diff --git a/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/DishWasherHandler.java b/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/DishWasherHandler.java
index 4db8dbac3..694f9be32 100644
--- a/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/DishWasherHandler.java
+++ b/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/DishWasherHandler.java
@@ -114,7 +114,7 @@ public class DishWasherHandler extends MieleApplianceHandler<DishwasherChannelSe
 
     public void onApplianceExtendedStateChanged(byte[] extendedDeviceState) {
         if (extendedDeviceState.length < EXTENDED_STATE_MIN_SIZE_BYTES) {
-            logger.warn("Unexpected size of extended state: {}", extendedDeviceState);
+            logger.debug("Insufficient extended state data to extract consumption values: {}", extendedDeviceState);
             return;
         }
 
diff --git a/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/WashingMachineHandler.java b/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/WashingMachineHandler.java
index 05139b22a..e8ba2ff48 100644
--- a/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/WashingMachineHandler.java
+++ b/bundles/org.openhab.binding.miele/src/main/java/org/openhab/binding/miele/internal/handler/WashingMachineHandler.java
@@ -116,7 +116,7 @@ public class WashingMachineHandler extends MieleApplianceHandler<WashingMachineC
 
     public void onApplianceExtendedStateChanged(byte[] extendedDeviceState) {
         if (extendedDeviceState.length < EXTENDED_STATE_MIN_SIZE_BYTES) {
-            logger.warn("Unexpected size of extended state: {}", extendedDeviceState);
+            logger.debug("Insufficient extended state data to extract consumption values: {}", extendedDeviceState);
             return;
         }