Troubleshooting Guide

InstallationInstructions
IndependentCombustibleGas
DetectorUserManual
(MeasurementRange:0%to100%LEL)
ProductDescription
Pressandholdthe
buttonfor5s.
EnteringtheNetworkConfigurationMode
1.Powerontheproduct.
Airintakevent
Statusindicator
Pressthebuttonto
startasimulationtest.
Pressandholdthebutton
toresettheproduct.
Powerport
Buzzer
Airexchangewindow
Mounting
base
2.Pressandholdthebuttonfor5storestoretheproducttofactory
settings.
Thestatusindicatorwillrapidlyblinkgreenandtheproductwillenter
thenetworkconfigurationmodeautomaticallyoncethefactorysettings
havebeenrestored.
Connecttheproducttothepowersupply.
Networkaccessstatus:Pressthebuttonfor5-10secondstojoinanetwork.
Afterpressed,theredindicatorissteadyon,after5secondsreleasethe
button,thegreenindicatorflashesrapidlytostartdistributionofthe
network.Ifthenetworkaccessissuccessful,thegreenLEDremainsonfor5
seconds,thegreenlightisalwayson,andthealarmentersthenormal
monitoringstate.
Iftheproductfailstoenterthenetworkconfigurationmodewithin60s,the
statusindicatorwillbesteadyyellowfor5sandthenoff.
PackingList
Onepoweradapter
Oneusermanual Twoexpansiontubesandtwoscrews
Oneproductqualificationcertificate
Onecombustiblegasdetector
One3Msticker
Ind epen dentComb usti ble
GasD etect orUserMan ual
(Mea suremen tRang e:
0%to10 0%LE L)
2.Installationpositions
Grayarea:
optimalceiling-mounting
area
Ceiling
Gasstove
Gasdetector
About0.2m
to0.6m
Gasdetector
Ground
Optimalwall-mounted
installationposition
Ceilingmount:Installtheproductintheannularzoneabout1.5mto
3mabovethegassource.
Wallmount:Installtheproductonawall,about0.2mto0.6mbelow
theceilingand1.5mawayfromthegassource.
90°
3.Installationmethods
Affixthe3Mstickertotherear
ofthemountingbase.
3M
3M
Rotatetheproductclockwise
intothemountingbase.
(1)Usingscrews
(2)Usinga3Msticker
Affixtheproducttothe
targetposition.
Usescrewstofixthemounting
basetotheceilingorwall.
1.Precautions
(1)Installtheproductindoorswheredevicesusecombustible
gas(methane).
(2)Donotinstalltheproductoutdoors.
(3)Ensurethatthetemperatureoftheinstallationenvironment
iswithintherangeof‒10°Cto+55°C.
(4)Donotinstalltheproductinplaceswheretheproductwillbe
affectedbyheat,steam,orsmokeresidualgeneratedbygasappliances
(forexample,aboveagasstove).
(5)Ensurethattherearenoobstaclesbetweentheproductand
gasdevices,ortheproductmayfailtodetectgasleakage.
(6)Donotinstalltheproductinplaceswithalargeairflow,suchas
airintakevents,ventilators,windows,anddoors,ortheproduct
mayfailtodetectgasleakage.
(7)Ensurethattheproductisproperlyconnectedtoapower
socketandthatthepowersockethaspower.
(8)Youareadvisedtousescrewstoinstalltheproduct.Ifyouuse
a3Mstickertoinstalltheproduct,anyproductdamageorsafety
accidentsincurredtherefromwillbeyourresponsibility.However,
ifyouchoosetousea3Msticker,affixtheproducttoasmooth,
even,dry,andcleansurface.
(9)Regularlycheckwhethertheproductisattachedtothesurface
securelytopreventitfromfallingdown.
UsingthisProduct
1.Preheatingstate
Theproductentersthepreheatingstateafterbeingpoweredon.
Duringthepreheatingperiod,thestatusindicatorisflashingyellow
lights.Afterpreheatingiscompleted(nomorethan3minutes),
thestatusindicatorwillbecomesteadygreen.
2.Workingstate
Whentheproductisworkingproperly,thestatusindicatorwillbe
steadygreenwithnoalarmsound.
3.Alarmstate
Iftheproductisworkingproperlyandthegasconcentrationis
higherthanthepresetalarmthreshold,Redindicatorisflashing
andthebuzzerwillgenerateanaudiblealarm.
4.Faultystate
Iftheproductisfaulty,yellowindicatorisflashingandthe
buzzerwillgeneratealongblastofsound.
5.Simulationtest
Whentheproductisworking,pressthemute/self-diagnostic
buttontoenterthesimulationtestmode.Afterenteringthe
simulationtestmode,theproductwillsendawirelessalarmsignal.
Afterthetestiscompleted,theproductwillsendawirelessalarm
clearancesignal.
