diff --git a/src/handler/mhz19_co2.py b/src/handler/mhz19_co2.py
index 925308b..79aa9a1 100644
--- a/src/handler/mhz19_co2.py
+++ b/src/handler/mhz19_co2.py
@@ -14,6 +14,7 @@ class Mhz19Co2:
 
     def read(self) -> int | None:
         data = mh_z19.read()
+        logging.debug(str(data))
 
         if not data:
             return None
diff --git a/src/main.py b/src/main.py
index 22c69d3..d068a9f 100644
--- a/src/main.py
+++ b/src/main.py
@@ -16,7 +16,7 @@ from config import climate_log_file
 from handler.action_queue import ActionQueue
 from handler.history import get_recent_entries
 
-logging.getLogger().setLevel(logging.INFO)
+logging.getLogger().setLevel(logging.DEBUG)
 
 
 # Start services