diff --git a/el734hp.c b/el734hp.c
index d7d3f9a..bfc980c 100644
--- a/el734hp.c
+++ b/el734hp.c
@@ -146,7 +146,7 @@ static int EL734Run(void *pData,float fValue){
 }
 /*-----------------------------------------------------------------------*/
 static int decodeMSR(pEL734Driv self, int msr){
-  if(msr == 0){
+  if (msr == 0){
     /*
       we are done: check ored_msr for troubles
     */
@@ -162,7 +162,7 @@ static int decodeMSR(pEL734Driv self, int msr){
       self->errorCode = RUNFAULT;
       return HWPosFault;
     } else if(self->oredMsr & 0x200){
-      self->errorCode = RUNFAULT;
+      self->errorCode = POSFAULT;
       return HWPosFault;
     } else if(self->oredMsr & 0x1000){
       self->errorCode = BADCUSHION;
@@ -179,11 +179,18 @@ static int decodeMSR(pEL734Driv self, int msr){
     } else if(self->oredMsr & 0x400){
       self->errorCode = POSFAULT;
       return HWFault;
-    } 
+    } else {
+      self->errorCode = BADUNKNOWN;
+      return HWFault; /* should not happen */
+    }
   } else {
     /*
       we are still tugging along ............
     */
+    
+    return HWBusy;
+    /* inserted above line and commented out lines below M.Zolliker Sep 2004
+       we do not stop when a minor error message occurs, but treat these with oredMsr
     if(msr & 0x10){
       self->errorCode = LOWLIM;
       return HWFault;
@@ -193,8 +200,8 @@ static int decodeMSR(pEL734Driv self, int msr){
     } else if(msr & 0x80){
       self->errorCode = RUNFAULT;
       return HWPosFault;
-    } else if(self->oredMsr & 0x200){
-      self->errorCode = RUNFAULT;
+    } else if(msr & 0x200){
+      self->errorCode = POSFAULT;
       return HWPosFault;
     } else if(msr & 0x1000){
       self->errorCode = BADCUSHION;
@@ -214,6 +221,7 @@ static int decodeMSR(pEL734Driv self, int msr){
     } else {
       return HWBusy;
     }
+    */
   }
 }
 /*------------------------------------------------------------------------*/