diff --git a/EpdBase3/Epd3Base.cpp b/EpdBase3/Epd3Base.cpp
index cc92d45..d59e322 100644
--- a/EpdBase3/Epd3Base.cpp
+++ b/EpdBase3/Epd3Base.cpp
@@ -1,8 +1,10 @@
 #include "pch.h"
+#include "pch.h"
 #pragma unmanaged
 #include "Epd3Base.h"
 #include "TimeFunctions.h"
 #pragma unmanaged
+#define noDeissueWithClear
 
 //-102 = permission
 Epd3Base::Epd3U* current;
@@ -163,14 +165,13 @@ void Epd3Base::Epd3U::EndCom()
 		if (CommsInitialized == 1) {
 			if (epdComsHandle != nullptr) {
 				DisCon(0);
-				Dll3RV = CloseReader(epdComsHandle);
-				if (Dll3RV) {
-					rv = 1;
-				}
+				Sleep(1000);
+				//Dll3RV = CloseReader(epdComsHandle); // not necessary if followed by DestroyReaderInterface 
+				//if (Dll3RV) {
+				//	rv = 1;
+				//}
 				Dll3RV = DestroyReaderInterface(epdComsHandle);
-				if (Dll3RV) {
-					rv = 1;
-				}
+				if (Dll3RV) rv = 1;
 			}
 		}
 		Epd.Id = 0;
@@ -1112,32 +1113,35 @@ WORD Epd3Base::Epd3U::DeIssue()
 	if (port == 0) return 0;
 	if (CurrentDeviceID == 0) return 0;
 	
+	if (EPDIssued) {
 
-	//ReOpenDev();
-	ErrorStep = 1;
-	r = ClearAlarms();
-
+#if DeissueWithClear
 	ErrorStep = 2;
 	r = ClearDoses();
 
+	ErrorStep = 1;
+	r = ClearAlarms();
+	
+
+	//needed after clear alarms
 	Sleep(2000);
+#endif
 
 	ErrorStep = 3;
-	if (EPDIssued) {
-		token = BeginDeissueEPD(epdComsHandle, nullptr);
-		r = Commit3(epdComsHandle);
-		if (!r) r = EndDeissueEPD(epdComsHandle, token);
-		if (r)
-			r = 0; // goto error;
+	token = BeginDeissueEPD(epdComsHandle, nullptr);
+	r = Commit3(epdComsHandle);
+	if (!r) r = EndDeissueEPD(epdComsHandle, token);
+	if (r)
+			r = 0; 
 	}
+	Sleep(1000);
 
 	ErrorStep = 4;
 	token = BeginEpdOnOff(epdComsHandle, 0, nullptr);
 	r = Commit3(epdComsHandle);
 	if (!r) r = EndEpdOnOff(epdComsHandle, token);
-	if (r)
-		goto error;
-
+	//if (r)		goto error;
+	Sleep(1000);
 	ErrorStep = 5;
 	EndCom();
 
@@ -1201,6 +1205,7 @@ WORD Epd3Base::Epd3U::Issue(bool PrepareDone)  //normaal is preparedone=tru
 	int r = 0;
 	int step = 0;
 	int tries = 0;
+	UINT16 Control = 0;
 	if (port == 0) return r;
 
 	r = 0;
@@ -1209,16 +1214,19 @@ WORD Epd3Base::Epd3U::Issue(bool PrepareDone)  //normaal is preparedone=tru
 		if (r) goto error;
 	}
 
-
-	/*if (isMK3) {
+#if ProtectSession
+	if (isMK3) {
+		Control = EndSessionControl;
 		token = BeginEnableProtectedSession_R3(epdComsHandle, 1, nullptr);
 		r = Commit3(epdComsHandle);
 		r = EndEnableProtectedSession_R3(epdComsHandle, token);
 		if (r != 0)
 			goto error;
-	}*/
+	}
+#endif
+
 	step = 1;
-	r = ReOpenDev();
+	if (!isConnected) r = ReOpenDev();
 	if (r) goto error;
 
 	step = 2;
@@ -1261,17 +1269,10 @@ WORD Epd3Base::Epd3U::Issue(bool PrepareDone)  //normaal is preparedone=tru
 	if (r)
 		goto error;
 
-	/*if (isMK3) {
-		token = BeginEnableProtectedSession_R3(epdComsHandle, 0, nullptr);
-		r = Commit3(epdComsHandle);
-		r = EndEnableProtectedSession_R3(epdComsHandle, token);
-		if (r)
-			goto error;
-	}*/
-
+	
 	step = 6;
 	if (isMK3) {
-		r = DisCon(EndSessionControl); //stops protected session
+		r = DisCon(Control); //stops protected session if control is EndSessionCOntrol
 		if (r)
 			goto error;
 	}
@@ -1519,6 +1520,7 @@ int Epd3Base::Epd3U::WriteConfig(void)
 		r = Commit3(epdComsHandle);
 		r = EndWriteAlarmConfiguration_R3(epdComsHandle, token);
 	}
+
 	//OffModeDisplay
 	if (!r) {
 		dutyCycle = (OffModeDutyCycle)0;
diff --git a/eDosStation/Properties/AssemblyInfo.cs b/eDosStation/Properties/AssemblyInfo.cs
index 585d8ed..ffdd69c 100644
--- a/eDosStation/Properties/AssemblyInfo.cs
+++ b/eDosStation/Properties/AssemblyInfo.cs
@@ -55,6 +55,6 @@ using System.Windows;
 //2.16 : version with reconnect MK3v2)
 //2.18 : more tested
 //2.20 Thermo : workflow bij issue ( en toevoegen time set)
-
-[assembly: AssemblyVersion("2.21.0.0")]
-[assembly: AssemblyFileVersion("2.21.0.0")]
+//2.22 No clear bij deissue.
+[assembly: AssemblyVersion("2.22.0.0")]
+[assembly: AssemblyFileVersion("2.22.0.0")]
diff --git a/eDosStation/Resources/BuildDate.txt b/eDosStation/Resources/BuildDate.txt
index a8e5ec2..7fd5646 100644
--- a/eDosStation/Resources/BuildDate.txt
+++ b/eDosStation/Resources/BuildDate.txt
@@ -1 +1 @@
-Thu 08/29/2024 15:25:11.68 
+Fri 08/30/2024  7:24:09.58 
diff --git a/eDosStation/eDosStation.zip b/eDosStation/eDosStation.zip
index 1bb0ac1..9ba3827 100644
Binary files a/eDosStation/eDosStation.zip and b/eDosStation/eDosStation.zip differ