diff --git a/python/src/detector.cpp b/python/src/detector.cpp
index 62b1a1ac2..1e7d97486 100644
--- a/python/src/detector.cpp
+++ b/python/src/detector.cpp
@@ -1278,6 +1278,10 @@ void init_det(py::module &m) {
         .def("savePattern",
              (void (Detector::*)(const std::string &)) & Detector::savePattern,
              py::arg())
+        .def("loadDefaultPattern",
+             (void (Detector::*)(sls::Positions)) &
+                 Detector::loadDefaultPattern,
+             py::arg() = Positions{})
         .def("getPatternIOControl",
              (Result<uint64_t>(Detector::*)(sls::Positions) const) &
                  Detector::getPatternIOControl,
diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index cf768432a..7cf7fdb85 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
index 11d586284..21f7baca1 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -409,9 +409,9 @@ void setupDetector() {
 
     // pll defines
     ALTERA_PLL_C10_SetDefines(REG_OFFSET, BASE_READOUT_PLL, BASE_SYSTEM_PLL,
-                              PLL_RESET_REG, PLL_RESET_REG,
-                              PLL_RESET_READOUT_MSK, PLL_RESET_SYSTEM_MSK,
-                              READOUT_PLL_VCO_FREQ_HZ, SYSTEM_PLL_VCO_FREQ_HZ);
+                              PLL_RESET_REG, PLL_RESET_READOUT_MSK,
+                              PLL_RESET_SYSTEM_MSK, READOUT_PLL_VCO_FREQ_HZ,
+                              SYSTEM_PLL_VCO_FREQ_HZ);
     ALTERA_PLL_C10_ResetPLL(READOUT_PLL);
     ALTERA_PLL_C10_ResetPLL(SYSTEM_PLL);
     // hv
diff --git a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
index a61c9c4ef..848edf248 100755
Binary files a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer and b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer differ
diff --git a/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c
index a0c28c797..1ea6275ed 100644
--- a/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/moenchDetectorServer/slsDetectorFunctionList.c
@@ -550,7 +550,9 @@ void setupDetector() {
         initError = FAIL;
     }
     setPipeline(ADC_CLK, DEFAULT_PIPELINE);
-    loadDefaultPattern(DEFAULT_PATTERN_FILE);
+    if (initError != FAIL) {
+        initError = loadDefaultPattern(DEFAULT_PATTERN_FILE, initErrorMessage);
+    }
     setSettings(DEFAULT_SETTINGS);
 
     setFrequency(RUN_CLK, DEFAULT_RUN_CLK);
diff --git a/slsDetectorServers/mythen3DetectorServer/RegisterDefs.h b/slsDetectorServers/mythen3DetectorServer/RegisterDefs.h
index 847d396e6..a07a24a50 100644
--- a/slsDetectorServers/mythen3DetectorServer/RegisterDefs.h
+++ b/slsDetectorServers/mythen3DetectorServer/RegisterDefs.h
@@ -103,7 +103,12 @@
 /* Look at me register, read only */
 #define LOOK_AT_ME_REG                  (0x05 * REG_OFFSET + BASE_CONTROL) // Not used in firmware or software, good to play with
 
-#define SYSTEM_STATUS_REG               (0x06 * REG_OFFSET + BASE_CONTROL) // Not used in software
+#define SYSTEM_STATUS_REG               (0x06 * REG_OFFSET + BASE_CONTROL) 
+
+#define SYSTEM_STATUS_R_PLL_LCKD_OFST   (1)
+#define SYSTEM_STATUS_R_PLL_LCKD_MSK    (0x00000001 << SYSTEM_STATUS_R_PLL_LCKD_OFST)
+#define SYSTEM_STATUS_RDO_PLL_LCKD_OFST (2)
+#define SYSTEM_STATUS_RDO_PLL_LCKD_MSK  (0x00000001 << SYSTEM_STATUS_RDO_PLL_LCKD_OFST)
 
 /* Config RW regiseter */
 #define CONFIG_REG                      (0x20 * REG_OFFSET + BASE_CONTROL)
@@ -483,6 +488,14 @@
 /* ASIC Readout Control registers
  * --------------------------------------------------*/
 
