doc: add some text to TeleLaunch troubleshooting about SAFE/ARM on TeleFire

diff --git a/doc/telelaunch-troubleshooting.inc b/doc/telelaunch-troubleshooting.inc
index 25c0b81927d2fbc9fea03c2bb42b527ae0e5635b..aa25008d293516788837ce3b6ab8b1f825bcdebe 100644 (file)
--- a/doc/telelaunch-troubleshooting.inc
+++ b/doc/telelaunch-troubleshooting.inc
@@ -1,6 +1,16 @@
 [appendix]
 == Troubleshooting
 
+       === TeleFire Fails to Arm
+
+               If turning the TeleLCO key switch from "SAFE" to "ARM" does
+               not cause the selected TeleFire box to start flashing and
+               sounding its siren, the most likely cause is that the 
+               TeleFire box was left with the local safe/arm switch in the
+               safe position.  The Remote Arm LED on TeleLCO shows the state
+               of the safe/arm switch on the currently selected TeleFire box
+               and can be used to confirm this situation.
+
        === Radio Signal Strength
 
                Each unit in the TeleLaunch system has a debugging feature