Glossary - Chauvin Arnoux C.A 6454 Notice De Fonctionnement

4.5.6 WARNINGS OR ERROR REPORTS (
Preliminary remark: The complete list of coded errors is given in § 7.
Display – Indication
Press the TEST key to exit from the error conditions.
:
H
Z
:
I
I :
ALARM
:
I ; I ; I
KLN KLPE KNPE
I
:
SEL
:
L
E
:
L ; L ; L
LN LPE NPE
:
R
∆ ∆ ∆ ∆
L
:
R
∆ ∆ ∆ ∆
N
R :
∆ ∆ ∆ ∆
PE
R :
L ALARM
R ; R ; R :
LN LPE NPE
:
R
P
U :
F
:
U
L
U :
LN
:
U
LPE
U :
NPE
U :
P
U :
REF
:
Z
E
:
Z ; Z ; Z
LN LPE NPE
Z :
L ALARM
Er18
Prob

5 GLOSSARY

frequency of the signal
current
current threshold
short-circuit current between terminals L and N, L and PE, and N and PE
current flowing in the current probe during a selective earth measurement in a live
condition
inductive part of Z
E
inductive part of impedance Z
compensation of the cable in terminal L
compensation of the cable in terminal N
compensation of the cable in terminal PE
resistance impedance threshold
real part of impedance Z
resistance of the auxiliary rod in a earth measurement in a live condition
fault voltage as per standard NF EN 61557
conventional limit contact voltage: 25 or 50V, adjustable in the "SET-UP" mode (see § 3.2)
voltage between terminals L and N
voltage between terminals L and PE
voltage between terminals N and PE
voltage between the voltage probe/auxiliary rod and PE
reference voltage for calculation of the short-circuit current
global earthing impedance
impedance of the loop between L and N, between L and PE, and between N and PE
loop impedance threshold
)
The clamp is not connected: the measurement is
impossible
, Z , Z
LN LPE NPE
, Z , Z
LN LPE NPE
71
Remark - Cause