diff --git a/TBF/Rig/TestMethods/iPerlCommunication/OpticalHeadTest.cs b/TBF/Rig/TestMethods/iPerlCommunication/OpticalHeadTest.cs
index 2f23a84e4..35fef0ecd 100644
--- a/TBF/Rig/TestMethods/iPerlCommunication/OpticalHeadTest.cs
+++ b/TBF/Rig/TestMethods/iPerlCommunication/OpticalHeadTest.cs
@@ -1,4 +1,5 @@
-using Sensus.iPerl.RfidCom.Helper;
+using log4net;
+using Sensus.iPerl.RfidCom.Helper;
 using Sensus.iPerl.RfidCom.Services;
 using Sensus.iPerl.RfidCom.Structures;
 using System;
@@ -9,6 +10,8 @@ namespace TBF.Rig.TestMethods.iPerlCommunication
 {
     internal class OpticalHeadTest
     {
+        protected static readonly ILog rfidDataLogger = LogManager.GetLogger("RfidData");
+
         internal static string OpenSealing(IperlHead iHead)
         {
             if (RfidCommands.OpenSealing($"COM{iHead.RfidComPortNr}")) return "OK";
@@ -25,6 +28,7 @@ namespace TBF.Rig.TestMethods.iPerlCommunication
                 {
                     return RfidHelper.HexLiteral2Unsigned(RfidHelper.SwapHexcode(BitConverter.ToString(pcb).Replace("-", string.Empty))).ToString();
                 }
+                rfidDataLogger.Error($"COM{iHead.RfidComPortNr}: ReadRequest_PCB ({MessageID.Configuration},16,5...) <- Error: {readRetVal}");
                 return "Error";
             }
             catch (Exception ex)
diff --git a/TBF/Rig/TestMethods/iPerlCommunication/iPerlCommunicationForm.cs b/TBF/Rig/TestMethods/iPerlCommunication/iPerlCommunicationForm.cs
index 053420190..97947fef1 100644
--- a/TBF/Rig/TestMethods/iPerlCommunication/iPerlCommunicationForm.cs
+++ b/TBF/Rig/TestMethods/iPerlCommunication/iPerlCommunicationForm.cs
@@ -26,6 +26,7 @@ using System.Text.RegularExpressions;
 using Sensus.iPerl.RfidCom.Services;
 using System.Threading.Tasks;
 using Sensus.iPerl.RfidCom.Structures;
+using Sensus.iPerl.RfidCom.Model.Enums;
 
 namespace TBF.Rig.TestMethods.iPerlCommunication
 {
@@ -248,12 +249,19 @@ namespace TBF.Rig.TestMethods.iPerlCommunication
                 }
                 catch (Exception ex)
                 {
-                    rfidDataLogger.Error($"COM{iperlHead.RfidComPortNr}: Error: {ex.Message}");
-                    Thread.Sleep(cfg.WaitTimeAfterFailure);
-                    if (i > 1)
+                    if (messageID == MessageID.RadioPassthrough || messageID == MessageID.ASICRegisterReadTest)
                     {
-                        rfidDataLogger.Error($"COM{iperlHead.RfidComPortNr}: Reopen the com port.");
-                        writer.ClosePort();
+                        Thread.Sleep(1500);
+                    }
+                    else
+                    {
+                        rfidDataLogger.Error($"COM{iperlHead.RfidComPortNr}: Error: {ex.Message}");
+                        Thread.Sleep(cfg.WaitTimeAfterFailure);
+                        if (i > 1)
+                        {
+                            rfidDataLogger.Error($"COM{iperlHead.RfidComPortNr}: Reopen the com port.");
+                            writer.ClosePort();
+                        }
                     }
                 }
             }
@@ -2360,20 +2368,37 @@ namespace TBF.Rig.TestMethods.iPerlCommunication
 
             byte arrow = (flowDir == FlowDir.L_R) ? (byte)1 : (byte)2;      /// L-R is reverse flow (=1), R-L is forward flow (=2)(default)
 