Afteryouunpacktheproductpackage,checkwhethertheproductisintactandthatall
accessoriesareincludedandcomplete.Thefollowingfiguresshowtheitemsthatshould
becontainedintheproductpackage.
Qualification
Certificate
1.5<H<3m
IndicatorandBuzzerStates
Theindicatorblinksred.
Thebuzzerbeeps.
Theindicatoralternates
greenandyellow.
Theindicatorissteadygreen.
Theindicatorblinksyellow.
Redindicatorflashes
Theindicatorrapidly
blinksgreen.
Thebuzzerdoesnot
makeasound.
Thebuzzerdoesnot
makeasound.
Thebuzzergenerates
alongblastofsound.
Buzzer"beep-beep"eight
timesforreminding
Thebuzzerdoesnot
makeasound.
Theproductgenerates
agasleakagealarm.
Theproductisbeingpreheated.
Theproductisworkingproperly.
Theproducthasaninternalfault.
Theproductisin
self-diagnosticstate.
Theproductisinnetwork
configurationmode.
TechnicalParameters
Transmission
Frequency
StandbyCurrent
Dimensions
2.4GHz
=100mA
F85mmx29.6mm
Wall-mountingorceiling-mounting
InstallationMethod
DetectedGas
Methane(Naturalgas)
WirelessTechnology
ZigBee
WorkingVoltage
AC220V
AlarmLEL
8%LELMethane(Naturalgas)
Operating
Environment
‒10°Cto+55°C
=95%RH
AlarmMethod
Audibleandvisualalarm,and
wirelessconnectionalarm
AlarmSoundPressure
=70dB(1minfrontofthegas
detector)
ConcentrationError
±3%LEL
Thesensorisfaulty.
Contactthevendor
forrepair.
yellowindicatorflashes
twiceeveryonesecond,
-andthebuzzergenerates
alongblastofsound.
Symptom
PossibleCauses Solution
Aftertheproductis
poweredon,yellow
indicatorisflashing,
indicatingthatthe
productisstillin
preheatingstate.
1.Theproductisnot
poweredonfora
longtime.
2.Thereis
combustiblegas
intheenvironment
duringthe
preheatingperiod.
1.Powerontheproduct
for24hours.
2.Eliminate
combustiblegas,and
powerontheproduct
topreheatit.
HandlingGasLeakage
Troubleshooting
OtherPrecautions
1.Theproductcanonlybeusedforpipelinenaturalgas(methane)
andcannotbeusedforbottledliquefiedgas(LPG).
2.Donotchangetheinternalstructureoftheproduct.
3.Donotdirectlyusehigh-concentrationcombustiblegas,
forexample,butanelightergasorpurenaturalgasontheproduct.
Thesensitivityoftheproduct'sdetectorwillbereduced,andthe
productmayevenbecomenon-functional.
4.Donotusealargeamountofhairspray,pesticides,paint,
adhesives,orthinnersneartheproducttoavoidfalsealarmsand
maintaintheproduct'slifespan.
5.Typically,theproduct'sbuilt-insensorcanbeusedforfiveyears.
Maintainthesensororreplacetheproductafterhavingusingthe
productforfiveyears.
6.Periodicallycheckwhethertheproductisworkingproperly.
Iftheproductisfaulty,contactthevendoranddescribethefault
symptomstorectifythefault.Donotdisassembletheproduct
yourself.After-salesserviceengineersofthevendorcanprovide
on-siteguidance.Ifyousendtheproducttothevendorforrepair,
ensuregasusesafetyduringtherepairperiod.
7.Ifyouusea3Mstickertoaffixtheproducttoapaintedsurface,
peelingofthepaintmaycausetheproducttofalldown.
Ifthisoccurs,youareliableforanyproblemsincurredtherefrom.
Toensurethattheproductworksproperly,maintainandprotectthe
productasfollows:
1.Correctlyinstall,operate,andmaintaintheproductinaccordancewith
theusermanual.
2.Performaself-diagnostictestontheproducteverymonth.Whenthe
productisworking,pressthemute/self-diagnosticbuttonandensure
thattheproductcangenerateanaudibleandvisualalarm.
3.Onceeverythreemonths,useaslightlydamptoweltocleantheproduct
coverandremovedustandoilstainsfromtheairintakeventofthe
producttoensuresmoothairflowandanormalalarmsound.Donotuse
awettowelorchemicalsolvents,suchasalcoholoracetonetocleanthe
product.
4.Calibratetheproductannually.
Onlyqualifiedinstitutionswithstandardgasandcalibrationtoolsare
authorizedtocalibratetheproduct.
RoutineMaintenanceandProtection
Whenthecombustiblegasconcentrationintheairreachesorexceedsthe
presetalarmthreshold,theproductwillenterthealarmstate.Handlethe
problemasfollows:
1.Closethegaspipelinevalveimmediately.
