Indicator Lights N 1 M12 - Process Technology LUFRAN Instruction

Maintenance Procedures (Continued):
M12:
Indicator Lights
The three indicator lights are mounted on the top of the unit. They should be checked
for proper operation every 6 months.
Procedure M12-1: Indicator Light Inspection Procedure:
The indicator lights may be inspected during heater operation. Testing these lights will
not trip an alarm event in the unit or suspend operation.
1) Access the SYSTEM SERVICE MENU though the navigation panel on the touch
screen interface.
2) Press the TEST RED STACK LIGHT button on the information panel. The red
indicator light will illuminate. The light will go out when the button is released. This
will not trip an alarm event.
3) Press the TEST AMBER STACK LIGHT button on the information panel. The amber
indicator light will illuminate. The light will go out when the button is released. This
will not trip an alarm event.
4) Press the TEST GREEN STACK LIGHT button on the information panel. The green
indicator light will illuminate. The light will go out when the button is released. This
will not trip an alarm event.
5) If one of the indicator lights fails to illuminate when tested, the light should be
replaced.
M-43-01
Revision - Date: 08 – 04/06/15
Figure 50: Status Light
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Lufran Single Outlet Manual