diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/ConfigBuilder/DetailedBolusInfoStorage.java b/app/src/main/java/info/nightscout/androidaps/plugins/ConfigBuilder/DetailedBolusInfoStorage.java
index abe3c75c73..7a4e99b584 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/ConfigBuilder/DetailedBolusInfoStorage.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/ConfigBuilder/DetailedBolusInfoStorage.java
@@ -19,13 +19,13 @@ public class DetailedBolusInfoStorage {
     private static Logger log = LoggerFactory.getLogger(DetailedBolusInfoStorage.class);
     private static List<DetailedBolusInfo> store = new ArrayList<>();
 
-    public static void add(DetailedBolusInfo detailedBolusInfo) {
+    public static synchronized void add(DetailedBolusInfo detailedBolusInfo) {
         log.debug("Stored bolus info: " + detailedBolusInfo);
         store.add(detailedBolusInfo);
     }
 
     @Nullable
-    public static DetailedBolusInfo findDetailedBolusInfo(long bolustime) {
+    public static synchronized DetailedBolusInfo findDetailedBolusInfo(long bolustime) {
         DetailedBolusInfo found = null;
         for (int i = 0; i < store.size(); i++) {
             long infoTime = store.get(i).date;
@@ -38,7 +38,7 @@ public class DetailedBolusInfoStorage {
         return found;
     }
 
-    public static void remove(long bolustime) {
+    public static synchronized void remove(long bolustime) {
         for (int i = 0; i < store.size(); i++) {
             long infoTime = store.get(i).date;
             if (bolustime > infoTime - 60 * 1000 && bolustime < infoTime + 60 * 1000) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/DanaRPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/DanaRPlugin.java
index 7a91437f17..279a93340f 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/DanaRPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/DanaRPlugin.java
@@ -159,7 +159,7 @@ public class DanaRPlugin extends AbstractDanaRPlugin {
             if (detailedBolusInfo.insulin > 0 || detailedBolusInfo.carbs > 0)
                 connectionOK = sExecutionService.bolus(detailedBolusInfo.insulin, (int) detailedBolusInfo.carbs, detailedBolusInfo.carbTime, t);
             PumpEnactResult result = new PumpEnactResult();
-            result.success = connectionOK && detailedBolusInfo.insulin == t.insulin;
+            result.success = connectionOK && Math.abs(detailedBolusInfo.insulin - t.insulin) < pumpDescription.bolusStep;
             result.bolusDelivered = t.insulin;
             result.carbsDelivered = detailedBolusInfo.carbs;
             if (!result.success)
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRKorean/DanaRKoreanPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRKorean/DanaRKoreanPlugin.java
index 03d60ad605..092febec61 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRKorean/DanaRKoreanPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRKorean/DanaRKoreanPlugin.java
@@ -160,7 +160,7 @@ public class DanaRKoreanPlugin extends AbstractDanaRPlugin {
             if (detailedBolusInfo.insulin > 0 || detailedBolusInfo.carbs > 0)
                 connectionOK = sExecutionService.bolus(detailedBolusInfo.insulin, (int) detailedBolusInfo.carbs, detailedBolusInfo.carbTime, t);
             PumpEnactResult result = new PumpEnactResult();
-            result.success = connectionOK && detailedBolusInfo.insulin == t.insulin;
+            result.success = connectionOK && Math.abs(detailedBolusInfo.insulin - t.insulin) < pumpDescription.bolusStep;
             result.bolusDelivered = t.insulin;
             result.carbsDelivered = detailedBolusInfo.carbs;
             if (!result.success)
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/DanaRSPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/DanaRSPlugin.java
index 1f30ed6c3f..1cbb256c1e 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/DanaRSPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/DanaRSPlugin.java
@@ -386,7 +386,7 @@ public class DanaRSPlugin extends PluginBase implements PumpInterface, DanaRInte
             if (detailedBolusInfo.insulin > 0 || carbs > 0)
                 connectionOK = danaRSService.bolus(detailedBolusInfo.insulin, (int) carbs, DateUtil.now() + carbTime * 60 * 1000, t);
             PumpEnactResult result = new PumpEnactResult();
-            result.success = connectionOK && detailedBolusInfo.insulin == t.insulin;
+            result.success = connectionOK && Math.abs(detailedBolusInfo.insulin - t.insulin) < pumpDescription.bolusStep;
             result.bolusDelivered = t.insulin;
             result.carbsDelivered = detailedBolusInfo.carbs;
             if (!result.success)
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/comm/DanaRS_Packet_Bolus_Set_Step_Bolus_Start.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/comm/DanaRS_Packet_Bolus_Set_Step_Bolus_Start.java
index f90dd77b74..44e5d308dc 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/comm/DanaRS_Packet_Bolus_Set_Step_Bolus_Start.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRS/comm/DanaRS_Packet_Bolus_Set_Step_Bolus_Start.java
@@ -53,9 +53,10 @@ public class DanaRS_Packet_Bolus_Set_Step_Bolus_Start extends DanaRS_Packet {
     public void handleMessage(byte[] data) {
         errorCode = intFromBuff(data, 0, 1);
         if (Config.logDanaMessageDetail) {
-            if (errorCode == 0)
+            if (errorCode == 0) {
                 log.debug("Result OK");
-            else {
+                failed = false;
+            } else {
                 failed = true;
                 log.error("Result Error: " + errorCode);
             }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/DanaRv2Plugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/DanaRv2Plugin.java
index 0ea6f192e4..7c13707949 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/DanaRv2Plugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaRv2/DanaRv2Plugin.java
@@ -174,7 +174,7 @@ public class DanaRv2Plugin extends AbstractDanaRPlugin {
             if (detailedBolusInfo.insulin > 0 || carbs > 0)
                 connectionOK = sExecutionService.bolus(detailedBolusInfo.insulin, (int) carbs, DateUtil.now() + carbTime * 60 * 1000, t);
             PumpEnactResult result = new PumpEnactResult();
-            result.success = connectionOK && detailedBolusInfo.insulin == t.insulin;
+            result.success = connectionOK && Math.abs(detailedBolusInfo.insulin - t.insulin) < pumpDescription.bolusStep;
             result.bolusDelivered = t.insulin;
             result.carbsDelivered = detailedBolusInfo.carbs;
             if (!result.success)