+/** ASIC Readout Status register */
+#define ASIC_RDO_STATUS_REG             (0x00 * REG_OFFSET + BASE_ASIC_RDO)
+
+#define ASIC_RDO_STATUS_BUSY_OFST       (1)
+#define ASIC_RDO_STATUS_BUSY_MSK        (0x00000001 << ASIC_RDO_STATUS_BUSY_OFST)
+
+
+/** ASIC Readout Res Storage Counter register */
 #define ASIC_RDO_CONFIG_REG             (0x01 * REG_OFFSET + BASE_ASIC_RDO)
 
 #define ASICRDO_CNFG_RESSTRG_LNGTH_OFST (0)
diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 88a1b2462..57a797219 100755
Binary files a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer and b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer differ
diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
index 44ac9ffbb..b4d7933b3 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
@@ -401,10 +401,11 @@ void setupDetector() {
 #endif
 
     // pll defines
-    ALTERA_PLL_C10_SetDefines(REG_OFFSET, BASE_READOUT_PLL, BASE_SYSTEM_PLL,
-                              PLL_RESET_REG, PLL_RESET_REG,
-                              PLL_RESET_READOUT_MSK, PLL_RESET_SYSTEM_MSK,
-                              READOUT_PLL_VCO_FREQ_HZ, SYSTEM_PLL_VCO_FREQ_HZ);
+    ALTERA_PLL_C10_SetDefines(
+        REG_OFFSET, BASE_READOUT_PLL, BASE_SYSTEM_PLL, PLL_RESET_REG,
+        PLL_RESET_READOUT_MSK, PLL_RESET_SYSTEM_MSK, SYSTEM_STATUS_REG,
+        SYSTEM_STATUS_RDO_PLL_LCKD_MSK, SYSTEM_STATUS_R_PLL_LCKD_MSK,
+        READOUT_PLL_VCO_FREQ_HZ, SYSTEM_PLL_VCO_FREQ_HZ);
     ALTERA_PLL_C10_ResetPLL(READOUT_PLL);
     ALTERA_PLL_C10_ResetPLL(SYSTEM_PLL);
     // hv
@@ -482,7 +483,9 @@ void setupDetector() {
     }
 
     powerChip(1);
-    loadDefaultPattern(DEFAULT_PATTERN_FILE);
+    if (initError != FAIL) {
+        initError = loadDefaultPattern(DEFAULT_PATTERN_FILE, initErrorMessage);
+    }
 }
 
 int setDefaultDacs() {
@@ -2420,8 +2423,12 @@ int startReadOut() {
 
     // start readout
     bus_w(CONTROL_REG, bus_r(CONTROL_REG) | CONTROL_STRT_READOUT_MSK);
-
     LOG(logINFO, ("Status Register: %08x\n", bus_r(STATUS_REG)));
+    usleep(1);
+    while (bus_r(ASIC_RDO_STATUS_REG) & ASIC_RDO_STATUS_BUSY_MSK) {
+        usleep(1);
+    }
+    LOG(logINFOBLUE, ("Readout done\n"));
     return OK;
 }
 
diff --git a/slsDetectorServers/slsDetectorServer/include/ALTERA_PLL_CYCLONE10.h b/slsDetectorServers/slsDetectorServer/include/ALTERA_PLL_CYCLONE10.h
index 85cd9a992..8044323ee 100644
--- a/slsDetectorServers/slsDetectorServer/include/ALTERA_PLL_CYCLONE10.h
+++ b/slsDetectorServers/slsDetectorServer/include/ALTERA_PLL_CYCLONE10.h
@@ -15,9 +15,13 @@
  * @param vcofreq1 vco frequency of pll 1
  */
 void ALTERA_PLL_C10_SetDefines(int regofst, uint32_t baseaddr0,
-                               uint32_t baseaddr1, uint32_t resetreg0,
-                               uint32_t resetreg1, uint32_t resetmsk0,
-                               uint32_t resetmsk1, int vcofreq0, int vcofreq1);
+                               uint32_t baseaddr1, uint32_t resetreg,
+                               uint32_t resetmsk0, uint32_t resetmsk1,
+#ifdef MYTHEN3D
+                               uint32_t statusreg, uint32_t statusmsk0,
+                               uint32_t statusmsk1,
+#endif
+                               int vcofreq0, int vcofreq1);
 
