Display and alarm messages
5 Display and alarm messages
5.1 Display elements EDS44…-S
Status LED
ON Flashes: Starting process; hourly transformer connection test
Lights up: operational
5.2 Operating and display elements EDS44…-L
-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
Status LEDs
ON Flashes: Starting process; hourly transformer connection test
Lights up: operational
COM/ADDR. Flashes quickly: device communicates via RS-485 interface
Flashes: insulation fault location (LED indicate the pulse of the locating current injector:
pulse = on; pause = off. In LAB procedure, the pulse can last one minute.)
SERVICE Lights up: device error; connection fault of the measuring current transformers; error message e.g.
due to low-frequency residual currents, external magnetic fields, etc.
ALARM I
ΔL
Lights up: main alarm, insulation fault on one of the measuring channels (EDS function)
ALARM I
Δn
Lights up: response value for residual currents is exceeded.
32 EDS44x_D00201_10_M_XXEN/11.2023