25
UMG 103
Possible error
Active power
too
small or too large.
Active power
imported
supply / supply is
reversed.
No connection
with
the device.
Despite the measures
above the device does
not work.
Cause
The programmed current
transformer transformation
ratio is incorrect.
The current path is assigned
to the wrong voltage path.
The programmed voltage
transformer transformation
ratio is incorrect.
At least one current
transformer connection is
mixed up/reversed.
A current path is assigned to
the wrong voltage path.
RS485:
-
Device address is
incorrect.
- Wrong protocol.
Device is defective.
Remedy
Read out current transformer ratio
and program with the software
GridVis.
Check connection and correct
if necessary.
Read out voltage transformer ratio
and program with the software
GridVis.
Check connection using the
software GridVis and correct, if
necessary.
Check connection using the
software GridVis and correct, if
necessary.
Adjust the device address.
Select protocol.
Send device to the manufacturer
for checking with a precise
description of the error.