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SMS Lite 4G

–

 User Guide 

© 2022 QTech Data Systems Ltd 

 

17 

Troubleshooting 

If you experience difficulties getting the unit working in your area it may be for a number of reasons 
including (but not limited to): 

1.

 

The account balance on the SIM is zero. 

2.

 

The device is out of mobile network coverage, which may also depend on the antenna being 
used. 

3.

 

The SIM is from an unrecognised Mobile Network Operator (MNO). 

4.

 

The device is operating in an area where the mobile infrastructure (such as frequency band 
or protocol) is not supported by the SMS Lite device hardware. 

5.

 

The SIM is from a virtual mobile network operator and may be using a different SMS SCA 
(Service Centre Address, sometimes referred to as service centre number) or the SCA has 
not been programmed or provisioned on the SIM correctly. 

6.

 

The device is running on older firmware which can result in issue number 3 above. 

 
There are some actions that can be taken to assist QTech with diagnosing the issue. These involve 
carefully noting the actions of the indicator LED as it powers up and also counting the number of 
pulses in an error code when it is displayed. 
 
The typical boot sequence when the device starts is as follows: 

- 

The device will turn the status LED on then flash briefly with a number of flashes (potentially 
error code 6 indicating the device is busy).  

- 

The device then turns the indicator off and if there is another error code this will be 
displayed (e.g. error code 4 indicating it is not yet registered on the network) 

- 

If this error code is repeatedly displayed, then this is the code that should be reported to 
QTech. 

- 

If the error code is replaced by the heartbeat indication (very short flash every few seconds) 
then the device is in its normally operating mode and is registered on the mobile network. 

 
You can quickly check the unit is running by performing a verification test, if your device is running 
version 4.04 of the firmware or later. 
 

Performing a Verification Test 

Step 

Description 

Note 

1 

Remove the top cover of 
the unit 

Power down the device. 
The top cover is held in place using dimpled locators. The cover is 

“sprung” open by 

gently prising the lid corners up. A flat bladed 

screwdriver can be used to assist but ensure that you avoid 
touching the electronics or scratching the device metalwork. 

 

2 

Insert a valid SIM card 

Ensure the SIM you are using has a valid SCA number and phone 
number and is known to be working (test in a phone beforehand if 
necessary). 

mainboard 

daughterboard 

Summary of Contents for sms lite

Page 1: ...SMS Lite 4G User Guide SMS Lite 4G Version 2 3 ...

Page 2: ...l Configuration 10 Naming Conventions 10 Additional Phone Numbers 10 Configuration Options 10 Escalations 11 Advanced Commands 12 Debouncing Inputs 12 Clearing Configuration Settings 12 Supply Voltage Alarm 12 Message Paths 13 Alarms 13 Alarm Acknowledgements 14 Alarm Messages for Escalations 14 Alarm Escalations Stop After Delivery 14 Other Alarm Messages 14 Information Commands 15 Output Control...

Page 3: ...al Phone Number 21 Replace An Individual Phone Number 21 Clear All Settings 21 Output Permissions Default 21 Empty Configuration Values 21 Active Alarm Interruption 21 Error Message 21 Case Sensitivity 21 Technical Specifications 22 SMS Lite Specification 22 Configuration Worksheet 23 Warranty 24 Additional Information and Support 24 ...

Page 4: ...on V1 0 10 11 14 IH Original Format V1 1 23 02 15 RH FA Addition of debounce option for inputs formatting update V1 2 13 03 15 FA Reword escalation sentence pg10 Edit diagram for Input Output V1 3 22 08 16 RH Minor alterations to suit V3 00 Firmware V1 4 20 09 16 RH Added SIM Busy error code V1 5 23 02 18 GP Added notices to clarify security conditions required for messages to be processed Added a...

Page 5: ...are is required The SMS Lite supports connection to current New Zealand telecommunications companies Spark Vodafone 2Degrees and selected Australian Networks including Telstra and Optus but not all frequency band classes Contact QTech for advice on supported networks if necessary Each SMS Lite is supplied with the following Qty 1x SMS Lite Module P N PD8640 4G Qty 1x Antenna stub type 2dBi gain P ...

Page 6: ... messages Carefully remove the SMS Lite cover by prising the side panels close to the retaining dimples Locate the SIM card holder adjacent to the antenna Push the top of the holder in the direction of the Open arrows to Unlock toward antenna then flip open away from the antenna Carefully insert the SIM card from your chosen Telco Be careful to orientate the card correctly once in place carefully ...

Page 7: ...nally protected by solid state snubbers for operating with inductive loads The default output relay names are RLY1 RLY2 RLY3 RLY41 which can be renamed The output relays are normally open contacts Send ON command to close RLY1 operating light Warning DO NOT directly connect to 220V AC voltage The New Zealand and Australian wiring regulations require that any wiring in excess of 32 volts must be ca...

Page 8: ...1 Locate the PIN Personal Identification Number printed inside your SMS Lite case The PIN in this example is 12345 2 Compose text message to the SMS Lite mobile number in the following format PIN space Ph1 number 0123456789 dot e g 12345 Ph1 number 027987654 3 A confirmation text will be sent to you acknowledging a configuration change SMS Lite SMS Lite You have changed the configuration of the SM...

Page 9: ...utput name e g ON RLY1 Turn the specified output off OFF output name e g OFF RLY1 To pulse an output on for one second then off again PULSE output name e g PULSE RLY1 To pulse an output for a defined period of time PULSE output name duration units e g PULSE RLY1 10 mins Where the units can be ms sec min or hr and the maximum duration is 1 day This is all that is required for the master phone numbe...

