ABB 2CSE1220EL Manual page 25

OPERATING INSTRUCTIONS
D E S C R I P T I O N O F T H E C O N T R O L S
Push-button
Enables Test procedure.
KEY
Steady led on
Green LED
Indicates presence
of mains voltage.
Led off
25
Yellow LED
Indicates a fault
in the device.
Red LED
Indicates alarm.
Flashing led
E
N
G
L
I
S
H