diff --git a/RELEASE.txt b/RELEASE.txt
index 53bba4413..f1f76ed44 100644
--- a/RELEASE.txt
+++ b/RELEASE.txt
@@ -172,6 +172,16 @@ This document describes the differences between v8.0.0 and v7.0.3
         -   Rearranging digital data when dbit list less than 64 bits fixed.
 
 
+    Client
+    ------
+
+    *   [Jungfrau][Mythen3][Gotthard2] Sync mode should have at least one master
+        Multi module synced detectors should have at least one master when 
+        starting acquisition, else it will throw. Once master is done acquiring
+        (blocking mode), status of all modules checked to ensure none of the 
+        slaves in waiting due to hardware issues such as cabling.
+
+
 
 2.3 New Features
 ================
diff --git a/docs/src/troubleshooting.rst b/docs/src/troubleshooting.rst
index 164886f67..ee8904404 100644
--- a/docs/src/troubleshooting.rst
+++ b/docs/src/troubleshooting.rst
@@ -92,6 +92,9 @@ Common
             sls_detector_put rx_arping 1
 
 
+#. Only the slaves get no data 
+    * Check trigger cabling and trigger configuration
+    * When you cannot stop Jungfrau slaves in sync mode, refer to :ref:`Cannot stop slaves<Jungfrau Troubleshooting Sync Slaves Cannot Stop>`.
 
 .. _Receiver PC Tuning:
 
@@ -421,3 +424,19 @@ Cannot get multi module data
     * Comment out this line in the config file: powerchip 1
     * Powering on the chip increases the power consumption by a considerable amount. If commenting out this line aids in getting data (strange data due to powered off chip), then it could be the power supply current limit. Fix it (possibly to 8A current limit) and uncomment the powerchip line back in config file.
 
+
+
+.. _Jungfrau Troubleshooting Sync Slaves Cannot Stop:
+
+Cannot stop slaves in sync mode
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+#. If cabling is accessible, ensure termination board and flatband cable between the masters and the slaves are connnected properly. Then try to stop.
+#. If cabling is inaccessible, unsync first so that the slaves can get the stop directly from the client using the command. Then, don't use sync mode until the cabling is fixed.
+    .. code-block:: bash
+        
+        # unsync, slaves command will fail as it is still in waiting state
+        sls_detector_put sync 0
+
+        # stop should now be successful as master does not determine the stop anymore
+        sls_detector_put stop
diff --git a/python/slsdet/detector.py b/python/slsdet/detector.py
index 95e3593cc..36c5ed0cd 100755
--- a/python/slsdet/detector.py
+++ b/python/slsdet/detector.py
@@ -1673,6 +1673,11 @@ class Detector(CppDetectorApi):
     def sync(self):
         """
         [Jungfrau][Moench] Enables or disables synchronization between modules.
+
+        Note
+        ----
+        Sync mode requires at least one master configured. Also requires flatband cabling between master and slave with termination board.
+
         """
         return self.getSynchronization()
 
diff --git a/slsDetectorSoftware/include/sls/Detector.h b/slsDetectorSoftware/include/sls/Detector.h
index 09c15f6cd..7467789aa 100644
--- a/slsDetectorSoftware/include/sls/Detector.h
+++ b/slsDetectorSoftware/include/sls/Detector.h
@@ -216,7 +216,10 @@ class Detector {
     /** [Jungfrau][Moench] **/
     Result<bool> getSynchronization(Positions pos = {}) const;
 
-    /** [Jungfrau][Moench]  */
+    /** [Jungfrau][Moench]  Sync mode requires at least one master configured.
+       Also requires flatband cabling between master and slave with
+       termination board.
+     */
     void setSynchronization(bool value);
 
     /** [Gotthard2][Mythen3] */
diff --git a/slsDetectorSoftware/src/CmdProxy.h b/slsDetectorSoftware/src/CmdProxy.h
index f53cd6407..60f3454c0 100644
--- a/slsDetectorSoftware/src/CmdProxy.h
+++ b/slsDetectorSoftware/src/CmdProxy.h
@@ -1543,7 +1543,9 @@ class CmdProxy {
     INTEGER_COMMAND_SET_NOID_GET_ID(
         sync, getSynchronization, setSynchronization, StringTo<int>,
         "[0, 1]\n\t[Jungfrau][Moench] Enables or disables "
-        "synchronization between modules.");
+        "synchronization between modules. Sync mode requires at least one "
+        "master configured. Also requires flatband cabling between master and "
+        "slave with termination board.");
 
     INTEGER_COMMAND_VEC_ID(row, getRow, setRow, StringTo<int>,
                            "[value]\n\tSet Detector row (udp header) to value. "
diff --git a/slsDetectorSoftware/src/DetectorImpl.cpp b/slsDetectorSoftware/src/DetectorImpl.cpp
index 2db04f1f2..c40c163fc 100644
--- a/slsDetectorSoftware/src/DetectorImpl.cpp
+++ b/slsDetectorSoftware/src/DetectorImpl.cpp
@@ -1309,13 +1309,24 @@ void DetectorImpl::startAcquisition(const bool blocking, Positions pos) {
         std::vector<int> masters;
         std::vector<int> slaves;
         getMasterSlaveList(pos, masters, slaves);
+        if (masters.empty()) {
+            throw RuntimeError("Cannot start acquisition in sync mode. No "
+                               "master module found");
+        }
         if (!slaves.empty()) {
             Parallel(&Module::startAcquisition, slaves);
         }
-        if (!masters.empty()) {
-            Parallel((blocking ? &Module::startAndReadAll
-                               : &Module::startAcquisition),
-                     masters);
+        if (blocking) {
+            Parallel(&Module::startAndReadAll, masters);
+            // ensure all status normal (slaves not blocking)
+            // to catch those slaves that are still 'waiting'
+            auto status = Parallel(&Module::getRunStatus, pos);
+            if (!status.contains_only(IDLE, STOPPED, RUN_FINISHED)) {
+                throw RuntimeError("Acquisition not successful. "
+                                   "Unexpected detector status");
+            }
+        } else {
+            Parallel(&Module::startAcquisition, masters);
         }
     }
     // all in parallel