Allen-Bradley LSIG-MM User Manual

(16) DIR 1000587R0002 (Version 02)
3.4. User interface
A graphic display and a push-button panel provide all the available settings and information.
12 3 4 5
67
Ref. Description
1 Serial number of the trip unit
2 State LED
3 Test connector
4 Graphic display
5 Main push-button panel
6 Rating plug
7 “i Test” button
3.4.1. LEDs
The 2 front LEDs provide information about the state of the trip unit and CB.
Both leds function when the unit is on.
Signal Colour State Description
ALARM Red
OFF No protection or delay alarm
ON (Flashing @1Hz)
Delay in progress for one or more of the following protections: current (L, S, G),
phase unbalance (U)
Alarm for one or more: Contact wear, Temperature
Connection error of one or more: Rating Plug, Trip Coil , Key plug error, Current
sensors
Installation error
ON (Fixed) Internal error
WARNING Yellow
OFF No CB error or alarm
ON (Flashing @0.5Hz) OT protection in prealarm
ON (Flashing @1Hz) OT protection in alarm state
ON (Fixed)
Protection L prealarm
Protection U alarm with trip disabled
Distorted wave form with > 2.1 Form factor
Contact wear within range: 80%<CW<100%
Iw WARNING threshold exceeded
CB state error
Confi guration error
Incongruent settings

Allen-Bradley LSIG-MM Specifications

General

Brand	Allen-Bradley
Model	LSIG-MM
Category	Circuit breakers
Language	English