diff --git a/slsDetectorServers/ctbDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/ctbDetectorServer/slsDetectorFunctionList.c
index c93fce420..f2fd33164 100644
--- a/slsDetectorServers/ctbDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/ctbDetectorServer/slsDetectorFunctionList.c
@@ -2360,6 +2360,10 @@ void *start_timer(void *arg) {
 
 int stopStateMachine() {
     LOG(logINFORED, ("Stopping State Machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -2380,26 +2384,25 @@ int stopStateMachine() {
     bus_w(CONTROL_REG, bus_r(CONTROL_REG) | CONTROL_STP_ACQSTN_MSK);
     usleep(WAIT_TIME_US_STP_ACQ);
     bus_w(CONTROL_REG, bus_r(CONTROL_REG) & ~CONTROL_STP_ACQSTN_MSK);
-
     LOG(logINFO, ("Status Register: %08x\n", bus_r(STATUS_REG)));
 
     return OK;
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFOBLUE, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
         LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #endif
-    LOG(logDEBUG1, ("Getting status\n"));
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
 
     uint32_t retval = bus_r(STATUS_REG);
     LOG(logINFO, ("Status Register: %08x\n", retval));
diff --git a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
index 4358ec360..0a720b9c9 100644
--- a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
@@ -2219,7 +2219,11 @@ void *start_timer(void *arg) {
 #endif
 
 int stopStateMachine() {
-    LOG(logINFORED, ("Going to stop acquisition\n"));
+    LOG(logINFORED, ("Stopping state machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -2289,19 +2293,19 @@ int startReadOut() {
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFO, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
-        LOG(logINFO, ("Status: RUNNING...\n"));
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
+        LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #else
-
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
     int i = Feb_Control_AcquisitionInProgress();
     if (i == STATUS_ERROR) {
         LOG(logERROR, ("Status: ERROR reading status register\n"));
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
index 698402ab9..ffba4787f 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -2407,6 +2407,10 @@ void *start_timer(void *arg) {
 
 int stopStateMachine() {
     LOG(logINFORED, ("Stopping State Machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -2430,19 +2434,19 @@ int stopStateMachine() {
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFOBLUE, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
         LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #endif
-    LOG(logDEBUG1, ("Getting status\n"));
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
     uint32_t retval = bus_r(FLOW_STATUS_REG);
     LOG(logINFO, ("Status Register: %08x\n", retval));
 
diff --git a/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c
index 9c4fd075a..5eb44f2ca 100644
--- a/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthardDetectorServer/slsDetectorFunctionList.c
@@ -1635,6 +1635,10 @@ void *start_timer(void *arg) {
 
 int stopStateMachine() {
     LOG(logINFORED, ("Stopping State Machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -1669,20 +1673,19 @@ int stopStateMachine() {
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFOBLUE, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
         LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #endif
-    LOG(logDEBUG1, ("Getting status\n"));
-
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
     enum runStatus s = IDLE;
     u_int32_t retval = runState(logINFO);
 
diff --git a/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
index 9c38f9d6e..21758f076 100644
--- a/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/jungfrauDetectorServer/slsDetectorFunctionList.c
@@ -1829,6 +1829,10 @@ void *start_timer(void *arg) {
 
 int stopStateMachine() {
     LOG(logINFORED, ("Stopping State Machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -1855,20 +1859,19 @@ int stopStateMachine() {
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFOBLUE, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
         LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #endif
-    LOG(logDEBUG1, ("Getting status\n"));
-
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
     enum runStatus s;
     u_int32_t retval = bus_r(STATUS_REG);
     LOG(logINFO, ("Status Register: %08x\n", retval));
diff --git a/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c
index 1cdf449b4..94f6af61f 100644
--- a/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c
@@ -1992,6 +1992,10 @@ void *start_timer(void *arg) {
 