-            iPerlDataWrite[] dataToBeWritten = new iPerlDataWrite[]
+            List<iPerlDataWrite> dataToBeWritten = new List<iPerlDataWrite> 
             {
                 new iPerlDataWrite(MessageID.MetrologyMemory,  0x19A1, new byte[] { (byte)0xA5 }, "Open Sealing"),
-                new iPerlDataWrite(MessageID.RadioPassthrough, 0x1804, new byte[] { (byte)1 }, "System Status"),
                 new iPerlDataWrite(MessageID.MetrologyMemory,  0x1985, new byte[] { arrow }, "Arrow"),
                 new iPerlDataWrite(MessageID.MetrologyMemory,  0x199C, new byte[5], "Clear S/N"),
-                new iPerlDataWrite(MessageID.Command,          0x0000, new byte[] { (byte)Command.SetActiveMode }, "Set active mode"),
                 new iPerlDataWrite(MessageID.Configuration,    0x0015, new byte[] { (byte)0xA0 }, "Test mode config = A0"),
-                new iPerlDataWrite(MessageID.MetrologyMemory,  0x198E, new byte[] { (byte)(2510 & 0xFF), (byte)((2510 >> 8) & 0xFF) }, "Receipt mean current"),
-                new iPerlDataWrite(MessageID.RadioPassthrough, 0x18A2, new byte[] { (byte)0x4A, (byte)0x53, (byte)0x3B, (byte)0x8F,
+                new iPerlDataWrite(MessageID.MetrologyMemory,  0x198E, new byte[] { (byte)(2510 & 0xFF), (byte)((2510 >> 8) & 0xFF) }, "Receipt mean current")
+            };
+
+            // check meter status: 1-Idle, 2-Active, 3-Test, 4-End Of Life
+            if (0 == ReadRequestPort(ihead, MessageID.Configuration, 1, 1, out byte[] rdData))
+            {
+                int eMeterState = (int)((SByte)rdData[0]);
+                switch (eMeterState)
+                {
+                    case 1: // Idle -> Test -> Active
+                        dataToBeWritten.Add(new iPerlDataWrite(MessageID.Command, 0x0000, new byte[] { (byte)Command.SetTestMode }, "Set test mode"));
+                        dataToBeWritten.Add(new iPerlDataWrite(MessageID.Command, 0x0000, new byte[] { (byte)Command.SetActiveMode }, "Set active mode"));
+                        break;
+                    case 3: // Test Mode -> Active
+                        dataToBeWritten.Add(new iPerlDataWrite(MessageID.Command, 0x0000, new byte[] { (byte)Command.SetActiveMode }, "Set active mode"));
+                        break;
+                }
+            }
+
+            dataToBeWritten.Add(new iPerlDataWrite(MessageID.RadioPassthrough, 0x1804, new byte[] { (byte)1 }, "System Status"));
+            dataToBeWritten.Add(new iPerlDataWrite(MessageID.RadioPassthrough, 0x1898, new byte[] { (byte)3 }, "WakeUpInterval"));
+            dataToBeWritten.Add(new iPerlDataWrite(MessageID.RadioPassthrough, 0x18A2, new byte[] { (byte)0x4A, (byte)0x53, (byte)0x3B, (byte)0x8F,
                                                                                     (byte)0x70, (byte)0x31, (byte)0xC2, (byte)0x5D,
                                                                                     (byte)0x6F, (byte)0x2D, (byte)0xE8, (byte)0x07,
-                                                                                    (byte)0x6E, (byte)0x0F, (byte)0x97, (byte)0xC3, }, "AES Key Crypted"),
-            };
+                                                                                    (byte)0x6E, (byte)0x0F, (byte)0x97, (byte)0xC3, }, "AES Key Crypted"));
 
             int successfyllyWrittenFlags = 0;           /// Ones in this word represent communication failures, LSB represents the first step
             int mask = 1;