Porsche 911 GT3 R 2012 Technical Manual page 118

9.4.2. Extinguisher system error ana lysis
Battery check:
 Hold the toggle switch on the trigger box in the "Battery Check"
position
 If the battery charge state is good
will blink
Warning lamp does not glow:
 Check battery charge state (refer to 'Battery Installation')
 Check the cable connection to the firing buttons (refer to 'Trigger
box wiring harness')
 Check fire button function
Battery installation:
Attention: The toggle switch on the trigger box must be set in the 'System
Inactive' position.
Remove the trigger box cover and change the battery. Ensure

that the battery poles are connected correctly. Only Alkaline
batteries should be used.
Checking the firing button:
Attention: The toggle switch on the trigger box must be set in the 'System
Inactive' position.
 Throw the toggle switch in the luggage compartment
 If the switch is functioning correctly the trigger box warning lamp
will glow
 Return the switch to the original position
Press the dashboard mounted push button

 If the switch is functioning correctly the trigger box warning lamp
will glow
Trigger box connection:
The firing button '1' is connected to the terminals '3' and '4', firing button
'2' with the terminals '5' and '6'.
Incorrectly connected
extinguisher system.
the trigger box warning lamp
cables accidentally can fire the
115