Display and alarm messages
-1
>3s
ADDR.
RESET
+1
+10
TEST
CHANNELS / ADDR.
12
11109
87
345621
+10 +20 +40
Addr. Mode
n
∆
I
ALARM
L
∆
I
ALARM
SERVICE
COM/ADDR.
ON
5.4 Alarm messages
The EDS44…-L indicates the alarm messages on its control panel.
The EDS44…-S indicates the alarm messages on the ISOMETER®.
Possible causes of an alarm message are:
•
Insulation fault
•
residual current exceeded
•
device error
•
measuring current transformer fault
•
measuring current transformer connection fault
•
interference
5.4.1 Insulation fault (ALARM I
ΔL
)
If an insulation fault is detected on a measuring channel (EDS function), the “ALARM I
ΔL
” LED (main alarm) and
the LED of the channel on which the fault was detected, light up.
-1
>3s
ADDR.
RESET
+1
+10
TEST
CHANNELS / ADDR.
12
11109
87
345621
+10 +20 +40
Addr. Mode
n
∆
I
ALARM
L
∆
I
ALARM
SERVICE
COM/ADDR.
ON
In addition, the fault is indicated on the display of the ISOMETER®.
34 EDS44x_D00201_10_M_XXEN/11.2023