5.2 Troubleshootingindex 6.2 Memory Operations 6 Phonebook Application Scenarios6.1 Overview 6.2.1 Reference Processstorage types for the phonebook AT+CPBS=? +CPBS“SM”,‎“EN”,“ON” OK 6.2.2 TroubleshootingInitializing the phonebook Start Query the available Query the current phonebook storage AT+CPBS? +CPBS“ON”,0,0 OK6.3 Reading Phonebook Entries 6.3.1 Reference Process6.3.2 Troubleshooting Initialize the phonebook6.3.3 Writing/Deleting Phonebook Entries 6.3.4 Reference Process 6.3.5 Troubleshooting 6.4 Searching for Phonebook Entries 6.4.1 Reference Process6.5 Querying User Number 6.4.2 Troubleshooting6.5.1 Reference Process 6.5.2 Troubleshooting 6.6 Setting the TEs Character Sets6.6.1 Reference Process +CPBR 6.6.2 TroubleshootingAT+CPBR=1 1,0123456789,129,0048005500417.1 PIN Operations 7 SIM Operation Application Scenarios7.1.1 Reference Process 7.1.2 Troubleshooting  Either CPIN or +CPIN can be used to authenticate the PIN7.2 CRSM Command 7.2.1 Reference Process If pathid is not contained in the command, the module will prefer to access the files with the same FID in the current directory Solution 7.2.2 TroubleshootingPossible Error Scenario8 Sleeping and Waking Up Application Scenarios Interface 8.1 Hardware InterfacesDiagram Pin nameHUAWEI ME909u-521 LTE LGA Module 8.2 Sequence DiagramIssue 01 Application Guide8.3 Software Interfaces 8.3.1 PrincipleFigure 8-5 Currency state when the module is in sleep mode 8.3.2 USB and Sleep 8.3.4 Module Wake-up Remotely Waking up the Host Using USB8.3.3 UART and Sleep 8.3.5 Host Woken up by ModuleHS Hub WAKEUPOUT Waking up the HostHS Device 8.4 Application Scenarios System with USB Connection only 8.4.2 Software ProcedureRemote Wake-up Configuration 8.4.1 Hardware Connection8.4.3 Advantages 8.5.2 Software Procedure8.5 Application Scenarios System with USB and WAKEUPOUT 8.5.1 Hardware Connection8.6 System with Other Connection Methods 8.5.3 Advantages9 Thermal Protection Application Scenarios 9.1 Pre-configuration9.1.1 Troubleshooting 9.2 Thermal Protection ProcessApplication Guide IssueHUAWEI ME909u-521 LTE LGA Module Thermal Protection Application Scenarios10.1.2 Troubleshooting 10 Module Powering Off and Resetting Application Scenarios10.2 Power Off ME 10.1 Restarting the MEIssue 10.2.2 TroubleshootingModule Powering Off and Resetting Application HUAWEI ME909u-521 LTE LGA Module11.1 Relative Documents 11 Appendix11.2 Acronyms and Abbreviations IMEI