 int stopStateMachine() {
     LOG(logINFORED, ("Stopping State Machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -2019,20 +2023,19 @@ int stopStateMachine() {
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFOBLUE, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
         LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #endif
-    LOG(logDEBUG1, ("Getting status\n"));
-
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
     uint32_t retval = bus_r(STATUS_REG);
     LOG(logINFO, ("Status Register: %08x\n", retval));
 
diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
index 79b9a7679..f44d23b95 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
@@ -2102,6 +2102,10 @@ void *start_timer(void *arg) {
 
 int stopStateMachine() {
     LOG(logINFORED, ("Stopping State Machine\n"));
+    // if scan active, stop scan
+    if (sharedMemory_getScanStatus()) {
+        sharedMemory_setScanStop(1);
+    }
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
@@ -2125,19 +2129,19 @@ int stopStateMachine() {
 }
 
 enum runStatus getRunStatus() {
+    LOG(logDEBUG1, ("Getting status\n"));
 #ifdef VIRTUAL
-    if (!isControlServer) {
-        virtual_status = sharedMemory_getStatus();
-    }
-    if (virtual_status == 0) {
-        LOG(logINFOBLUE, ("Status: IDLE\n"));
-        return IDLE;
-    } else {
+    if (sharedMemory_getScanStatus() || sharedMemory_getStatus()) {
         LOG(logINFOBLUE, ("Status: RUNNING\n"));
         return RUNNING;
     }
+    LOG(logINFOBLUE, ("Status: IDLE\n"));
+    return IDLE;
 #endif
-    LOG(logDEBUG1, ("Getting status\n"));
+    if (sharedMemory_getScanStatus()) {
+        LOG(logINFOBLUE, ("Status: Scan RUNNING\n"));
+        return RUNNING;
+    }
     uint32_t retval = bus_r(FLOW_STATUS_REG);
     LOG(logINFO, ("Status Register: %08x\n", retval));
 
diff --git a/slsDetectorServers/slsDetectorServer/include/sharedMemory.h b/slsDetectorServers/slsDetectorServer/include/sharedMemory.h
index 4f2ce14eb..0276ea88f 100644
--- a/slsDetectorServers/slsDetectorServer/include/sharedMemory.h
+++ b/slsDetectorServers/slsDetectorServer/include/sharedMemory.h
@@ -12,8 +12,13 @@ int sharedMemory_detach();
 int sharedMemory_remove();
 void sharedMemory_lock();
 void sharedMemory_unlock();
-
+#ifdef VIRTUAL
 void sharedMemory_setStatus(int s);
 int sharedMemory_getStatus();
 void sharedMemory_setStop(int s);
 int sharedMemory_getStop();
+#endif
+void sharedMemory_setScanStatus(int s);
+int sharedMemory_getScanStatus();
+void sharedMemory_setScanStop(int s);
+int sharedMemory_getScanStop();
\ No newline at end of file
diff --git a/slsDetectorServers/slsDetectorServer/src/sharedMemory.c b/slsDetectorServers/slsDetectorServer/src/sharedMemory.c
index d226f96ce..0612bd8d9 100644
--- a/slsDetectorServers/slsDetectorServer/src/sharedMemory.c
+++ b/slsDetectorServers/slsDetectorServer/src/sharedMemory.c
@@ -20,6 +20,8 @@
 typedef struct Memory {
     int version;
     sem_t sem;
+    int scanStatus;
+    int scanStop;
 #ifdef VIRTUAL
     int status;
     int stop;
@@ -139,6 +141,7 @@ void sharedMemory_lock() { sem_wait(&(shm->sem)); }
 
