User manual

AN300‐EU‐ENv1.11/13
11
ErrorMessages
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Errorcodesandsolutions
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AirTemperature
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E02:Temperaturereadingislowerthanthelowrangelimit.Placethemeterinroom
temperaturefor30minutes.IfE02continues,sendtheunittoExtechforrepair.
E03:Temperatureexceedsthehighrangelimit.Placethemeterinroomtemperaturefor30
minutes.IfE03continuestoappear,
sendtheunittoExtechforrepair.
E31:TheA‐to‐Dconverterrequiresreplacing.SendthemetertoExtechInstrumentsforrepair.
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Airvelocity
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E03:Velocityexceedsthehighrangelimit.Testthemeterusinganairvelocitythatisknown
tobewithinthespecifiedrangelimits.SendtheunittoExtechforrepairiftheE03error
messagepersists.
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Airvolume
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E03:Readingexceedsthemeter’sdisplaylimit.CheckthattheAREAsettingiscorrectinthe
SetupMode.
E04:Airvelocityerror.ReturnthemetertoExtechiftheerrormessagepersists.
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OtherErrors
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E32:MemoryICerror.Rebootthemeterandcheckitagain;sendittoExtechInstrumentsfor
repairiftheerrormessagepersists.
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Nodisplay
1. Checkthatthebatteriesaremakinggoodcontactandarealignedforcorrectpolarity.
2. Replacebatteries.
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DisplayswitchesOFFautomatically
Thissymptomcouldbethenormal‘SleepMode’whichswitchesthemeterOFFafter20
minutesofin‐activity.Ifthisisnotthe‘SleepMode’,checkwhetherthelowbatteryindicator
appearsbeforetheLCDattemptstoswitchON;ifyes,replacethebatteries.
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