diff --git a/custom_components/solarman/coordinator.py b/custom_components/solarman/coordinator.py
index 38405d6..3c45ac2 100644
--- a/custom_components/solarman/coordinator.py
+++ b/custom_components/solarman/coordinator.py
@@ -14,13 +14,21 @@
 
 class InverterCoordinator(DataUpdateCoordinator[dict[str, Any]]):
     def __init__(self, hass: HomeAssistant, inverter: Inverter):
-        super().__init__(hass, _LOGGER, name = inverter.config.name, update_interval = TIMINGS_UPDATE_INTERVAL, always_update = False)
+        super().__init__(
+            hass,
+            _LOGGER,
+            name=inverter.config.name,
+            update_interval=TIMINGS_UPDATE_INTERVAL,
+            always_update=False,
+        )
         self.inverter = inverter
         self._counter = 0
+        self._last_successful_data: dict[str, Any] | None = None
+        self._is_offline_logged = False
 
     async def _async_setup(self) -> None:
         try:
-            return await self.inverter.load()
+            await self.inverter.load()
         except Exception as e:
             if isinstance(e, TimeoutError):
                 raise
@@ -28,11 +36,23 @@ async def _async_setup(self) -> None:
 
     async def _async_update_data(self) -> dict[str, Any]:
         try:
-            return await self.inverter.get(int(self._counter * self._update_interval_seconds))
+            data = await self.inverter.get(int(self._counter * self._update_interval_seconds))
+            self._last_successful_data = data
+            self._is_offline_logged = False
+            return data
         except Exception as e:
             self._counter = 0
+
+            if not self._is_offline_logged:
+                _LOGGER.warning("Error retrieving data. Use last known data.")
+                self._is_offline_logged = True
+
+            if self._last_successful_data is not None:
+                return self._last_successful_data
+
             if isinstance(e, TimeoutError):
                 raise
+            
             raise UpdateFailed(e) from e
         finally:
             if self.last_update_success:
diff --git a/custom_components/solarman/inverter_definitions/deye_micro.yaml b/custom_components/solarman/inverter_definitions/deye_micro.yaml
index 5eeaf82..6d6c807 100644
--- a/custom_components/solarman/inverter_definitions/deye_micro.yaml
+++ b/custom_components/solarman/inverter_definitions/deye_micro.yaml
@@ -206,10 +206,10 @@ parameters:
           - key: "default"
             value: "Error"
 
-      - name: "Device Fault"
+      - name: "Device Fault 1"
         class: "enum"
         rule: 3
-        registers: [0x0067, 0x0068, 0x0069, 0x006A]
+        registers: [0x0067]
         icon: "mdi:message-alert-outline"
         lookup:
           - key: 0x0000
@@ -242,11 +242,34 @@ parameters:
             value: "Arc Fault Reservation"
           - key: 0x2000
             value: "Grid Current Sample Abnormality"
-          - key: 0x2030000
+          - key: "default"
+            value: "Error"
+
+      - name: "Device Fault 2"
+        class: "enum"
+        rule: 3
+        registers: [0x0068]
+        icon: "mdi:message-alert-outline"
+        lookup:
+          - key: 0x0000
+            value: "OK"
+          - key: 0x191
             value: "Grid phase failure or No Relay Connection"
           - key: "default"
             value: "Error"
 
+      - name: "Device Debug 1"
+        class: "enum"
+        rule: 3
+        registers: [0x0069]
+        icon: "mdi:message-alert-outline"
+
+      - name: "Device Debug 2"
+        class: "enum"
+        rule: 3
+        registers: [0x006A]
+        icon: "mdi:message-alert-outline"
+
   - group: PV
     items:
       - name: PV Power
diff --git a/custom_components/solarman/manifest.json b/custom_components/solarman/manifest.json
index 1df8d05..d61efc4 100644
--- a/custom_components/solarman/manifest.json
+++ b/custom_components/solarman/manifest.json
@@ -9,5 +9,5 @@
   "iot_class": "local_polling",
   "issue_tracker": "https://github.com/davidrapan/ha-solarman/issues",
   "requirements": ["propcache", "aiofiles", "pyyaml", "umodbus"],
-  "version": "24.12.22"
+  "version": "25.01.17"
 }