 /**
  * Get Max Clock Divider
diff --git a/slsDetectorServers/slsDetectorServer/include/readDefaultPattern.h b/slsDetectorServers/slsDetectorServer/include/readDefaultPattern.h
index b9ee36a17..a4b1d9c03 100644
--- a/slsDetectorServers/slsDetectorServer/include/readDefaultPattern.h
+++ b/slsDetectorServers/slsDetectorServer/include/readDefaultPattern.h
@@ -3,7 +3,7 @@
 #include <inttypes.h>
 #include <sys/types.h>
 
-int loadDefaultPattern(char *patFname);
+int loadDefaultPattern(char *patFname, char *errMessage);
 
 int default_writePatternWord(char *line, uint32_t addr, uint64_t word);
 
diff --git a/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h b/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
index 9994d255e..df44cd288 100644
--- a/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
+++ b/slsDetectorServers/slsDetectorServer/include/slsDetectorServer_funcs.h
@@ -243,4 +243,5 @@ int get_bursts_left(int);
 int start_readout(int);
 int set_default_dacs(int);
 int is_virtual(int);
-int get_pattern(int);
\ No newline at end of file
+int get_pattern(int);
+int load_default_pattern(int);
\ No newline at end of file
diff --git a/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c b/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c
index be52b46b8..12849f106 100644
--- a/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c
+++ b/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c
@@ -56,21 +56,35 @@
 int ALTERA_PLL_C10_Reg_offset = 0x0;
 const int ALTERA_PLL_C10_NUM = 2;
 uint32_t ALTERA_PLL_C10_BaseAddress[2] = {0x0, 0x0};
-uint32_t ALTERA_PLL_C10_Reset_Reg[2] = {0x0, 0x0};
+uint32_t ALTERA_PLL_C10_Reset_Reg = 0x0;
 uint32_t ALTERA_PLL_C10_Reset_Msk[2] = {0x0, 0x0};
+#ifdef MYTHEN3D
+uint32_t ALTERA_PLL_C10_Locked_Status_Reg = 0x0;
+uint32_t ALTERA_PLL_C10_Locked_Status_Msk[2] = {0x0, 0x0};
+#endif
 int ALTERA_PLL_C10_VCO_FREQ[2] = {0, 0};
 
 void ALTERA_PLL_C10_SetDefines(int regofst, uint32_t baseaddr0,
-                               uint32_t baseaddr1, uint32_t resetreg0,
-                               uint32_t resetreg1, uint32_t resetmsk0,
-                               uint32_t resetmsk1, int vcofreq0, int vcofreq1) {
+                               uint32_t baseaddr1, uint32_t resetreg,
+                               uint32_t resetmsk0, uint32_t resetmsk1,
+#ifdef MYTHEN3D
+                               uint32_t statusreg, uint32_t statusmsk0,
+                               uint32_t statusmsk1,
+#endif
+                               int vcofreq0, int vcofreq1) {
     ALTERA_PLL_C10_Reg_offset = regofst;
     ALTERA_PLL_C10_BaseAddress[0] = baseaddr0;
     ALTERA_PLL_C10_BaseAddress[1] = baseaddr1;
-    ALTERA_PLL_C10_Reset_Reg[0] = resetreg0;
-    ALTERA_PLL_C10_Reset_Reg[1] = resetreg1;
+    ALTERA_PLL_C10_Reset_Reg = resetreg;
     ALTERA_PLL_C10_Reset_Msk[0] = resetmsk0;
     ALTERA_PLL_C10_Reset_Msk[1] = resetmsk1;
+
+    // pll locked status reg and msk only used for m3 now
+#ifdef MYTHEN3D
+    ALTERA_PLL_C10_Locked_Status_Reg = statusreg;
+    ALTERA_PLL_C10_Locked_Status_Msk[0] = statusmsk0;
+    ALTERA_PLL_C10_Locked_Status_Msk[1] = statusmsk1;
+#endif
     ALTERA_PLL_C10_VCO_FREQ[0] = vcofreq0;
     ALTERA_PLL_C10_VCO_FREQ[1] = vcofreq1;
 }
@@ -98,12 +112,24 @@ void ALTERA_PLL_C10_Reconfigure(int pllIndex) {
 }
 
