janitza UMG 96-PA User Manual

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janitza UMG 96-PA User Manual Manual pdf 76 page image

UMG 96-PA www.janitza.de7615. 9 Procedure in the event of an errorPossible error Cause RemedyNo display External fuse for the supply voltage wastriggered.Replace fuse.No current display. Measurement voltage notconnected.Connect measurement voltage.Measurement current not connected. Connect measurement current.Displayed current is too high ortoo low.Current measurement in wrong phase. Check connection and correct as needed.Current transformer factor programmed incor-rectly.Read out and program the current transformerconversion ratio on the current transformer.The peak current value at the measurementinput was exceeded by current harmonics.Install a current transformer with a larger currenttransformer conversion ratio.The current at the measurement input wasexceeded.Install a current transformer with a smallercurrent transformer conversion ratio.Displayed voltage is too high ortoo low.Measurement in wrong phase. Check connection and correct as needed.Voltage transformer factor programmed incor-rectly.Read out and program the voltage transformerconversion ratio on the voltage transformer.Displayed voltage is too low. Measurement range violation. Use voltage transformer.The peak voltage value at the measurementinput was exceeded by harmonics.Attention! Ensure that the measurement inputsare not overloaded.Phase shift ind./cap. Current path is assigned to the wrong voltagepath.Check connection and correct as needed.Effective power drawn/deliveredhave been switched.At least one current transformer connection hasbeen switched.Check connection and correct as needed.A current path is assigned to the wrong voltagepath.Check connection and correct as needed.Effective power is too high or toolow.The programmed current transformer conver-sion ratio is wrong.Read out and program the current transformerconversion ratio on the current transformerThe current path is assigned to the wrongvoltage path.Check connection and correct as needed.The programmed voltage transformer conver-sion ratio is wrong.Read out and program the voltage transformerconversion ratio on the voltage transformer.An input/output does not respond. The input/output was programmed incorrectly. Check programming and correct as needed.The input/output was connected incorrectly. Check connection and correct as needed.Display"Measurement range violation"There is a measurement range violation Check connection and correct as needed.Correct current /voltage transformer conversionratio.No connection to device. RS485- Wrong device address.- Different bus speeds(Baud rate) and/or data framework- Wrong protocol.- No termination.- Correct device address.- Correct speed (baud rate).Correct data framework.- Correct protocol.- Connect bus to a termination resistor.Despite taking the above measures,the device does not work.Device is defective. Send device back tomanufacturer with anexact description of the error/fault.