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RayTek FA Thermometer User Manual

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Maintenance

MarathonSeriesFA/FR 45

10Maintenance

Oursalesrepresentativesandcustomerservicearealwaysatyourdisposalforquestionsregarding

applicationassistance,calibration,repair,andsolutionstospecificproblems.Pleasecontactyourlocal

salesrepresentativeifyouneedassistance.Inmanycases,problemscanbesolvedoverthetelephone.

If you need to return equipment for servicing,

 calibration, or repair, please contact our Service

Departmentbeforeshipping.Phonenumbersarelistedatthebeginningofthisdocument.

10.1TroubleshootingMinorProblems

Symptom Probable Cause Solution

No output No power to instrument Check the power supply

Erroneous temperature Faulty sensor cable Verify cable continuity

Erroneous temperature Field of view obstruction Remove the obstruction

Erroneous temperature Window lens Clean the lens

Erroneous temperature Wrong slope or emissivity Correct the setting

Temperature fluctuates Wrong signal processing

Correct Peak/Valley Hold or Average settings

Table8:Troubleshooting

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