diff --git a/src/CHANGES.md b/src/CHANGES.md
index c81162ad..e55fc198 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -4,6 +4,8 @@
 * removed `delay` from ePaper
 * started improvements of `/system`
 * fix LEDs to check all configured inverters
+* send loop skip disabled inverters fix
+* print generated DTU SN to console
 
 ## 0.7.45 - 2023-08-29
 * change ePaper text to symbols PR #1131
diff --git a/src/app.cpp b/src/app.cpp
index 15fc432c..ca33a895 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -454,24 +454,26 @@ void app::tickSend(void) {
         int8_t maxLoop = MAX_NUM_INVERTERS;
         Inverter<> *iv = mSys.getInverterByPos(mSendLastIvId);
         do {
-            mSendLastIvId = ((MAX_NUM_INVERTERS - 1) == mSendLastIvId) ? 0 : mSendLastIvId + 1;
-            iv = mSys.getInverterByPos(mSendLastIvId);
-        } while ((NULL == iv) && ((maxLoop--) > 0));
+            do {
+                mSendLastIvId = ((MAX_NUM_INVERTERS - 1) == mSendLastIvId) ? 0 : mSendLastIvId + 1;
+                iv = mSys.getInverterByPos(mSendLastIvId);
+            } while ((NULL == iv) && ((maxLoop--) > 0));
+        } while((!iv->config->enabled) && (maxLoop > 0));
 
         if (NULL != iv) {
             if (iv->config->enabled) {
                 if(mConfig->nrf.enabled) {
-                if (iv->ivGen == IV_HM)
-                    mPayload.ivSend(iv);
-                else if(iv->ivGen == IV_MI)
-                    mMiPayload.ivSend(iv);
-            }
-            #if defined(ESP32)
-            if(mConfig->cmt.enabled) {
-                if((iv->ivGen == IV_HMS) || (iv->ivGen == IV_HMT))
-                    mHmsPayload.ivSend(iv);
-            }
-            #endif
+                    if (iv->ivGen == IV_HM)
+                        mPayload.ivSend(iv);
+                    else if(iv->ivGen == IV_MI)
+                        mMiPayload.ivSend(iv);
+                }
+                #if defined(ESP32)
+                if(mConfig->cmt.enabled) {
+                    if((iv->ivGen == IV_HMS) || (iv->ivGen == IV_HMT))
+                        mHmsPayload.ivSend(iv);
+                }
+                #endif
             }
         }
     } else {
diff --git a/src/hm/hmRadio.h b/src/hm/hmRadio.h
index 0b5feea5..ee037adb 100644
--- a/src/hm/hmRadio.h
+++ b/src/hm/hmRadio.h
@@ -32,7 +32,7 @@ class HmRadio {
     public:
         HmRadio() : mNrf24(CE_PIN, CS_PIN, SPI_SPEED) {
             if(mSerialDebug) {
-            DPRINT(DBG_VERBOSE, F("hmRadio.h : HmRadio():mNrf24(CE_PIN: "));
+                DPRINT(DBG_VERBOSE, F("hmRadio.h : HmRadio():mNrf24(CE_PIN: "));
                 DBGPRINT(String(CE_PIN));
                 DBGPRINT(F(", CS_PIN: "));
                 DBGPRINT(String(CS_PIN));
@@ -117,8 +117,9 @@ class HmRadio {
             if(mNrf24.isChipConnected()) {
                 DPRINTLN(DBG_INFO, F("Radio Config:"));
                 mNrf24.printPrettyDetails();
-            }
-            else
+                DPRINT(DBG_INFO, F("DTU_SN: 0x"));
+                DBGPRINTLN(String(DTU_RADIO_ID, HEX));
+            } else
                 DPRINTLN(DBG_WARN, F("WARNING! your NRF24 module can't be reached, check the wiring"));
         }