diff --git a/tubelib_addons1/fermenter.lua b/tubelib_addons1/fermenter.lua
index 9584a01..1a81742 100644
--- a/tubelib_addons1/fermenter.lua
+++ b/tubelib_addons1/fermenter.lua
@@ -19,7 +19,7 @@ local CYCLE_TIME = 4
 local TICKS_TO_SLEEP = 5
 local STOP_STATE = 0
 local STANDBY_STATE = -1
-local FAULT_STATE = -2
+local FAULT_STATE = -3
 
 
 local leaves = {
@@ -135,7 +135,7 @@ end
 local function goto_sleep(pos)
 	local meta = minetest.get_meta(pos)
 	local number = meta:get_string("number")
-	meta:set_int("running", STOP_STATE)
+	meta:set_int("running", STANDBY_STATE)
 	minetest.get_node_timer(pos):start(CYCLE_TIME * TICKS_TO_SLEEP)
 	meta:set_string("infotext", "Tubelib Fermenter "..number..": standby")
 	meta:set_string("formspec", formspec(tubelib.STANDBY))
diff --git a/tubelib_addons1/grinder.lua b/tubelib_addons1/grinder.lua
index 0b1fe50..8c3bb0e 100644
--- a/tubelib_addons1/grinder.lua
+++ b/tubelib_addons1/grinder.lua
@@ -18,7 +18,7 @@ local TICKS_TO_SLEEP = 10
 local CYCLE_TIME = 2
 local STOP_STATE = 0
 local STANDBY_STATE = -1
-local FAULT_STATE = -2
+local FAULT_STATE = -3
 
 
 local function formspec(state)
@@ -285,7 +285,7 @@ tubelib.register_node("tubelib_addons1:grinder", {"tubelib_addons1:grinder_activ
 		elseif topic == "state" then
 			local meta = minetest.get_meta(pos)
 			local running = meta:get_int("running")
-			return tubelib.statestring(runnnig)
+			return tubelib.statestring(running)
 		else
 			return "unsupported"
 		end
diff --git a/tubelib_addons1/harvester.lua b/tubelib_addons1/harvester.lua
index ccaf502..21755e2 100644
--- a/tubelib_addons1/harvester.lua
+++ b/tubelib_addons1/harvester.lua
@@ -28,7 +28,7 @@ local TICKS_TO_SLEEP = 10
 local STOP_STATE = 0
 local RUNNING = 1
 local STANDBY_STATE = -1
-local FAULT_STATE = -2
+local FAULT_STATE = -3
 local OFFSET = 5
 
 local Radius2Idx = {[4]=1 ,[6]=2, [8]=3, [10]=4, [12]=5, [14]=6, [16]=7}
diff --git a/tubelib_addons1/quarry.lua b/tubelib_addons1/quarry.lua
index 2bae436..5e80354 100644
--- a/tubelib_addons1/quarry.lua
+++ b/tubelib_addons1/quarry.lua
@@ -24,7 +24,7 @@ local CYCLE_TIME = 4
 local BURNING_TIME = 16
 local TICKS_TO_SLEEP = 5
 local STOP_STATE = 0
-local FAULT_STATE = -2
+local FAULT_STATE = -3
 
 local Depth2Idx = {[1]=1 ,[2]=2, [3]=3, [5]=4, [10]=5, [15]=6, [20]=7, [25]=8}
 local Level2Idx = {[2]=1, [1]=2, [0]=3, [-1]=4, [-2]=5, [-3]=6, 
diff --git a/tubelib_addons1/reformer.lua b/tubelib_addons1/reformer.lua
index fb79d4a..7efafde 100644
--- a/tubelib_addons1/reformer.lua
+++ b/tubelib_addons1/reformer.lua
@@ -19,7 +19,7 @@ local CYCLE_TIME = 6
 local TICKS_TO_SLEEP = 5
 local STOP_STATE = 0
 local STANDBY_STATE = -1
-local FAULT_STATE = -2
+local FAULT_STATE = -3
 
 local function formspec(state)
 	return "size[8,8]"..
@@ -124,7 +124,7 @@ end
 local function goto_sleep(pos)
 	local meta = minetest.get_meta(pos)
 	local number = meta:get_string("number")
-	meta:set_int("running", STOP_STATE)
+	meta:set_int("running", STANDBY_STATE)
 	minetest.get_node_timer(pos):start(CYCLE_TIME * TICKS_TO_SLEEP)
 	meta:set_string("infotext", "Tubelib Reformer "..number..": standby")
 	meta:set_string("formspec", formspec(tubelib.STANDBY))