Extech Instruments AN340 Manual

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AN340-EU-EN V1.3 4/13

ErrorMessages

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MeterwillnotswitchON

 Pressthepowerbuttonfirmlyforatleast0.1seconds

 Checkthatthebatteriesareinstalled,fresh,andcorrectlyoriented

 Removeonebatteryforoneminutetoresetthecircuit,replaceandtryagain

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DisplayswitchesOFF

 Thebatteryvoltagemayhave

droppedbelowoperationalrequirements.Checkthe

batteriesandreplaceifnecessary

 TheautomaticpowerOFF(sleepmode)functionmayhaveswitchedthemeterOFF.

SwitchthemeterONandifitdoesnotpowerupreplacethebatteriesandtryagain.

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E2Error

Thereadingislowerthanthelowrangelimit.Testthemeterinanenvironmentknowntobe

withinacceptablemeterlimits.Iferrorpersists,sendtheunittoExtechforrepair.



E3Error

Nofieldsolution.ReturntheunittoExtechInstruments forrepair.

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E4Error

Thereadingishigherthanthehighrangelimit.

Testthemeterinanenvironmentknowntobe

withinacceptablemeterlimits.Iferrorpersists,sendtheunittoExtechforrepair.



E31Error

Temperaturerelatedcircuiterror.ReturnthemetertoExtechInstrumentsforrepair.



E32Error

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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E33Error

RHmeasurementcircuitfailure;returntheunittoExtechInstrumentsforrepair.

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