diff --git a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
index 85ac9b940..53c95eaef 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/firmware_funcs.c
@@ -971,36 +971,7 @@ int64_t getTrains(){
 
 
 int64_t setProbes(int64_t value){
-  int ow;
-  int nm=setNMod(-1);
-  switch (getDynamicRange()) {
-  case 32:
-    ow=1;
-    break;
-  case 16:
-    ow=2;
-    break;
-  case 8:
-    ow=3;
-    break;
-  case 4:
-    ow=4;
-    break;
-  case 1:
-    ow=5;
-    break;
-  default:
-    ow=1;
-    break;
-  }
-  if (value>=0) {
-    setCSregister(ALLMOD);
-    initChipWithProbes(0, ow,value, ALLMOD);
-    putout("0000000000000000",ALLMOD);
-    setNMod(nm);
-    getDynamicRange(); // needed to change dataBytes
-  }
-  return getProbes();
+  return 0;
 }
 
 
@@ -1068,15 +1039,7 @@ int loadImage(int index, short int ImageVals[]){
 
 
 int64_t getProbes(){
-  u_int32_t shiftin=bus_r(GET_SHIFT_IN_REG);
-  u_int32_t np=(shiftin >>PROBES_OFF) & PROBES_MASK;
-#ifdef VERYVERBOSE
-  printf("%08x ",shiftin);
-  printf("probes==%01x\n",np);
-#endif
-
-  return np;
-
+  return 0;
 }
 
 
diff --git a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
index ae3509ce5..0e1b245be 100755
--- a/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/gotthardDetectorServer/server_funcs.c
@@ -2121,7 +2121,8 @@ int set_timer(int file_des) {
 	retval=setGates(tns);
 	break;
       case PROBES_NUMBER: 
-	retval=setProbes(tns);
+    sprintf(mess,"can't set timer for gotthard\n");
+    ret=FAIL;
 	break;
       case CYCLES_NUMBER: 
 	retval=setTrains(tns);
@@ -2142,7 +2143,6 @@ int set_timer(int file_des) {
   if (ret!=OK) {
     printf(mess);
     printf("set timer failed\n");
-    sprintf(mess, "set timer %d failed\n", ind);
   } else if (ind==FRAME_NUMBER) {
     ret=allocateRAM();
     if (ret!=OK) 
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index 618e78a3f..b13a51359 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -3385,6 +3385,8 @@ int64_t slsDetector::setTimer(timerIndex index, int64_t t){
       //std::cout<< "offline " << std::endl;
       if (t>=0)
 	thisDetector->timerValue[index]=t;
+      if(thisDetector->myDetectorType==GOTTHARD)
+    	  thisDetector->timerValue[PROBES_NUMBER]=0;
     }
   } else {
     if (t>=0)
@@ -3393,17 +3395,15 @@ int64_t slsDetector::setTimer(timerIndex index, int64_t t){
 #ifdef VERBOSE
   std::cout<< "Timer " << index << " set to  "<< thisDetector->timerValue[index] << "ns"  << std::endl;
 #endif
-  if (index==PROBES_NUMBER) {
+
+  if ((thisDetector->myDetectorType==MYTHEN)&&(index==PROBES_NUMBER)) {
     setDynamicRange();
     //cout << "Changing probes: data size = " << thisDetector->dataBytes <<endl;
   }
   
   /* set progress */
   if ((index==FRAME_NUMBER) || (index==CYCLES_NUMBER)) {
-
     setTotalProgress();
-
-
   }
 
   return thisDetector->timerValue[index];
@@ -3826,7 +3826,7 @@ int slsDetector::setDynamicRange(int n){
 	  updateDetector();
       }
     }
-  } else {
+  } else if(thisDetector->myDetectorType==MYTHEN){
     if (n>0)
       thisDetector->dynamicRange=n;
     retval=thisDetector->dynamicRange;