 void ALTERA_PLL_C10_ResetPLL(int pllIndex) {
-    uint32_t resetreg = ALTERA_PLL_C10_Reset_Reg[pllIndex];
+    uint32_t resetreg = ALTERA_PLL_C10_Reset_Reg;
     uint32_t resetmsk = ALTERA_PLL_C10_Reset_Msk[pllIndex];
     LOG(logINFO, ("Resetting PLL %d\n", pllIndex));
     bus_w_csp1(resetreg, bus_r_csp1(resetreg) | resetmsk);
-
     usleep(ALTERA_PLL_C10_WAIT_TIME_US);
+
+#ifndef VIRTUAL
+#ifdef MYTHEN3D
+    uint32_t statusreg = ALTERA_PLL_C10_Locked_Status_Reg;
+    uint32_t statusmsk = ALTERA_PLL_C10_Locked_Status_Msk[pllIndex];
+    // wait for pll locked bit to go high
+    while (!(bus_r(statusreg) & statusmsk)) {
+        usleep(ALTERA_PLL_C10_WAIT_TIME_US);
+        LOG(logWARNING, ("Still waiting for PLL %d recovery\n", pllIndex));
+    }
+    LOG(logINFO, ("Reset success for PLL %d\n", pllIndex));
+#endif
+#endif
 }
 
 void ALTERA_PLL_C10_SetPhaseShift(int pllIndex, int clkIndex, int phase,
diff --git a/slsDetectorServers/slsDetectorServer/src/readDefaultPattern.c b/slsDetectorServers/slsDetectorServer/src/readDefaultPattern.c
index 63064fa7e..ab731062a 100644
--- a/slsDetectorServers/slsDetectorServer/src/readDefaultPattern.c
+++ b/slsDetectorServers/slsDetectorServer/src/readDefaultPattern.c
@@ -8,7 +8,6 @@
 #include <string.h>
 
 extern char initErrorMessage[MAX_STR_LENGTH];
-extern int initError;
 
 #ifndef MYTHEN3D
 extern uint64_t writePatternIOControl(uint64_t word);
@@ -19,11 +18,7 @@ extern uint64_t setPatternWaitTime(int level, uint64_t t);
 extern void setPatternLoop(int level, int *startAddr, int *stopAddr,
                            int *nLoop);
 
-int loadDefaultPattern(char *patFname) {
-    if (initError == FAIL) {
-        return initError;
-    }
-
+int loadDefaultPattern(char *patFname, char *errMessage) {
     char fname[128];
     if (getAbsPath(fname, 128, patFname) == FAIL) {
         return FAIL;
@@ -32,10 +27,8 @@ int loadDefaultPattern(char *patFname) {
     // open config file
     FILE *fd = fopen(fname, "r");
     if (fd == NULL) {
-        sprintf(initErrorMessage, "Could not open pattern file [%s].\n",
-                patFname);
-        initError = FAIL;
-        LOG(logERROR, ("%s\n\n", initErrorMessage));
+        sprintf(errMessage, "Could not open pattern file [%s].\n", patFname);
+        LOG(logERROR, ("%s\n\n", errMessage));
         return FAIL;
     }
     LOG(logINFOBLUE, ("Reading default pattern file %s\n", patFname));
@@ -100,7 +93,7 @@ int loadDefaultPattern(char *patFname) {
 #else
             if (sscanf(line, "%s 0x%x 0x%llx", command, &addr, &word) != 3) {
 #endif
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patword arguments from default "
                         "pattern file. Line:[%s].\n",
                         line);
@@ -123,7 +116,7 @@ int loadDefaultPattern(char *patFname) {
 #else
             if (sscanf(line, "%s 0x%llx", command, &arg) != 2) {
 #endif
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patioctrl arguments from default "
                         "pattern file. Line:[%s].\n",
                         line);
@@ -144,7 +137,7 @@ int loadDefaultPattern(char *patFname) {
             // cannot scan values
             if (sscanf(line, "%s 0x%x 0x%x", command, &startAddr, &stopAddr) !=
                 3) {
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patlimits arguments from default "
                         "pattern file. Line:[%s].\n",
                         line);
@@ -177,7 +170,7 @@ int loadDefaultPattern(char *patFname) {
             // cannot scan values
             if (sscanf(line, "%s 0x%x 0x%x", command, &startAddr, &stopAddr) !=
                 3) {
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patloop%d arguments from default "
                         "pattern file. Line:[%s].\n",
                         level, line);
@@ -208,7 +201,7 @@ int loadDefaultPattern(char *patFname) {
             int numLoops = -1;
             // cannot scan values
             if (sscanf(line, "%s %d", command, &numLoops) != 2) {
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patnloop%d arguments from default "
                         "pattern file. Line:[%s].\n",
                         level, line);
@@ -238,7 +231,7 @@ int loadDefaultPattern(char *patFname) {
             uint32_t addr = 0;
             // cannot scan values
             if (sscanf(line, "%s 0x%x", command, &addr) != 2) {
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patwait%d arguments from default "
                         "pattern file. Line:[%s].\n",
                         level, line);
@@ -273,7 +266,7 @@ int loadDefaultPattern(char *patFname) {
 #else
             if (sscanf(line, "%s %lld", command, &waittime) != 2) {
 #endif
-                sprintf(initErrorMessage,
+                sprintf(errMessage,
                         "Could not scan patwaittime%d arguments from default "
                         "pattern file. Line:[%s].\n",
                         level, line);
@@ -289,13 +282,12 @@ int loadDefaultPattern(char *patFname) {
     }
     fclose(fd);
 
