LED Troubleshooting Guide for DIP Trip Units
2
Table 1:
LED Troubleshooting for G, H, I, J Frame DIP Trip Units
Signal
Normal Operation
On and Fixed
Flashing Fast (2Hz)
Action needed
On and Fixed
Fast (2Hz)
Flashing
2 flashes every 2s
Table 2:
LED Troubleshooting for 140G2-K, L, M Frame DIP Trip Units
Signal
Normal Operation
On and Fixed
Flashing Fast (2Hz)
Action needed
On and Fixed
Fast (2Hz)
Flashing
2 flashes every 2s
LED AND COLOR
Red
L
S
I
x*
x*
x*
x
x
x
-
x
x
x
x
x
x
x
x
x
LED AND COLOR
Red
L
S
I
x*
x*
x*
x
x
-
x
x
x
x
x
x
x
x
x
Publication 140G-IN250B-MU-P - November 2023
Green
Device active
Condition
G
Protection trip. *Last trip only, visible by
connecting the 140G-ELTT to provide the
supply (the LED test starts automatically).
x*
Pre-alarm L (0,9*I1 <I<1,2*I1)
Protection delay. L alarm (I>1,2*I1)
Protection delay. S alarm (I>I2)
N/A - No delay for protection.
Protection delay. G alarm (I>I4)
x
Calibration in progress (Only LSIG)
x
Installation error
x
Trip coil
Generic fault
Neutral setting
x
DIP (Parameter) Incongruence
Yellow Green
Device active
G
L
Protection trip. * Last trip only, visible
by connecting the 140G-ELTT to
provide the supply (the LED test
starts automatically).
x*
Pre-alarm L (0,9 * I1<I<1,2 * I1)
x
Protection delay. L alarm (I>1,2 * I1)
Protection delay. S alarm (I>I2)
N/A - No delay for protection.
x
Protection delay. G alarm (I>I4)
x
x
Calibration in progress (Only LSIG)
Installation error
x
x
x
x
Neutral setting
DIP (Parameter) Incongruence
DIR 10005909295 (Version 01)
Condition
Trip coil
Generic fault
Action
A
F
F
C
F
B1
B1
Table 4
Action
A
F
F
C
F
B1
B1
Table 4