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Status Instruments DM4000U User Manual

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APPENDIX C
TROUBLESHOOTING
1) UNIT IS COMPLETELY DEAD
1.1) Check supply voltage is present on the rear connector
1.2) Check that supply voltage corresponds with voltage stated on the top
of the instrument
1.3) Consult service manual for instructions on replacing internal fuse
2) INCORRECT READING
2.1) Check that the unit is set up for the correct sensor type
2.2) Check that the Engineering range has been set correct for voltage
and current and correct units for temperature sensors.
2.3) Check that thermocouples have correct compensation cable and the
polarity is correct.
2.4) Check that all three wires are connected properly for an RTD.
3) UNDER/OVER RANGE
3.1) Check that the sensor wiring is correct.
3.2) Check that voltage/current sensor is not open circuit
3.3) Check that the unit is set up for correct sensor
APPENDICES
APPENDIX C
Page 80

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Status Instruments DM4000U Specifications

General IconGeneral
BrandStatus Instruments
ModelDM4000U
CategoryMeasuring Instruments
LanguageEnglish