A320 CARGO SMOKE PANEL

SMOKE LIGHT

This red light, and the associated ECAM warning, come on when the system detects smoke in the indicated cargo compartment. This light comes on, if:

• Both channels detect smoke, or 
• One channel detects smoke and the other channel is faulty.

TEST pb

Tests the operation of the cargo smoke detection system.

When pressed for at least 3 s, and until released:

• Tests the smoke detectors in sequence 
• Turns on the red SMOKE lights twice, and displays the ECAM warning 
• Closes the isolation valves of the cargo ventilation system (if installed)
• The DISCH lights come on in amber.

AGENT DISCH pb

• AGENT 1 DISCH : When pressed the corresponding squib ignites, discharging the extinguishing AGENT 1 in the respective cargo compartment (FWD or AFT).
• AGENT 2 DISCH : When pressed the corresponding squib ignites, discharging the extinguishing AGENT 2 to the cargo compartment to which the AGENT 1 was previously discharged (FWD or AFT).

DISCH LIGHT

Within 60 s after pressing the discharge pushbutton, the amber DISCH light comes on when the associated bottle is fully discharged.