2.Opendoorsandwindowsforventilation.
3.Extinguishallsourcesoffiresuchascigarettelighters,matches,and
gasburners,anddonotuseitemsthatmaygeneratefireorany
kindofelectricalspark,suchaselectronicignitiondevicesforwater
heatersorgasburners.
4.Donotturnanyhomeappliancesonoroff.
5.Checkthecausesofthegasleakageandnotifyrelevantdepartments
andprofessionalpersonnelofhandlingtheproblem.
ToxicorHazardousSubstancesor
ElementsofthisProduct
ThistablecomplieswithSJ/T11364.
Ο:indicatesthatthetoxicorhazardoussubstanceamountcontainedin
allhomogeneousmaterialsofacomponentdoesnotexceedthat
stipulatedinGB/T26572.
X:indicatesthatthetoxicorhazardoussubstanceamountcontainedin
atleastoneofthehomogeneousmaterialsofacomponentexceeds
thatstipulatedinGB/T26572.
Component
Name
ToxicorHazardousSubstancesorElements
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Polybrominated
biphenyls
(PBBs)
Polybrominated
diphenylethers
(PBDEs)
LED
Ο Ο Ο Ο Ο Ο
PCB
Ο Ο Ο Ο Ο
Cover
andother
components

×
Ο Ο Ο Ο Ο
×
Hexavalent
chromium
(Cr
(Ⅵ))
UserForm
Userinformation(Specifyrealinformation.Tuya
promisestousetheinformationonlyforafter-
salesservices.)
Name
Phonenumber
Email
Zipcode
Address
Productinformation
NameModel
ColorProductSN
ServiceReturnReplaceRepair
Faultsymptoms
Handlingdate
Maintenancepersonnelsignature
VendorForm
Userinformation(Specifyrealinformation.Tuya
promisestousetheinformationonlyforafter-
salesservices.)
Name
Phonenumber
Email
Zipcode
Address
Productinformation
NameModel
ColorProductSN
ServiceReturnReplaceRepair
Faultsymptoms
Handlingdate
Maintenancepersonnelsignature
WarrantyCertificate
Warrantypolicy:
1.Iftheproducthasqualityproblemswithin15daysof
thepaymentdate,youcanapplytoreplacethe
productwithoneofthesamemodel.
2.Iftheproducthasqualityproblemswithin12months
ofthepaymentdate,youcanapplytohavethe
productrepaired.
Whatisnotcoveredunderthiswarranty:
1.Theproductownerhasnowarrantycertificateorthe
warrantyservicehasexpired.
2.Damagecausedbyimproperuse,maintenance,or
storage
3.Damagecausedbydisassemblyandrepairwithout
Tuya'sauthorization
4.Damagecausedbyforcemajeure
5.Normaldiscolorationandwearaftertheproducthas
beenused
‒Reorientorrelocatethereceivingantenna.
--Increasetheseparationbetweentheequipmentandreceiver.
--Connecttheequipmentintoanoutletonacircuitdifferentfrom
thattowhichthereceiverisconnected.
--Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
TomaintaincompliancewithFCC'sRFexposureguidelines,this
equipmentshouldbeinstalledandoperatedwithaminimum
distanceof20cmbetweentheradiatorandyourbody.
ThedevicehasbeenevaluatedtomeetgeneralRFexposure
requirement.
ThisequipmentcomplieswithFCC'sRFradiationexposurelimits
setforthforanuncontrolledenvironment.Thisdeviceandits
antenna(s)mustnotbeco-locatedorconjunctionwithanyother
antennaortransmitter.
ThisdevicecomplieswithPart15oftheFCCrules.Operationis
subjecttothefollowingtwoconditions:(1)thisdevicemaynot
causeharmfulinterference,and(2)thisdevicemustacceptany
interferencereceived,includinginterferencethatmaycause
undesiredoperation.
ThemanufacturerisnotresponsibleforanyradioorTV
interferencecausedbyunauthorizedmodificationsorchangeto
thisequipment.Suchmodificationsorchangecouldvoidthe
user'sauthoritytooperatetheequipment.
Thisequipmenthasbeentestedandfoundtocomplywiththe
limitsforaClassBdigitaldevice,pursuanttopart15oftheFCC
Rules.Theselimitsaredesignedtoprovidereasonableprotection
againstharmfulinterferenceinaresidentialinstallation.This
equipmentgenerates,usesandcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththe
instructions,maycauseharmfulinterferencetoradio
communications.However,thereisnoguaranteethatinterference
willnotoccurinaparticularinstallation.Ifthisequipmentdoes
causeharmfulinterferencetoradioortelevisionreception,which
canbedeterminedbyturningtheequipmentoffandon,theuser
isencouragedtotrytocorrecttheinterferencebyoneormoreof
thefollowingmeasures:
Wireless Gas Detector
Model: MIR-GA100