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= Key 1
= Key 2
= Key 3
= Maximum or consumption = Minimum or supply
Removal of errors
Faults
Possible reason
Remedy
Indication dark
External prefuse has released.
Replace prefuse.
Internal prefuse has released.
The fuse cannot be changed by the user. Please send
the device back to the manufacturing works
Contrast setting too dark.
Change contrast settings in configuration menu.
Device faulty.
Please send the device to the manufacturer for repair.
No current indication
Measurement voltage not
Connect measurement voltage.
connected
Current too small
Current measurement in the
Check and correct connection.
wrong phase.
Current transformer factor
Read current transformer ratio on current transformer
programmed incorrectly.
and program correctly.
Wrong current
Current measurement in the
Check and correct connection.
wrong phase.
Current transformer factor
Read current transformer ratio on current transformer
programmed incorrectly.
and program correctly.
Measuring range exceeded.
Install bigger current transformer.
The peak current value on
Install bigger current transformer.
measuring input was exceeded
caused by harmonics.
Attention: Please ensure, that the measuring
inputs are not overloaded.
The current on measuring
Install smaller current transformer.
input was underscored.
Voltage L-N too small
Measurement in wrong phase.
Check and correct connection.
Voltage transformer factor
Read current transformer ratio on current
programmed incorrectly.
transformer and program correctly.
If the voltage is not measured via voltage transformer
please program a voltage transformer ratio of
400/400.
Voltage on measuring input
Install smaller voltage transformer.
out of measuring range.
Voltage L-N incorrect
Measurement in wrong phase.
Check and correct connection.
Voltage transformer factor
Read current transformer ratio on current
programmed incorrectly.
transformer and program correctly.
If the voltage is not measured via voltage transformer
please program a voltage transf. ratio of 400/400.
Measured range exceeded.
Install bigger current transformer.
The peak voltage value on
Install bigger current transformer.
measuring input was exceeded
caused by harmonics.
Attention: Please ensure, that the measuring inputs
are not overloaded.
Voltage L-L too small/
Outer conductors exchanged.
Check and correct connection.
too big
N not connected.
Check and correct connection.
Phase shift ind /cap too
Current path is assigned to
Check and correct connection.
small or big
the wrong voltage path.
Programmed data get lost
Battery empty.
Please send device to the manufacturer for
exchanging the battery.
The device has been exposed to
External protection measure such as shielding,
electromagnetical interference
filtering, earthing or spatial separation.
bigger than the allowed by
technical data.