 void sharedMemory_unlock() { sem_post(&(shm->sem)); }
 
+#ifdef VIRTUAL
 void sharedMemory_setStatus(int s) {
     sharedMemory_lock();
     shm->status = s;
@@ -166,3 +169,32 @@ int sharedMemory_getStop() {
     sharedMemory_unlock();
     return s;
 }
+#endif
+
+void sharedMemory_setScanStatus(int s) {
+    sharedMemory_lock();
+    shm->scanStatus = s;
+    sharedMemory_unlock();
+}
+
+int sharedMemory_getScanStatus() {
+    int s = 0;
+    sharedMemory_lock();
+    s = shm->scanStatus;
+    sharedMemory_unlock();
+    return s;
+}
+
+void sharedMemory_setScanStop(int s) {
+    sharedMemory_lock();
+    shm->scanStop = s;
+    sharedMemory_unlock();
+}
+
+int sharedMemory_getScanStop() {
+    int s = 0;
+    sharedMemory_lock();
+    s = shm->scanStop;
+    sharedMemory_unlock();
+    return s;
+}
\ No newline at end of file
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index d2b6c5d56..efc78f33c 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -1,6 +1,7 @@
 #include "slsDetectorServer_funcs.h"
 #include "clogger.h"
 #include "communication_funcs.h"
+#include "sharedMemory.h"
 #include "slsDetectorFunctionList.h"
 #include "sls_detector_funcs.h"
 
@@ -1725,10 +1726,19 @@ int start_state_machine(int blocking, int file_des) {
             LOG(logERROR, (mess));
         } else {
             int times = 1;
+            // start of scan
             if (scan) {
+                sharedMemory_setScanStop(0);
+                sharedMemory_setScanStatus(1);
                 times = numScanSteps;
             }
             for (int i = 0; i != times; ++i) {
+                // if scanstop
+                if (scan && sharedMemory_getScanStop()) {
+                    LOG(logINFORED, ("Scan stopped!\n"));
+                    sharedMemory_setScanStatus(0);
+                    break;
+                }
                 if (scanTrimbits) {
                     LOG(logINFOBLUE, ("Trimbits scan %d/%d: [%d]\n", i, times,
                                       scanSteps[i]));
@@ -1744,15 +1754,27 @@ int start_state_machine(int blocking, int file_des) {
                     int retval = getDAC(scanDac, 0);
                     if (abs(retval - scanSteps[i]) > 5) {
                         ret = FAIL;
-                        sprintf(mess, "Setting dac %d : wrote %d but read %d\n",
+                        sprintf(mess,
+                                "Could not scan. Setting dac %d : wrote %d but "
+                                "read %d\n",
                                 scanDac, scanSteps[i], scanSteps[i]);
                         LOG(logERROR, (mess));
+                        if (scan) {
+                            sharedMemory_setScanStatus(0);
+                        }
                         break;
                     }
                 } else {
                     LOG(logINFOBLUE, ("Normal Acquisition (not scan)\n"));
                 }
+                // if scanstop
+                if (scan && sharedMemory_getScanStop()) {
+                    LOG(logINFORED, ("Scan stopped!\n"));
+                    sharedMemory_setScanStatus(0);
+                    break;
+                }
                 ret = startStateMachine();
+                LOG(logDEBUG2, ("Starting Acquisition ret: %d\n", ret));
                 if (ret == FAIL) {
 #if defined(CHIPTESTBOARDD) || defined(MOENCHD) || defined(VIRTUAL)
                     sprintf(
@@ -1763,6 +1785,9 @@ int start_state_machine(int blocking, int file_des) {
                     sprintf(mess, "Could not start acquisition\n");
 #endif
                     LOG(logERROR, (mess));
+                    if (scan) {
+                        sharedMemory_setScanStatus(0);
+                    }
                     break;
                 }
                 // blocking or scan
@@ -1771,7 +1796,10 @@ int start_state_machine(int blocking, int file_des) {
                 }
             }
         }
-        LOG(logDEBUG2, ("Starting Acquisition ret: %d\n", ret));
+        // end of scan
+        if (scan) {
+            sharedMemory_setScanStatus(0);
+        }
     }
     return Server_SendResult(file_des, INT32, NULL, 0);
 }