diff --git a/lib/Hoymiles/src/parser/AlarmLogParser.cpp b/lib/Hoymiles/src/parser/AlarmLogParser.cpp
index 1ac701b..3e1dc66 100644
--- a/lib/Hoymiles/src/parser/AlarmLogParser.cpp
+++ b/lib/Hoymiles/src/parser/AlarmLogParser.cpp
@@ -6,9 +6,10 @@
 #include "../Hoymiles.h"
 #include <cstring>
 
-const std::array<const AlarmMessage_t, 76> AlarmLogParser::_alarmMessages = {{
+const std::array<const AlarmMessage_t, ALARM_MSG_COUNT> AlarmLogParser::_alarmMessages = {{
     { AlarmMessageType_t::ALL, 1, "Inverter start" },
     { AlarmMessageType_t::ALL, 2, "DTU command failed" },
+    { AlarmMessageType_t::ALL, 73, "Temperature >80°C" }, // https://github.com/tbnobody/OpenDTU/discussions/590#discussioncomment-6049750
     { AlarmMessageType_t::ALL, 121, "Over temperature protection" },
     { AlarmMessageType_t::ALL, 124, "Shut down by remote control" },
     { AlarmMessageType_t::ALL, 125, "Grid configuration parameter error" },
diff --git a/lib/Hoymiles/src/parser/AlarmLogParser.h b/lib/Hoymiles/src/parser/AlarmLogParser.h
index b57948b..0286db1 100644
--- a/lib/Hoymiles/src/parser/AlarmLogParser.h
+++ b/lib/Hoymiles/src/parser/AlarmLogParser.h
@@ -9,6 +9,8 @@
 #define ALARM_LOG_ENTRY_SIZE 12
 #define ALARM_LOG_PAYLOAD_SIZE (ALARM_LOG_ENTRY_COUNT * ALARM_LOG_ENTRY_SIZE + 4)
 
+#define ALARM_MSG_COUNT 77
+
 struct AlarmLogEntry_t {
     uint16_t MessageId;
     String Message;
@@ -50,5 +52,5 @@ private:
 
     AlarmMessageType_t _messageType = AlarmMessageType_t::ALL;
 
-    static const std::array<const AlarmMessage_t, 76> _alarmMessages;
+    static const std::array<const AlarmMessage_t, ALARM_MSG_COUNT> _alarmMessages;
 };
\ No newline at end of file