diff --git a/Software/src/inverter/SMA-BYD-H-CAN.cpp b/Software/src/inverter/SMA-BYD-H-CAN.cpp
index 9a035389..8a878484 100644
--- a/Software/src/inverter/SMA-BYD-H-CAN.cpp
+++ b/Software/src/inverter/SMA-BYD-H-CAN.cpp
@@ -225,9 +225,10 @@ void SmaBydHInverter::map_can_frame_to_variable(CAN_frame rx_frame) {
     case 0x5E6:
       datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
       break;
-    case 0x5E7:  //Pairing request
+    case 0x5E7:  //Message originating from SMA inverter - Pairing request
+    case 0x660:  //Message originating from SMA inverter - Pairing request
 #ifdef DEBUG_LOG
-      logging.println("Received 0x5E7: SMA pairing request");
+      logging.println("Received SMA pairing request");
 #endif  // DEBUG_LOG
       pairing_events++;
       set_event(EVENT_SMA_PAIRING, pairing_events);
@@ -245,7 +246,7 @@ void SmaBydHInverter::map_can_frame_to_variable(CAN_frame rx_frame) {
 void SmaBydHInverter::transmit_can(unsigned long currentMillis) {
   // Send CAN Message every 100ms if inverter allows contactor closing
   if (datalayer.system.status.inverter_allows_contactor_closing) {
-    if (currentMillis - previousMillis100ms >= 100) {
+    if (currentMillis - previousMillis100ms >= INTERVAL_100_MS) {
       previousMillis100ms = currentMillis;
       transmit_can_frame(&SMA_158);
       transmit_can_frame(&SMA_358);
@@ -254,6 +255,11 @@ void SmaBydHInverter::transmit_can(unsigned long currentMillis) {
       transmit_can_frame(&SMA_518);
       transmit_can_frame(&SMA_4D8);
     }
+    // Send CAN Message every 60s (potentially SMA_458 is not required for stable operation)
+    if (currentMillis - previousMillis60s >= INTERVAL_60_S) {
+      previousMillis60s = currentMillis;
+      transmit_can_frame(&SMA_458);
+    }
   }
 }
 
diff --git a/Software/src/inverter/SMA-BYD-H-CAN.h b/Software/src/inverter/SMA-BYD-H-CAN.h
index 1b502201..9d9eda6b 100644
--- a/Software/src/inverter/SMA-BYD-H-CAN.h
+++ b/Software/src/inverter/SMA-BYD-H-CAN.h
@@ -25,7 +25,7 @@ class SmaBydHInverter : public SmaInverterBase {
   void transmit_can_init();
 
   unsigned long previousMillis100ms = 0;
-
+  unsigned long previousMillis60s = 0;
   uint8_t pairing_events = 0;
   uint32_t inverter_time = 0;
   uint16_t inverter_voltage = 0;
diff --git a/Software/src/inverter/SMA-BYD-HVS-CAN.cpp b/Software/src/inverter/SMA-BYD-HVS-CAN.cpp
index 2e962798..4fa07ae7 100644
--- a/Software/src/inverter/SMA-BYD-HVS-CAN.cpp
+++ b/Software/src/inverter/SMA-BYD-HVS-CAN.cpp
@@ -216,9 +216,10 @@ void SmaBydHvsInverter::map_can_frame_to_variable(CAN_frame rx_frame) {
     case 0x5E6:
       datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
       break;
-    case 0x5E7:  //Pairing request
+    case 0x5E7:  //Message originating from SMA inverter - Pairing request
+    case 0x660:  //Message originating from SMA inverter - Pairing request
 #ifdef DEBUG_LOG
-      logging.println("Received 0x5E7: SMA pairing request");
+      logging.println("Received SMA pairing request");
 #endif  // DEBUG_LOG
       pairing_events++;
       set_event(EVENT_SMA_PAIRING, pairing_events);
@@ -279,7 +280,7 @@ void SmaBydHvsInverter::transmit_can(unsigned long currentMillis) {
 
   // Send CAN Message every 100ms if inverter allows contactor closing
   if (datalayer.system.status.inverter_allows_contactor_closing) {
-    if (currentMillis - previousMillis100ms >= 100) {
+    if (currentMillis - previousMillis100ms >= INTERVAL_100_MS) {
       previousMillis100ms = currentMillis;
       transmit_can_frame(&SMA_158);
       transmit_can_frame(&SMA_358);
@@ -288,5 +289,10 @@ void SmaBydHvsInverter::transmit_can(unsigned long currentMillis) {
       transmit_can_frame(&SMA_518);
       transmit_can_frame(&SMA_4D8);
     }
+    // Send CAN Message every 60s (potentially SMA_458 is not required for stable operation)
+    if (currentMillis - previousMillis60s >= INTERVAL_60_S) {
+      previousMillis60s = currentMillis;
+      transmit_can_frame(&SMA_458);
+    }
   }
 }
diff --git a/Software/src/inverter/SMA-BYD-HVS-CAN.h b/Software/src/inverter/SMA-BYD-HVS-CAN.h
index 58814975..c3d78b07 100644
--- a/Software/src/inverter/SMA-BYD-HVS-CAN.h
+++ b/Software/src/inverter/SMA-BYD-HVS-CAN.h
@@ -22,7 +22,7 @@ class SmaBydHvsInverter : public SmaInverterBase {
   static const int READY_STATE = 0x03;
   static const int STOP_STATE = 0x02;
   static const int THIRTY_MINUTES = 1200;
-
+  unsigned long previousMillis60s = 0;
   unsigned long previousMillis100ms = 0;
   unsigned long previousMillisBatch = 0;
   uint8_t batch_send_index = 0;
diff --git a/Software/src/inverter/SMA-TRIPOWER-CAN.cpp b/Software/src/inverter/SMA-TRIPOWER-CAN.cpp
index f11dd7eb..341ea255 100644
--- a/Software/src/inverter/SMA-TRIPOWER-CAN.cpp
+++ b/Software/src/inverter/SMA-TRIPOWER-CAN.cpp
@@ -124,9 +124,10 @@ void SmaTripowerInverter::map_can_frame_to_variable(CAN_frame rx_frame) {
       datalayer.system.status.CAN_inverter_still_alive = CAN_STILL_ALIVE;
       //Inverter brand (frame1-3 = 0x53 0x4D 0x41) = SMA
       break;
+    case 0x5E7:  //Message originating from SMA inverter - Pairing request
     case 0x660:  //Message originating from SMA inverter - Pairing request
 #ifdef DEBUG_LOG
-      logging.println("Received 0x660: SMA pairing request");
+      logging.println("Received SMA pairing request");
 #endif  // DEBUG_LOG
       pairing_events++;
       set_event(EVENT_SMA_PAIRING, pairing_events);
@@ -184,6 +185,11 @@ void SmaTripowerInverter::transmit_can(unsigned long currentMillis) {
     pushFrame(&SMA_4D8);
     pushFrame(&SMA_3D8);
   }
+  // Send CAN Message every 60s (potentially SMA_458 is not required for stable operation)
+  if (currentMillis - previousMillis60s >= INTERVAL_60_S) {
+    previousMillis60s = currentMillis;
+    pushFrame(&SMA_458);
+  }
 }
 
 void SmaTripowerInverter::completePairing() {