Chauvin Arnoux C.A 6454 Notice De Fonctionnement page 57

4.1.6 WARNINGS OR ERROR REPORTS
Preliminary remark: The complete list of coded errors is given in § 7.
Display - Indication
< 15.3 Hz (or) > 65 Hz
or 450 Hz
U (or) U
LN
U > 25
NPE
U > 25
NPE
U > 25
C
Press the TEST key to exit from the error conditions.
H
Z
> 550 V
(or) U
NPE LPE
H
Z
U
LN
Er08
n PE
H
Z
50 V
(or)
Er02
L PE
Er03
L
H
Z
50 V
(or)
H
Z
50 V
(or)
Remark - Possible cause(s)
One of the voltages measured (U
Frequency outside measurement domain
(depends on type of measurement)
N and PE reversed
N not connected
N not connected and L and PE reversed
In ZLINE position:
Permutation, PE-L-N instead of L-N-PE
L and PE reversed
Permutation, N-PE-L instead of L-N-PE
In ZLINE position:
L and PE reversed
Permutation, N-PE-L instead of L-N-PE
L not connected
L not connected and N and PE reversed
U > U (threshold voltage)
NPE L
In ZLOOP or REARTH position:
Potential difference between the local earth and PE too
high
56
, U , or U ) is > 550V.
LN LPE NPE