Page 10: ...names each name must be unique Additional Phone Numbers Configure up to 3 additional users to allow notification and control options using the same process used to configure the Ph1 Master user 1 Compose text message to the SMS Lite mobile number in the following format PIN space Ph2 number 0124567890 dot e g 12345 Ph2 number 022987654 2 A confirmation text will be sent to you acknowledging a conf...

Page 11: ...s Ph1 Ph3 Or you can send 1 combined message e g 12345 Site Name Shed1 INP1 Name Pump INP1 Phones Ph1 Ph2 Ph3 Escalations When programming the alarm escalations to phone numbers it is important to note that the numbers step in numerical order E g Ph1 Ph2 Ph4 and Ph1 Ph2 Ph3 will work however if you were to attempt to program Ph4 Ph2 Ph3 the configuration text would be accepted but the escalation o...

Page 12: ...h input Program the debounce option and value using the following instruction PIN space object item value dot 12345 site debounce value e g 12345 site debounce 1min The value must be written in the following format 0sec 5sec 10sec 30sec 1min 5min 10min 15min For example 12345 site debounce 10sec Clearing Configuration Settings To clear all of the SMS Lite configuration settings use the message PIN...

Page 13: ...ample 5 Output Control Output with Phone 1 OUTPUT TURNS ON OFF OR PULSE Ph1 END OF PROCESS Example 3 Phone 1 Alerted No Response Escalate to Phone 2 After 10 Mins OK INPUT END OF PROCESS INPUT TURNS ON OFF TXT ALERT SENT NO RESPONSE 10 Mins 2 nd TXT ALERT SENT Ph1 Ph2 RECEIVE SEND SEND Example 4 Phone 1 No Response Escalate to Phone 2 After 10 Mins Busy Escalate to Phone 3 SEND RECEIVE SEND SEND 2...

Page 14: ...nput You are the nth of N to be sent this e g Shed1 Pump has turned ON Reply OK Pump or BUSY Pump You are the 2nd person of 3 to be sent this message The last person in the escalation list receives a different message as they don t have the option to reply BUSY Format Site Input has turned ON Reply OK Input You are the nth of N to be sent this e g Shed1 Pump has turned ON Reply OK Pump You are the...

Page 15: ... g Text BAL The SMS Lite will request the prepay account balance information from the cellular operator then forward that message or messages to the phone number that requested it Not available from 2 Degrees STATS e g Text STATS The SMS Lite will respond with information about the Radio Signal Strength This will range from 50dBm to 110dBm and is reported as Strong Medium or Weak INFO e g Text INF...

Page 16: ...e returned to QTech for service Error Code 2 3 flashes indicates the Modem will not respond to commands This error code requires the SMS Lite be returned to QTech for service Error Code 3 4 flashes indicates the SIM card is not inserted This error code may be fixed by checking the SIM card inside the SMS Lite Error Code 4 5 flashes indicates the SMS Lite is not registered to the cellular network T...

Page 17: ...oot sequence when the device starts is as follows The device will turn the status LED on then flash briefly with a number of flashes potentially error code 6 indicating the device is busy The device then turns the indicator off and if there is another error code this will be displayed e g error code 4 indicating it is not yet registered on the network If this error code is repeatedly displayed the...

Page 18: ...ng a new text message addressed to the device s phone number Test Note that no PIN number is required 5 Verify operation If the device is operating the LED will indicate 1 short flash every two seconds This is called the Heartbeat indication When it receives the test message the LED will display a test pattern on the LED for a few seconds consisting of alternating long and short flashes i e short ...

Page 19: ... flashing on and off slowly F If the test pattern is not displayed this means that the device may not be registered on the network or there is a lack of coverage or network unavailability or that the network does not offer coverage in the frequency band classes supported by the device hardware If the SIM works correctly in a phone then the issue may be one of frequency band operation Contact QTech...

Page 20: ...more details 4 SMS messages on this device are limited to 160 Characters to provide compatibility with older GSM services There may be occasions when messages are truncated due to this limitation To avoid this set and check the debounce time before assigning phones to inputs 5 If there are no phones explicitly programmed for an input see configuration overview then when the input changes state the...

Page 21: ...clear all programming Output Permissions Default If you do not program the phone numbers for an output then each person Ph1 Ph4 will automatically have permission to send control commands to the output Empty Configuration Values As per the example above to clear an individual phone number it is valid to specify an empty value this might be useful if you want to prevent all phones from being able t...

Page 22: ...ity 0 90 non condensing Ingress Protection IP20 water contact must be avoided Power Input voltage 12 24V DC Current 13mA 12V DC 9mA 24V DC Power Connector 2 1mm DC socket centre positive I O Digital Inputs 3 x signal ground pairs switched to ground Input voltage 4V max Input Current 4mA Ground inputs are internally tied to power ground Digital Outputs 3 x isolated relay output pairs Output voltage...

Page 23: ...erson Ph1 Ph2 Ph3 Ph4 e g Input 1 Input 2 Input 3 Input 4 Name Pump Phones Ph1 Ph2 Ph3 Program the phones which will be included in each input escalation if required e g Output 1 Output 2 Name Fan Phones Ph1 Ph2 Ph4 Program the phones which will have permission to control outputs Additional sheets can be downloaded from our website https qtech co nz ...

Page 24: ...tion as the conditions in which it is used are beyond our control This is not withstanding warranty of merchantability Additional Information and Support If you have problems try the following Visit the QTech web site for application notes and guides Refer to the troubleshooting section if one is present in this document Contact the support desk at support qtech co nz Phone the support desk contac...

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