diff --git a/tasmota/xdrv_03_energy.ino b/tasmota/xdrv_03_energy.ino
index 71638bc15..1e9a50fc7 100644
--- a/tasmota/xdrv_03_energy.ino
+++ b/tasmota/xdrv_03_energy.ino
@@ -510,30 +510,32 @@ void EnergyEverySecond(void)
   }
 
   // Invalid data reset
-  uint32_t data_valid = Energy.phase_count;
-  for (uint32_t i = 0; i < Energy.phase_count; i++) {
-    if (Energy.data_valid[i] <= ENERGY_WATCHDOG) {
-      Energy.data_valid[i]++;
-      if (Energy.data_valid[i] > ENERGY_WATCHDOG) {
-        // Reset energy registers
-        Energy.voltage[i] = 0;
-        Energy.current[i] = 0;
-        Energy.active_power[i] = 0;
-        if (!isnan(Energy.apparent_power[i])) { Energy.apparent_power[i] = 0; }
-        if (!isnan(Energy.reactive_power[i])) { Energy.reactive_power[i] = 0; }
-        if (!isnan(Energy.frequency[i])) { Energy.frequency[i] = 0; }
-        if (!isnan(Energy.power_factor[i])) { Energy.power_factor[i] = 0; }
-        if (!isnan(Energy.export_active[i])) { Energy.export_active[i] = 0; }
+  if (TasmotaGlobal.uptime > 3) {
+    uint32_t data_valid = Energy.phase_count;
+    for (uint32_t i = 0; i < Energy.phase_count; i++) {
+      if (Energy.data_valid[i] <= ENERGY_WATCHDOG) {
+        Energy.data_valid[i]++;
+        if (Energy.data_valid[i] > ENERGY_WATCHDOG) {
+          // Reset energy registers
+          Energy.voltage[i] = 0;
+          Energy.current[i] = 0;
+          Energy.active_power[i] = 0;
+          if (!isnan(Energy.apparent_power[i])) { Energy.apparent_power[i] = 0; }
+          if (!isnan(Energy.reactive_power[i])) { Energy.reactive_power[i] = 0; }
+          if (!isnan(Energy.frequency[i])) { Energy.frequency[i] = 0; }
+          if (!isnan(Energy.power_factor[i])) { Energy.power_factor[i] = 0; }
+          if (!isnan(Energy.export_active[i])) { Energy.export_active[i] = 0; }
 
-        data_valid--;
+          data_valid--;
+        }
       }
     }
-  }
-  if (!data_valid) {
-    //Energy.start_energy = 0;
-    AddLog(LOG_LEVEL_DEBUG, PSTR("NRG: Energy reset by " STR(ENERGY_WATCHDOG) " seconds invalid data"));
+    if (!data_valid) {
+      //Energy.start_energy = 0;
+      AddLog(LOG_LEVEL_DEBUG, PSTR("NRG: Energy reset by " STR(ENERGY_WATCHDOG) " seconds invalid data"));
 
-    XnrgCall(FUNC_ENERGY_RESET);
+      XnrgCall(FUNC_ENERGY_RESET);
+    }
   }
 
 #ifdef USE_ENERGY_MARGIN_DETECTION
diff --git a/tasmota/xnrg_19_cse7761.ino b/tasmota/xnrg_19_cse7761.ino
index c2e84ae1d..3d29ca858 100644
--- a/tasmota/xnrg_19_cse7761.ino
+++ b/tasmota/xnrg_19_cse7761.ino
@@ -21,8 +21,10 @@
 #ifdef USE_CSE7761
 /*********************************************************************************************\
  * CSE7761 - Energy  (Sonoff Dual R3 Pow)
+ * {"NAME":"Sonoff Dual R3","GPIO":[0,0,1,0,0,0,3232,3200,0,0,225,0,0,0,0,0,0,0,0,0,1,7296,7328,224,0,0,0,0,160,161,0,0,0,0,0,0],"FLAG":0,"BASE":1}
  *
- * Based on datasheet from ChipSea
+ * Based on datasheet from ChipSea and analysing serial data
+ * See https://github.com/arendst/Tasmota/discussions/10793
 \*********************************************************************************************/
 
 #define XNRG_19                    19
@@ -166,7 +168,11 @@ bool Cse7761ChipInit(void) {
   }
 
   Cse7761Write(CSE7761_SPECIAL_COMMAND, CSE7761_CMD_ENABLE_WRITE);
-  delay(8);
+
+//  delay(8);  // Exception on ESP8266
+  uint32_t timeout = millis() + 8;
+  while (!TimeReached(timeout)) { }
+
   uint8_t sys_status = Cse7761Read(CSE7761_REG_SYSSTATUS);
 #ifdef CSE7761_SIMULATE
   sys_status = 0x11;
@@ -396,10 +402,12 @@ void Cse7761EverySecond(void) {
   }
   else {
     if (2 == CSE7761Data.ready) {
-      uint32_t energy_sum = ((CSE7761Data.energy[0] + CSE7761Data.energy[1]) * 1000) / CSE7761Data.energy_update;
-      if (energy_sum) {
-        Energy.kWhtoday_delta += energy_sum / 36;
-        EnergyUpdateToday();
+      if (CSE7761Data.energy_update) {
+        uint32_t energy_sum = ((CSE7761Data.energy[0] + CSE7761Data.energy[1]) * 1000) / CSE7761Data.energy_update;
+        if (energy_sum) {
+          Energy.kWhtoday_delta += energy_sum / 36;
+          EnergyUpdateToday();
+        }
       }
       CSE7761Data.energy[0] = 0;
       CSE7761Data.energy[1] = 0;