-    if (strlen(initErrorMessage)) {
-        initError = FAIL;
-        LOG(logERROR, ("%s\n\n", initErrorMessage));
-    } else {
-        LOG(logINFOBLUE, ("Successfully read default pattern file\n"));
+    if (strlen(errMessage)) {
+        LOG(logERROR, ("%s\n\n", errMessage));
+        return FAIL;
     }
-    return initError;
+    LOG(logINFOBLUE, ("Successfully read default pattern file\n"));
+    return OK;
 }
 
 int default_writePatternWord(char *line, uint32_t addr, uint64_t word) {
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index 0d9e7fa42..25c3e85c4 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -366,6 +366,7 @@ void function_table() {
     flist[F_SET_DEFAULT_DACS] = &set_default_dacs;
     flist[F_IS_VIRTUAL] = &is_virtual;
     flist[F_GET_PATTERN] = &get_pattern;
+    flist[F_LOAD_DEFAULT_PATTERN] = &load_default_pattern;
 
     // check
     if (NUM_DET_FUNCTIONS >= RECEIVER_ENUM_START) {
@@ -8297,3 +8298,20 @@ int is_virtual(int file_des) {
     LOG(logDEBUG1, ("is virtual retval: %d\n", retval));
     return Server_SendResult(file_des, INT32, &retval, sizeof(retval));
 }
+
+int load_default_pattern(int file_des) {
+    ret = OK;
+    memset(mess, 0, sizeof(mess));
+
+#if !defined(MYTHEN3D) && !defined(MOENCHD)
+    functionNotImplemented();
+#else
+    if (Server_VerifyLock() == OK) {
+        ret = loadDefaultPattern(DEFAULT_PATTERN_FILE, mess);
+        if (ret == FAIL) {
+            LOG(logERROR, (mess));
+        }
+    }
+#endif
+    return Server_SendResult(file_des, INT32, NULL, 0);
+}
\ No newline at end of file
diff --git a/slsDetectorSoftware/include/sls/Detector.h b/slsDetectorSoftware/include/sls/Detector.h
index 1cc1e173a..937fc1777 100644
--- a/slsDetectorSoftware/include/sls/Detector.h
+++ b/slsDetectorSoftware/include/sls/Detector.h
@@ -1,8 +1,8 @@
 #pragma once
+#include "sls/Pattern.h"
 #include "sls/Result.h"
 #include "sls/network_utils.h"
 #include "sls/sls_detector_defs.h"
-#include "sls/Pattern.h"
 #include <chrono>
 #include <map>
 #include <memory>
@@ -16,7 +16,6 @@ class DetectorImpl;
 class MacAddr;
 class IpAddr;
 
-
 // Free function to avoid dependence on class
 // and avoid the option to free another objects
 // shm by mistake
@@ -1461,12 +1460,15 @@ class Detector {
 
