diff --git a/src/storeINdata.cpp b/src/storeINdata.cpp
index 37567d3..c4a3b9d 100644
--- a/src/storeINdata.cpp
+++ b/src/storeINdata.cpp
@@ -1984,7 +1984,7 @@ void epi_iniVRstorage(void)
 void gpi_storeVaultRecord(uint8_t blkNr, uint8_t *data )
 {
     uint16_t start=blkNr, ii;
-    //qDebug()<<"storing vault data "<<blkNr;
+    qDebug()<<"storing vault data "<<blkNr;
     SharedMem::write()->store_gotNrBlocksOfVaultRec |= (1<<start);  // setze pro Block ein bit, wir brauchen block 0...5
                                                 // also muss store_gotNrBlocksOfVaultRec auf 0x1F stehen
     start<<=6;      // *64
@@ -2054,13 +2054,50 @@ uint16_t epi_getNrOfCoinsInCashBox(void)
 
 void gpi_storeDcDataValid(bool isVal)
 {
-    SharedMem::write()->store_DcDataAreValid = isVal;
+    bool now=SharedMem::read()->store_DcDataAreValid;
+    if (isVal != now)
+    {
+        SharedMem::write()->store_DcDataAreValid = isVal;
+#ifdef THIS_IS_CA_MASTER
+        qDebug()<<"master lib sets DcDataValid to "<<isVal;
+#else
+        qDebug()<<"slave lib sets DcDataValid to "<<isVal;
+#endif
+    }
 }
 
+void epi_setDcDataValid(void)
+{
+    bool now=SharedMem::read()->store_DcDataAreValid;
+    if (now==false)
+    {
+        SharedMem::write()->store_DcDataAreValid = true;
+#ifdef THIS_IS_CA_MASTER
+        qDebug()<<"master lib SET DcDataValid";
+#else
+        qDebug()<<"slave lib SET DcDataValid";
+#endif
+    }
+}
+
+void epi_resetDcDataValid(void)
+{
+    bool now=SharedMem::read()->store_DcDataAreValid;
+    if (now==true)
+    {
+        SharedMem::write()->store_DcDataAreValid = false;
+#ifdef THIS_IS_CA_MASTER
+        qDebug()<<"master lib RESET DcDataValid";
+#else
+        qDebug()<<"slave lib RESET DcDataValid";
+#endif
+    }
+}
 
 bool epi_areDcDataValid()
 {
     return SharedMem::read()->store_DcDataAreValid;
+
 }
 
 // ....................................................................................