diff --git a/src/devices/thermostat.cpp b/src/devices/thermostat.cpp
index 52f07bd20..0b9b26781 100644
--- a/src/devices/thermostat.cpp
+++ b/src/devices/thermostat.cpp
@@ -194,6 +194,7 @@ Thermostat::Thermostat(uint8_t device_type, uint8_t device_id, uint8_t product_i
             register_telegram_type(0x269, "RC300Holiday", true, MAKE_PF_CB(process_RC300Holiday));
         }
         register_telegram_type(0x16E, "Absent", true, MAKE_PF_CB(process_Absent));
+        register_telegram_type(0xC0, "RCErrorMessage", false, MAKE_PF_CB(process_RCErrorMessage2));
 
         // JUNKERS/HT3
     } else if (model == EMSdevice::EMS_DEVICE_FLAG_JUNKERS) {
@@ -1751,6 +1752,49 @@ void Thermostat::process_RCErrorMessage(std::shared_ptr<const Telegram> telegram
         }
     }
 }
+// 0xC0 error log for RC300
+void Thermostat::process_RCErrorMessage2(std::shared_ptr<const Telegram> telegram) {
+    if (telegram->offset > 0 || telegram->message_length < 20) {
+        return;
+    }
+    uint8_t  code[4] = {telegram->message_data[5], telegram->message_data[6], telegram->message_data[7], 0};
+    uint16_t codeNo  = telegram->message_data[8] * 256 + telegram->message_data[9];
+    uint16_t year    = (telegram->message_data[10] & 0x7F) + 2000;
+    uint8_t  month   = telegram->message_data[11];
+    uint8_t  day     = telegram->message_data[13];
+    uint8_t  hour    = telegram->message_data[12];
+    uint8_t  min     = telegram->message_data[14];
+    uint16_t year1   = (telegram->message_data[15] & 0x7F) + 2000;
+    uint8_t  month1  = telegram->message_data[16];
+    uint8_t  day1    = telegram->message_data[18];
+    uint8_t  hour1   = telegram->message_data[17];
+    uint8_t  min1    = telegram->message_data[19];
+    if (isprint(code[0]) && isprint(code[1]) && isprint(code[2])) {
+        if (year == 2000) { // no clock
+            uint32_t min2 = 65536 * telegram->message_data[11] + 256 * telegram->message_data[12] + telegram->message_data[13];
+            snprintf(lastCode_, sizeof(lastCode_), "%s(%d) %d min", code, codeNo, min2);
+        } else if (year1 == 2000) {
+            snprintf(lastCode_, sizeof(lastCode_), "%s(%d) %02d.%02d.%d %02d:%02d", code, codeNo, day, month, year, hour, min);
+        } else {
+            snprintf(lastCode_,
+                     sizeof(lastCode_),
+                     "%s(%d) %02d.%02d.%d %02d:%02d-%02d.%02d.%d %02d:%02d",
+                     code,
+                     codeNo,
+                     day,
+                     month,
+                     year,
+                     hour,
+                     min,
+                     day1,
+                     month1,
+                     year1,
+                     hour1,
+                     min1);
+        }
+        has_update(lastCode_);
+    }
+}
 
 /*
  *
diff --git a/src/devices/thermostat.h b/src/devices/thermostat.h
index 616e4759e..9f1b243f0 100644
--- a/src/devices/thermostat.h
+++ b/src/devices/thermostat.h
@@ -411,6 +411,7 @@ class Thermostat : public EMSdevice {
     void process_RCTime(std::shared_ptr<const Telegram> telegram);
     void process_RCError(std::shared_ptr<const Telegram> telegram);
     void process_RCErrorMessage(std::shared_ptr<const Telegram> telegram);
+    void process_RCErrorMessage2(std::shared_ptr<const Telegram> telegram);
     void process_RC35wwSettings(std::shared_ptr<const Telegram> telegram);
     void process_RC35wwTimer(std::shared_ptr<const Telegram> telegram);
     void process_RC35Monitor(std::shared_ptr<const Telegram> telegram);