diff --git a/Code/HanDebugger/HanDebuggerTest/HanDebuggerTest.csproj b/Code/HanDebugger/HanDebuggerTest/HanDebuggerTest.csproj
index d18655c1..773ac3bc 100644
--- a/Code/HanDebugger/HanDebuggerTest/HanDebuggerTest.csproj
+++ b/Code/HanDebugger/HanDebuggerTest/HanDebuggerTest.csproj
@@ -70,6 +70,9 @@
     <Content Include="SampleData.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Kamstrup228.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
   </ItemGroup>
   <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/Code/HanDebugger/HanDebuggerTest/Kamstrup228.txt b/Code/HanDebugger/HanDebuggerTest/Kamstrup228.txt
new file mode 100644
index 00000000..d41f4fde
--- /dev/null
+++ b/Code/HanDebugger/HanDebuggerTest/Kamstrup228.txt
@@ -0,0 +1 @@
+7E A0 E2 2B 21 13 23 9A E6 E7 00 0F 00 00 00 00 0C 07 E2 03 04 07 14 34 00 FF 80 00 00 02 19 0A 0E 4B 61 6D 73 74 72 75 70 5F 56 30 30 30 31 09 06 01 01 00 00 05 FF 0A 10 35 37 30 36 35 36 37 32 37 34 33 38 39 37 30 32 09 06 01 01 60 01 01 FF 0A 12 36 38 34 31 31 32 31 42 4E 32 34 33 31 30 31 30 34 30 09 06 01 01 01 07 00 FF 06 00 00 0E E7 09 06 01 01 02 07 00 FF 06 00 00 00 00 09 06 01 01 03 07 00 FF 06 00 00 00 00 09 06 01 01 04 07 00 FF 06 00 00 00 BF 09 06 01 01 1F 07 00 FF 06 00 00 05 59 09 06 01 01 33 07 00 FF 06 00 00 01 EC 09 06 01 01 47 07 00 FF 06 00 00 05 14 09 06 01 01 20 07 00 FF 12 00 E1 09 06 01 01 34 07 00 FF 12 00 DD 09 06 01 01 48 07 00 FF 12 00 DE 46 0F 7E
\ No newline at end of file
diff --git a/Code/HanDebugger/HanDebuggerTest/ReaderTest.cs b/Code/HanDebugger/HanDebuggerTest/ReaderTest.cs
index 411471d9..8ab42484 100644
--- a/Code/HanDebugger/HanDebuggerTest/ReaderTest.cs
+++ b/Code/HanDebugger/HanDebuggerTest/ReaderTest.cs
@@ -8,6 +8,7 @@ namespace HanDebuggerTest
 {
     [TestClass]
     [DeploymentItem(@"SampleData.txt")]
+    [DeploymentItem(@"Kamstrup228.txt")]
     [DeploymentItem("Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions.dll")]
     public class ReaderTest
     {
@@ -33,5 +34,16 @@ namespace HanDebuggerTest
                 Assert.IsTrue(reader.IsValid(), $"Data is not valid (Line #{i + 1}): {sample}");
             }
         }
+
+
+        [TestMethod]
+        public void TestKamstrup228()
+        {
+            var text = File.ReadAllText("Kamstrup228.txt");
+            byte[] bytes = text.Trim().Split(' ').Select(v => (byte)int.Parse(v, System.Globalization.NumberStyles.HexNumber)).ToArray();
+            var reader = new Reader(bytes);
+            Assert.IsTrue(reader.IsValid(), "Data is not valid");
+        }
+
     }
 }