Alarm Codes

NSN ALARM No

NSN ALARMS DESCRIPTIONS

COLOUR CODE

WTTIL ALARM NO

1

Mains Fail

Green + White Green

3

2

Load on DG

Blue + White Blue

2

3

DG Fail to start

Violet + White Violet

1

4

Battery Discharge

Grey + White Grey

12

5

Rectifier Fail

Pink + Black Red

10

6

Door Open

Light Green + Black Green

4

7

Fire and Smoke Alarm

Light Blue + Black Blue

9

8

Temp High

White + Black White

8

9

Low Fuel Level

Light Gray + Light Gray Balck

5

10

Low Oil Pressure

Red Black + Red Blue

6

11

AIRCON FAILURE

Orange Red + Orange Light Gray

7

12

RECTIFIERS MAINS CUT OFF

Orange Black +Orange Green

11

DESCRIPTION OF WTTIL ALARMS

SEVERITY

EB FAILURE

MAJOR

LOAD ON DG

MINOR

DG ON

MAJOR

DC VOLTAGE LOW

CRITICAL

RECTIFIER FAILURE

MAJOR

INTRUDER(DOOR OPEN)

MINOR

FIRE AND SMOKE

CRITICAL

ROOM TEMP HIGH

CRITICAL

LOW FUEL LEVEL

MAJOR

LOW OIL PRESSURE

MAJOR

AIRCON FAILURE

MAJOR

RECTIFIERS MAINS CUT OFF

CRITICAL