diff --git a/src/defines.h b/src/defines.h
index 3a85392f..4c4a77d8 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       8
-#define VERSION_PATCH       2716
+#define VERSION_PATCH       2720
 
 //-------------------------------------
 typedef struct {
diff --git a/src/hm/Communication.h b/src/hm/Communication.h
index b5b1aa66..8b6550cc 100644
--- a/src/hm/Communication.h
+++ b/src/hm/Communication.h
@@ -488,8 +488,10 @@ class Communication : public CommQueue<> {
             record_t<> *rec = q->iv->getRecordStruct(q->cmd);
             if(NULL == rec) {
                 if(GetLossRate == q->cmd) {
-                    q->iv->parseGetLossRate(q->iv->id, mPayload, len);
-                    closeRequest(q, true);
+                    //q->iv->parseGetLossRate(q->iv->id, mPayload, len);
+                    q->iv->parseGetLossRate(mPayload, len);
+                    //closeRequest(q, true);
+                    return;
                 } else {
                     DPRINTLN(DBG_ERROR, F("record is NULL!"));
                     closeRequest(q, false);
diff --git a/src/hm/hmInverter.h b/src/hm/hmInverter.h
index 0a369802..474d97bb 100644
--- a/src/hm/hmInverter.h
+++ b/src/hm/hmInverter.h
@@ -175,6 +175,10 @@ class Inverter {
             mIsSingleframeReq  = false;
             radio              = NULL;
             commEnabled        = true;
+            mIvRxCnt           = 0;
+            mIvTxCnt           = 0;
+            mDtuRxCnt          = 0;
+            mDtuTxCnt          = 0;
 
             memset(&radioStatistics, 0, sizeof(statistics_t));
             memset(heuristics.txRfQuality, -6, 5);
@@ -601,18 +605,21 @@ class Inverter {
             memset(mLastYD, 0, sizeof(float) * 6);
         }
 
-        bool parseGetLossRate(uint8_t id, uint8_t pyld[], uint8_t len) {
+        //bool parseGetLossRate(uint8_t id, uint8_t pyld[], uint8_t len) {
+        bool parseGetLossRate(uint8_t pyld[], uint8_t len) {
             if (len == HMGETLOSSRATE_PAYLOAD_LEN) {
                 uint16_t rxCnt = (pyld[0] << 8) + pyld[1];
                 uint16_t txCnt = (pyld[2] << 8) + pyld[3];
 
                 if (mIvRxCnt || mIvTxCnt) {   // there was successful GetLossRate in the past
                     DPRINT_IVID(DBG_INFO, id);
-                    DBGPRINTLN("Inv loss: " + String (mDtuTxCnt - (rxCnt - mIvRxCnt)) + " of " +
+                    DBGPRINTLN("Inv loss: " +
+                        String (mDtuTxCnt - (rxCnt - mIvRxCnt)) + " of " +
                         String (mDtuTxCnt) + ", DTU loss: " +
                         String (txCnt - mIvTxCnt - mDtuRxCnt) + " of " +
                         String (txCnt - mIvTxCnt));
                 }
+
                 mIvRxCnt = rxCnt;
                 mIvTxCnt = txCnt;
                 mDtuRxCnt = 0;  // start new interval
diff --git a/src/hm/hmRadio.h b/src/hm/hmRadio.h
index f8a1257d..e175c4dd 100644
--- a/src/hm/hmRadio.h
+++ b/src/hm/hmRadio.h
@@ -130,10 +130,12 @@ class HmRadio : public Radio {
             //mRxChannels - 1; //
             //(mTxChIdx + mRxChannels) % RF_MAX_CHANNEL_ID; // start with a fixed offset
             bool switchch = true;
+            uint8_t looprounds = 0;
             while ((millis() - loopMillis) < mRxTmoOuterLoop) {
                 while ((micros() - startMicros) < mRxTmoInnerLoop) {  // listen (4088us or?) 5110us to each channel
                     if (mIrqRcvd) {
                         mIrqRcvd = false;
+                        mLastIv->mRxChanSync = false; //reset
 
                         if (getReceived()) { // everything received
                             return;
@@ -142,10 +144,22 @@ class HmRadio : public Radio {
                     yield();
                 }
                 // switch to next RX channel
+                bool chgchan = true;
                 /*if (mLastIv->mRxChanSync) {
-                    switchch = !switchch;
-                    mRxChIdx = mLastIv->mRxChanIdx - switchch;
+                    if (!looprounds) {
+                        mRxChIdx = mLastIv->mRxChanIdx - switchch;
+
+                    } else if (++looprounds > 9) {
+                        looprounds = 0;
+                        switchch = !switchch;
+                        mRxChIdx = mLastIv->mRxChanIdx - switchch;
+                        if(switchch)
+                            mLastIv->mRxChanSync = false; // we didn't receive st. timely on this channel
+                    } else
+                        chgchan = false;
                 }*/
+
+                if(chgchan) {
                 if(++mRxChIdx >= RF_CHANNELS)
                     mRxChIdx = 0;
 
@@ -157,6 +171,7 @@ class HmRadio : public Radio {
 
                 mNrf24->setChannel(mRfChLst[mRxChIdx]);
                 //mNrf24->setChannel(mRfChLst[nextRxCh]);
+                }
                 startMicros = micros();
             }
             // not finished but time is over