diff --git a/@MyCeCryo/MyCeCryo.m b/@MyCeCryo/MyCeCryo.m
index b632d50..5154cb4 100644
--- a/@MyCeCryo/MyCeCryo.m
+++ b/@MyCeCryo/MyCeCryo.m
@@ -1,166 +1,65 @@
 % Class for controlling the auto manifold of ColdEdge stinger cryostat.
 % The manifold is managed by an Arduino board that communicates with 
 % computer via serial protocol. 
 
 classdef MyCeCryo < MyScpiInstrument
     
-    properties (GetAccess = public, SetAccess = protected, ...
-            SetObservable = true)
-        
-        % If a long term operation (e.g. starting a cooldown or pumping the 
-        % capillary) is in progress
-        operation_in_progress
-        
-        % Time for the recirculator to pump down helium from the capillary 
-        % before closing it off
-        tr = 20
-    end
-    
-    properties (Access = protected)
-        Timer
-    end
-    
     methods (Access = public)
         function this = MyCeCryo(interface, address, varargin)
             this@MyScpiInstrument(interface, address, varargin{:});
             
-            this.Timer = timer();
-            
             % Buffer size of 64 kB should be way an overkill. The labview
             % program provided by ColdEdge use 256 Bytes.
             this.Device.InputBufferSize=2^16;
             this.Device.OutputBufferSize=2^16;
         end
         
-        function delete(this)
-            try
-                stop(this.Timer);
-            catch ME
-                warning(ME.message);
-            end
-            
-            try
-                delete(this.Timer);
-            catch ME
-                warning(ME.message);
-            end
-        end
-        
-        % Abort the current operation
-        function abort(this)
-            stop(this.Timer);
-            this.operation_in_progress = false;
-            
-            writePropertyHedged(this, ...
-                'valve1',       false, ...
-                'valve2',       false, ...
-                'valve3',       false, ...
-                'valve4',       false, ...
-                'valve5',       false, ...
-                'valve7',       false, ...
-                'recirc',       false, ...
-                'cryocooler',   false);
-        end
-        
-        function startCooldown(this)
-            assert(~this.operation_in_progress, ['Cannot initiate' ...
-                ' cooldown stop. Another operation is in progress.'])
-            
-            writePropertyHedged(this, ...
-                'valve2',       false, ...
-                'valve3',       false, ...
-                'valve5',       false, ...
-                'valve7',       false);
-            
+        function switchAllOff(this)
             writePropertyHedged(this, ...
-                'valve1',       true, ...
-                'valve4',       true, ...
-                'recirc',       true, ...
-                'cryocooler',   true);
-        end
-        
-        function stopCooldown(this)
-            function switchRecirculatorOff(~, ~)
-                writePropertyHedged(this, ...
-                    'valve1',       false, ...
-                    'valve2',       false, ...
-                    'valve3',       false, ...
-                    'valve4',       false);
-                
-                % Switch off the recirculator after all the valves are
-                % closed
-                writePropertyHedged(this, 'recirc', false);
-                
-                this.operation_in_progress = false;
-            end
-            
-            assert(~this.operation_in_progress, ['Cannot initiate' ...
-                ' cooldown stop. Another operation is in progress.'])
-            
-            % Switch off the cryocooler, close the recirculator supply 
-            % valve (1) and at the same time open the valves bridging the 
-            % recirculator return and supply (2 and 3).
-            writePropertyHedged(this, ...
-                'valve1',       false, ...
-                'valve2',       true, ...
-                'valve3',       true, ...
+                'valve1',   false, ...
+                'valve2',   false, ...
+                'valve3',   false, ...
+                'valve4',   false, ...
+                'valve5',   false, ...
+                'valve7',   false, ...
+                'recirc',   false, ...
                 'cryocooler',   false);
-            
-            % Wait for the helium to be pumped out of the capillary by the
-            % recirculator and then switch the recirculator off
-            this.Timer.ExecutionMode = 'singleShot';
-            this.Timer.StartDelay = this.tr;
-            this.Timer.TimerFcn = @switchRecirculatorOff;
-            
-            start(this.Timer);
-            this.operation_in_progress = true;
         end
     end
     
     methods (Access = protected)
         function createCommandList(this)
             
             % Valve states
             for i=1:7
                 if i == 6
                     continue % No valve 6
                 end
                 
                 tag = sprintf('valve%i',i);
                 cmd = sprintf(':VALVE%i',i);
                 addCommand(this, tag, cmd,...
                     'default',  false, ...
                     'fmt_spec', '%b', ...
                     'info',     'Valve open(true)/clsed(false)');
             end
             
             addCommand(this, 'recirc', ':REC',...
                 'default',  false, ...
                 'fmt_spec', '%b', ...
                 'info',     'Recirculator on/off');
             
             addCommand(this, 'cryocooler', ':COOL',...
                 'default',  false, ...
                 'fmt_spec', '%b', ...
                 'info',     'Cryocooler on/off');
             
             addCommand(this, 'press', ':PRES',...
                 'default',  false, ...
                 'fmt_spec', '%e', ...
                 'access',   'r', ...
                 'info',     'Supply pressure (PSI)');
         end
     end
-    
-    methods
-        function val = get.operation_in_progress(this)
-            try
-                val = strcmpi(this.Timer.Running, 'on');
-            catch ME
-                warning(ME.message);
-                val = false;
-            end
-        end
-    end
 end
 
diff --git a/GUIs/GuiCeCryo.mlapp b/GUIs/GuiCeCryo.mlapp
index 927adaa..c5cd6f1 100644
Binary files a/GUIs/GuiCeCryo.mlapp and b/GUIs/GuiCeCryo.mlapp differ