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2.Make sure that all LEDs to check open phase are lit. In
this case the phases are not opened. When some of 3
LEDs are not lit we have an open phase.
•
If the lamp of phase verification “R” does not light: the
terminal where the red alligator claw is connected is
with the phase open
•
If the lamp of phase verification “S” does not light: the
terminal where the black alligator claw is connected is
with the phase open
•
If the lamp of phase verification “T” does not light: the
terminal where the blue alligator claw is connected is
with the phase open
B. Verification Method
Open phase
Checking LED
Phase sequence
Checking LED
Alarm
Correct Phase (Clockwise - CW)
The three
orangeLED's are it
Green LED is it
intermittent beep
Reverse Phasea (Counter Clockwise - CCW)
The three
orange LED's are it
Red LED is it
Continuos us
beep
Open Phase (one phase only)
One orangeLED will
be off to indicate the
open phase
Both the LED's red
and green are off
Continuos us
beep
