Novatel MT 3060 U Manuale utente

90029335

MT 3060 U

Troubleshooting Guide

Version1.00 Draft A March 7, 2016

NOVATEL WIRELESS COPYRIGHT STATEMENT

to change without noticeand shouldnot beconstruedas acommitment byNovatelWireless, Inc.

NOVATEL WIRELESS TRADEMARKS AND SERVICE MARKS

NovatelWireless isa trademark ofNovatelWireless,Inc., andtheother trademarks,logos,andservice

marks (collectivelythe“Trademarks”)usedin this user manualarethepropertyofNovatelWireless or

their respectiveowners.Nothingcontainedinthis user manualshouldbeconstruedas grantingby

implication, estoppel, orotherwise,alicenseor right ofuseofNovatelWireless or any other Trademark

displayedinthis user manualwithout thewrittenpermissionofNovatelWireless or its respective

owners.

NovatelWireless, andtheNovatelWireless logo arealltrademarksofNovatelWireless, Inc.

MiFi® andtheMiFilogo areregisteredtrademarks ofNovatelWireless,Inc.

iii

Contents

Introduction.........................................................................................................................................4

MT 3060 Models............................................................................................................................................2

Prerequisites..................................................................................................................................................3

Initial Steps ...............................................................................................................................................3

Troubleshooting...................................................................................................................................4

GPSIssues ...................................................................................................................................................10

GPS Drift Issue.........................................................................................................................................10

GPS Lock Issue........................................................................................................................................10

OBDIssues...................................................................................................................................................11

Device Reports an Incorrect VIN ............................................................................................................11

Device Reports a Corrupted VIN............................................................................................................11

OBD Device Does Not Correctly Report Ignition On Or Off ..................................................................11

OBD Device LEDs Do Not Blink ..............................................................................................................12

Troubleshooting Conclusions.....................................................................................................................13

Extended Debug................................................................................................................................14

Introduction

MT 3060 Models

Prerequisites

MT 3060 U Troubleshooting Guide 2

MT 3060 Models

The NovatelWireless MT3060 comes in three models:

§MT 3060G

MT 3060 R

§MT3060U

ThistroubleshootingguidereferstotheMT 3060U, which contains a micro SIM.TheMT 3060G is similar,

butcontainsaminiSIM.TheMT 3060R doesnot include a SIM.

Top View

MT 3060 U Troubleshooting Guide 3

Prerequisites

Beforesubmittingarequest foran RMA, basicdiagnosticsteps shouldbeperformed.

§The device must be available on thedevice manager and data collection server.

□You canperform mostbasic troubleshooting stepson thedevice itself before

reporting to a server,where device indicators and basic information can be retrieved.

§Use a test jig to acquire more detailed debug information. This requires you to set up a

separate test area or usean OBD extension cableto power up the device. You will needthe

following to do this:

□Mini-jig

□OBD extension cable

□Access to the pogo pin holes by removing the top lid label

□A terminal program to communicate to the device

Initial Steps

First determine if the device is reporting data. If the device is reporting to the cloud-based DM server

and local server, continue to troubleshoot the GPS or OBD relatedissues described in the next chapter.

MT 3060 U Troubleshooting Guide 4

Troubleshooting

GPS Issues

OBD Issues

Troubleshooting Conclusions

MT 3060 U Troubleshooting Guide 10

GPS Issues

Perform the troubleshooting steps below if the device is reporting, but no valid GPS coordinates are

obtained.

GPS Drift Issue

1. Verify whether the device ever had a valid GPS lock.

2. If thedevicereportsalocation,butit isinaccurate, verify that the lid of the device is properly

secured. This isimportant because the GPS antenna is built-in.

3. Marginal GPS reception can be affected bya less than optimal environment (such as a parking

garage or in avehicle without a good line of sight to the sky). Changing the device location

can improve GPS performance.

4. If GPS performanceis continually poor,even indifferent in different vehicles, the cause may

be related to GPSlock, as described below.

GPS Lock Issue

1. If thedevice has difficultygetting a GPS fix, or cannot fix at all, check the GPS antenna pins.

Bent pins can occur whena SIM is replaced and the device is opened.

2. If the cannot obtain a GPSlock, verify that the pins are not making contact withthe copper

pads on the main board.

MT 3060 U Troubleshooting Guide 11

OBDIssues

Perform the troubleshooting steps below if the device is reporting, but the On-BoardDiagnostic

(OBD) information, such as the VIN, is incorrect.

NOTE: Before testing, be sure that the device isinstalled in the vehicle with the ignitionoff. Do

not plug in thedevice when the vehicle is already running. This may result in indeterminate

results if the device has not detected all protocols.

NOTE: Dependingon thenetwork, it can take up to 2.5 minutes for the device to register on

the network andobtain an IP address after power up.

Device Reports an Incorrect VIN

1. Compare the VINofthe physical vehicle to the reported VIN.

a. If the reportedVIN is incorrect, try the devicein a other vehicle.

b. Determineifthe deviceID matches the vehicle it is plugged into.

Device Reports a Corrupted VIN

1. Verify whether the VIN is consistentlyincorrect.

a. If the VIN is partially correct, it is possible that the vehicle is noton the vehicle

compatibility list.

b. If the vehicle ison the list:

i. Try a different vehicle to see ifthe devicereports correctly.

ii. Try a different device in the same vehicle.

c. If the vehicle isnot on thelist:

i. Contact NVTL Tech Support to learn if any issueshave been reported against the

vehicleanddevicecombination.

OBD Device Does NotCorrectlyReport Ignition On Or Off

1. Verify whether the device has reported anymessages to theserver.

a. If not, thiscouldbe the result of a vehicle compatibility issue.

i. If other vehicles ofthe same year,make, and model do nothave theissue, it

could be an OBD MT3060 device issue.

MT 3060 U Troubleshooting Guide 12

ii. Try a different devicein the same vehicle.

b. The vehicle starter can cause a voltage increase to charge the battery of the vehicle.

Using a voltmeter, with the ignition on and the car running, make surethe battery

voltage is over 13.15V.

i. Ignition detection is based on multiple conditions:

1. A voltage of over 13.15V needs to be generated.

2. When the device has ECU protocol detect, itwilllookforRPMand/or

ECU speed to be present in order for the vehicle to declare the

ignitionon.

3. Forignitionoff,the opposite is needed: voltage below 13.15V and no

RPM and/or ECU speed detected

4. The voltage required to wake the device is set by AT$OBDIV. The

default is 13.15V. (See Chapter 3 formore information onusing AT

commands via a terminal connection.)

OBD Device LEDs Do Not Blink

1. Verify whether the device is in the correct state for lighting LEDs.

a. The device will turnoff allLEDs when in deepsleep or after five minutes, depending

on a timer setting to save vehicle batter power.

i. If the LEDs don’t lightor only the red LED blinks, the issue might be with the

device.

1. Verify that device has been unpluggedfor morethan five minutes.

The device could beoperating in battery backup mode without the

LEDs on.

2. If the device has been offfor more thanfive minutes,reinsert the

device and verify that all lights start blinking when ignition is turned

on.

a. If thedevice registers with the network, the green LED

should start blinkingslowly.

b. The yellow LED indicatesGPS lock. If the yellow LED blinks

quickly, thereisno GPS lock.

c. The red LEDis for protocol detect between the OBDdevice

and the vehicle ECU. When the device detects the protocol of

the vehicle,it will blink slowly.

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