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Troubleshooting

41 ©SICKAG•Subjecttochangewithoutnotice•8016441/2013-11-22

10 Troubleshooting

Possiblefaultsandrecticationmeasuresaredescribedinthetablebelow.

Incaseoffaultsthatcannotberectiedusingtheinformationbelow,pleasecontactthemanufacturer.Alistof

representativescanbefoundonthebackpage.

10.1 Warning messages

Display Meaning/Possible causes Troubleshooting

NoWarn Nowarning –

WrnLsr Thelaserisstillreadyforoperationbutisat

theendofitsservicelife.

Keepareplacementdevicereadyforuse.

WrnLvl Thecurrentreceivedsignallevelisbelowthe

recommendedvalue.

•Cleantheouteropticalsurfaces.

•Reducethedistancebetweenthedevices.

•Realignthedevices→SeePage31,

Chapter7.1

WrnTmp Theinternaltemperatureofthedeviceisap-

proachingthelimitofthepermissiblerange.

→ Forthepermissibleambienttemperature,

seePage45,Chapter11.5.

•Checkambienttemperature.Provide

betterventilationifnecessary.

•Shieldthedevicefromradiantheat,e.g.

shadethedevicefromdirectsunlight.

•Atlowambienttemperatures,useahea-

tingsystemforthedevice.

•Athighambienttemperatures,usea

coolinghousing.

WrnOvr Receiverunitisnotalignedcorrectly. Ifthewarningmessageisdisplayedformore

than10seconds:

•Realignthedevices→Followtheinstruc-

tionsonPage31,Chapter7.1untilthe

warningmessagedisappearspermanent-

ly.

Table 14: Warning messages

10.2 Error messages

Display Meaning/Possible causes Troubleshooting

NoErr Noerror –

ErrLsr Theservicelifeofthelaserhasbeenexcee-

ded.

Replacethedevice.

ErrLvl Thecurrentreceivedsignallevelisbelowthe

warningthreshold.