janitza UMG511 Installation And Commissioning Manual page 63

Procedure in case of an error
Possible error
No display
No current display.
The displayed cur-
rent is too high or too
low.
The displayed volt-
age is too low or
too high.
The displayed volt-
age is too small.
Service and maintenance
Cause
The external fuse for the supply
voltage has triggered.
Measurement voltage is not
connected.
Measurement current is not
connected.
Current measurement in the
wrong phase.
Current converter factor is in-
correctly programmed.
Measurement in the wrong
phase.
The voltage converter is incor-
rectly programmed.
Measurement range exceeded.
The voltage peak value at the
measurement input has been
exceeded by harmonics.
Help
Replace fuse
Connect the measurement voltage
Connect the measurement current.
Check and correct the connection
if necessary.
Read and program the current con-
verter translation ratio on the cur-
rent converter.
Check and correct the connection
if necessary.
Read and program the voltage con-
verter translation ratio on the volt-
age converter.
Use a voltage converter
Caution! It is compulsory to
check that the measurement in-
puts are not overloaded.
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