janitza UMG 604-PRO, Руководство пользователя и технические данные

Страница: 66 / 87

UMG 604-PRO
www.janitza.de
61
15. Procedure in the event of faults
Possible fault Cause Remedy
No display External fuse for the power
supply voltage has tripped.
Replace fuses.
Device defective. Send the device to the
manufacturer for repair.
No current display Measured voltage is not
connected.
Connect the measured voltage.
Measurement current is not
connected.
Connect measuring-circuit
current.
Displayed current is too
high or too low
Current measurement in the
wrong phase.
Check connection and correct if
necessary.
Current transformer factor is
incorrectly programmed.
Read out and program the CT
ratio on the current transformer.
Voltage displayed is too
high or too low.
Measurement in the wrong
phase.
Check connection and, if
necessary, correct.
Voltage transformer incorrectly
programmed.
Read out and program the
voltage transformer ratio at the
voltage transformer.
Voltage displayed is too
low.
Measurement range exceeded. Use voltage transformers.
The peak voltage value at the
measurement input has been
exceeded by the harmonics.
Attention!
Ensure the
measurement inputs are not
overloaded.
“EEEE” and “V” on the
display
The voltage measurement
range has been exceeded.
Check the measured voltage
and install a suitable voltage
transformer if necessary.
“EEE” and “A” on the
display
The current measurement range
has been exceeded.
Check the measured current
and install a suitable current
transformer if necessary.
Table Procedure in the event of faults, part 1