diff --git a/Models/FlightDeck/a320.flightdeck.xml b/Models/FlightDeck/a320.flightdeck.xml
index 7cc9ae28..f0d53585 100644
--- a/Models/FlightDeck/a320.flightdeck.xml
+++ b/Models/FlightDeck/a320.flightdeck.xml
@@ -5028,6 +5028,17 @@
 				<property>ECAM/warnings/master-warning-light</property>
 				<value>0</value>
 			</binding>
+			<binding>
+				<condition>
+					<greater-than-equals>
+						<property>systems/electrical/bus/dc-ess</property>
+						<value>25</value>
+					</greater-than-equals>
+				</condition>
+				<command>property-assign</command>
+				<property>sim/sound/warnings/crc</property>
+				<value>0</value>
+			</binding>
 			<binding>
 				<condition>
 					<greater-than-equals>
diff --git a/Nasal/ECAM/ECAM-controller.nas b/Nasal/ECAM/ECAM-controller.nas
index 8a8435aa..0293d105 100644
--- a/Nasal/ECAM/ECAM-controller.nas
+++ b/Nasal/ECAM/ECAM-controller.nas
@@ -72,7 +72,7 @@ var warning = {
 		me.noRepeat = 1;
 	},
 	sound: func() {
-        if (me.aural > 1 or me.noRepeat2 == 1 or me.active == 0) {return;} 
+        if (me.aural > 1 or me.noRepeat2 == 1 or me.active == 0) {return;}
         aural[me.aural].setBoolValue(0); 
         me.noRepeat2 = 1;
 		settimer(func() {
diff --git a/Nasal/fire.nas b/Nasal/fire.nas
index 2b673a8b..7d65524a 100644
--- a/Nasal/fire.nas
+++ b/Nasal/fire.nas
@@ -315,13 +315,13 @@ var engFireDetectorUnit = {
 					apuBleedNode.setValue(0);
 					systems.apu_stop();
 					apuEmerShutdown.setBoolValue(1);
-					settimer(func() {
+					settimer(func() { # 3 sec delay - source TTM ATA 26 FIRE PROTECTION p102
 						extinguisherBottles.vector[4].discharge();
-					}, 2);
+					}, 3);
 				} else {
 					settimer(func() {
 						extinguisherBottles.vector[4].discharge();
-					}, 2);
+					}, 3);
 				}
 			}
 		}
diff --git a/Sounds/A320-common-sound.xml b/Sounds/A320-common-sound.xml
index 2edca093..d93b937e 100644
--- a/Sounds/A320-common-sound.xml
+++ b/Sounds/A320-common-sound.xml
@@ -1504,7 +1504,10 @@
 				</and>
 			</condition>
 			<volume>
-				<property>sim/sound/effects/volume</property>
+				<product>
+					<value>5</value>
+					<property>sim/sound/effects/volume</property>
+				</product>
 			</volume>
 			<reference-dist>10</reference-dist>
 			<max-dist>100</max-dist>