     /** [CTB][Moench][Mythen3]  Loads pattern parameters structure directly to
      * server */
-    void setPattern(const Pattern& pat, Positions pos = {});
+    void setPattern(const Pattern &pat, Positions pos = {});
 
     /** [CTB][Moench][Mythen3] [Ctb][Moench][Mythen3] Saves pattern to file
      * (ascii). \n [Ctb][Moench] Also executes pattern.*/
     void savePattern(const std::string &fname);
 
+    /** [Mythen3][Moench] Loads and runs default pattern */
+    void loadDefaultPattern(Positions pos = {});
+
     /** [CTB][Moench] */
     Result<uint64_t> getPatternIOControl(Positions pos = {}) const;
 
diff --git a/slsDetectorSoftware/src/CmdProxy.h b/slsDetectorSoftware/src/CmdProxy.h
index f95a1b717..4629f64a6 100644
--- a/slsDetectorSoftware/src/CmdProxy.h
+++ b/slsDetectorSoftware/src/CmdProxy.h
@@ -1014,6 +1014,7 @@ class CmdProxy {
         /* Pattern */
         {"pattern", &CmdProxy::Pattern},
         {"savepattern", &CmdProxy::savepattern},
+        {"defaultpattern", &CmdProxy::defaultpattern},
         {"patioctrl", &CmdProxy::patioctrl},
         {"patword", &CmdProxy::PatternWord},
         {"patlimits", &CmdProxy::PatternLoopAddresses},
@@ -2063,6 +2064,11 @@ class CmdProxy {
         "[fname]\n\t[Ctb][Moench][Mythen3] Saves pattern to file (ascii). "
         "\n\t[Ctb][Moench] Also executes pattern.");
 
+    EXECUTE_SET_COMMAND(
+        defaultpattern, loadDefaultPattern,
+        "\n\t[Mythen3][Moench] Loads and runs default pattern in pattern "
+        "generator. It is to go back to initial settings.");
+
     INTEGER_COMMAND_HEX_WIDTH16(patioctrl, getPatternIOControl,
                                 setPatternIOControl, StringTo<uint64_t>,
                                 "[64 bit mask]\n\t[Ctb][Moench] 64 bit mask "
diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index 04ae3aa6b..2e98dcfe2 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -1754,13 +1754,6 @@ void Detector::setLEDEnable(bool enable, Positions pos) {
 
 // Pattern
 
-void Detector::savePattern(const std::string &fname) {
-    auto t = pimpl->Parallel(&Module::getPattern, {});
-    auto pat = t.tsquash("Inconsistent pattern parameters between modules");
-    pat.validate();
-    pat.save(fname);
-}
-
 void Detector::setPattern(const std::string &fname, Positions pos) {
     Pattern pat;
     pat.load(fname);
@@ -1773,6 +1766,17 @@ void Detector::setPattern(const Pattern &pat, Positions pos) {
     pimpl->Parallel(&Module::setPattern, pos, pat);
 }
 
+void Detector::savePattern(const std::string &fname) {
+    auto t = pimpl->Parallel(&Module::getPattern, {});
+    auto pat = t.tsquash("Inconsistent pattern parameters between modules");
+    pat.validate();
+    pat.save(fname);
+}
+
+void Detector::loadDefaultPattern(Positions pos) {
+    pimpl->Parallel(&Module::loadDefaultPattern, pos);
+}
+
 Result<uint64_t> Detector::getPatternIOControl(Positions pos) const {
     return pimpl->Parallel(&Module::getPatternIOControl, pos);
 }
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index 5208e0a31..fbdf8d4f6 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -1923,6 +1923,8 @@ Pattern Module::getPattern() {
     return pat;
 }
 
