Fixes

code/game/objects/items/mountable_frames/extinguisher_frame.dm

@@ -6,5 +6,5 @@
 	mount_reqs = list("simfloor", "nospace")
 
 /obj/item/mounted/frame/extinguisher/do_build(turf/on_wall, mob/user)
-	new /obj/structure/extinguisher_cabinet(get_turf(src), get_dir(user, on_wall))
+	new /obj/structure/extinguisher_cabinet/empty(get_turf(src), get_dir(user, on_wall))
 	qdel(src)

code/game/objects/items/stacks/sheets/sheet_types.dm

@@ -90,7 +90,7 @@ var/global/list/datum/stack_recipe/metal_recipes = list(
 	new /datum/stack_recipe("air alarm frame", /obj/item/mounted/frame/alarm_frame, 2),
 	new /datum/stack_recipe("fire alarm frame", /obj/item/mounted/frame/firealarm, 2),
 	new /datum/stack_recipe("intercom frame", /obj/item/mounted/frame/intercom, 2),
-	new /datum/stack_recipe("extinguisher cabinet frame", /obj/item/mounted/frame/extinguisher, 5),
+	new /datum/stack_recipe("extinguisher cabinet frame", /obj/item/mounted/frame/extinguisher, 2),
 	null
 )
 

code/game/objects/structures/extinguisher.dm

@@ -1,3 +1,8 @@
+#define NO_EXTINGUISHER 0
+#define NORMAL_EXTINGUISHER 1
+#define MINI_EXTINGUISHER 2
+
+
 /obj/structure/extinguisher_cabinet
 	name = "extinguisher cabinet"
 	desc = "A small wall mounted cabinet designed to hold a fire extinguisher."
@@ -5,7 +10,8 @@
 	icon_state = "extinguisher_closed"
 	anchored = 1
 	density = 0
-	var/obj/item/extinguisher/has_extinguisher = new/obj/item/extinguisher
+	var/obj/item/extinguisher/has_extinguisher = null
+	var/extinguishertype
 	var/opened = 0
 	var/material_drop = /obj/item/stack/sheet/metal
 
@@ -14,11 +20,18 @@
 	if(ndir)
 		pixel_x = (ndir & EAST|WEST) ? (ndir == EAST ? 28 : -28) : 0
 		pixel_y = (ndir & NORTH|SOUTH)? (ndir == WEST ? 28 : -28) : 0
+	switch(extinguishertype)
+		if(NO_EXTINGUISHER)
+			return
+		if(MINI_EXTINGUISHER)
+			has_extinguisher = new/obj/item/extinguisher/mini
+		else
+			has_extinguisher = new/obj/item/extinguisher
 
 /obj/structure/extinguisher_cabinet/Destroy()
 	QDEL_NULL(has_extinguisher)
 	return ..()
-
+	
 /obj/structure/extinguisher_cabinet/attackby(obj/item/O, mob/user, params)
 	if(isrobot(user) || isalien(user))
 		return
@@ -39,7 +52,6 @@
 			return
 		var/obj/item/weldingtool/WT = O
 		if(!WT.remove_fuel(0, user))
-			to_chat(user, "<span class='notice'>You need more welding fuel to complete this task.</span>")
 			return
 		to_chat(user, "<span class='notice'>You begin cutting [src] apart...</span>")
 		playsound(loc, WT.usesound, 40, 1)
@@ -99,3 +111,11 @@
 			icon_state = "extinguisher_full"
 	else
 		icon_state = "extinguisher_empty"
+
+/obj/structure/extinguisher_cabinet/empty/New(turf/loc, ndir = null)
+	extinguishertype = NO_EXTINGUISHER
+	..()
+
+#undef NO_EXTINGUISHER
+#undef NORMAL_EXTINGUISHER
+#undef MINI_EXTINGUISHER