+void Module::loadDefaultPattern() { sendToDetector(F_LOAD_DEFAULT_PATTERN); }
+
 uint64_t Module::getPatternIOControl() const {
     return sendToDetector<uint64_t>(F_SET_PATTERN_IO_CONTROL,
                                     int64_t(GET_FLAG));
diff --git a/slsDetectorSoftware/src/Module.h b/slsDetectorSoftware/src/Module.h
index 6916b9329..ac8bab7c6 100644
--- a/slsDetectorSoftware/src/Module.h
+++ b/slsDetectorSoftware/src/Module.h
@@ -1,11 +1,11 @@
 #pragma once
 #include "SharedMemory.h"
 #include "sls/ClientSocket.h"
+#include "sls/Pattern.h"
 #include "sls/StaticVector.h"
 #include "sls/logger.h"
 #include "sls/network_utils.h"
 #include "sls/sls_detector_defs.h"
-#include "sls/Pattern.h"
 
 #include <array>
 #include <cmath>
@@ -463,8 +463,9 @@ class Module : public virtual slsDetectorDefs {
      *    Pattern                                     *
      *                                                *
      * ************************************************/
-    void setPattern(const Pattern& pat);
+    void setPattern(const Pattern &pat);
     Pattern getPattern();
+    void loadDefaultPattern();
     uint64_t getPatternIOControl() const;
     void setPatternIOControl(uint64_t word);
     uint64_t getPatternWord(int addr) const;
diff --git a/slsDetectorSoftware/tests/test-CmdProxy-pattern.cpp b/slsDetectorSoftware/tests/test-CmdProxy-pattern.cpp
index 7e504711c..1f7d4db45 100644
--- a/slsDetectorSoftware/tests/test-CmdProxy-pattern.cpp
+++ b/slsDetectorSoftware/tests/test-CmdProxy-pattern.cpp
@@ -46,6 +46,19 @@ TEST_CASE("savepattern", "[.cmd]") {
     }
 }
 
+TEST_CASE("defaultpattern", "[.cmd]") {
+    Detector det;
+    CmdProxy proxy(&det);
+    auto det_type = det.getDetectorType().squash();
+    if (det_type == defs::MOENCH || det_type == defs::MYTHEN3) {
+        REQUIRE_THROWS(proxy.Call("defaultpattern", {}, -1, GET));
+        REQUIRE_NOTHROW(proxy.Call("defaultpattern", {}, -1, PUT));
+    } else {
+        REQUIRE_THROWS(proxy.Call("defaultpattern", {}, -1, GET));
+        REQUIRE_NOTHROW(proxy.Call("defaultpattern", {}, -1, PUT));
+    }
+}
+
 TEST_CASE("patioctrl", "[.cmd]") {
     Detector det;
     CmdProxy proxy(&det);
diff --git a/slsSupportLib/include/sls/sls_detector_funcs.h b/slsSupportLib/include/sls/sls_detector_funcs.h
index 693705d99..3adb889d8 100755
--- a/slsSupportLib/include/sls/sls_detector_funcs.h
+++ b/slsSupportLib/include/sls/sls_detector_funcs.h
@@ -218,6 +218,7 @@ enum detFuncs {
     F_SET_DEFAULT_DACS,
     F_IS_VIRTUAL,
     F_GET_PATTERN,
+    F_LOAD_DEFAULT_PATTERN,
 
     NUM_DET_FUNCTIONS,
     RECEIVER_ENUM_START = 256, /**< detector function should not exceed this
@@ -541,6 +542,7 @@ const char* getFunctionNameFromEnum(enum detFuncs func) {
     case F_SET_DEFAULT_DACS:                return "F_SET_DEFAULT_DACS";
     case F_IS_VIRTUAL:                      return "F_IS_VIRTUAL";
     case F_GET_PATTERN:                     return "F_GET_PATTERN";
+    case F_LOAD_DEFAULT_PATTERN:            return "F_LOAD_DEFAULT_PATTERN";
     
     case NUM_DET_FUNCTIONS:              	return "NUM_DET_FUNCTIONS";
     case RECEIVER_ENUM_START:				return "RECEIVER_ENUM_START";
diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index 86ca97011..0293a247a 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -5,8 +5,8 @@
 #define APIGUI 0x201119
 #define APICTB 0x201130
 #define APIGOTTHARD 0x201130
-#define APIGOTTHARD2 0x201130
 #define APIJUNGFRAU 0x201130
-#define APIMYTHEN3 0x201130
-#define APIMOENCH 0x201130
 #define APIEIGER 0x201130
+#define APIGOTTHARD2 0x201208
+#define APIMOENCH 0x201207
+#define APIMYTHEN3 0x201209