diff --git a/daq/src/aaredaq/tellupdater.py b/daq/src/aaredaq/tellupdater.py
index 78608b07..2d1649cf 100644
--- a/daq/src/aaredaq/tellupdater.py
+++ b/daq/src/aaredaq/tellupdater.py
@@ -25,11 +25,20 @@ current_pucks = []
 last_pucks_sent = []
 
 def listen_to_sse():
+    print("[DEBUG] Entered listen_to_sse()")
+    if not tell_client.url:
+        print(f"[SSE][WARN] No TELL URL configured – SSE listener not started. (tell_client.url={tell_client.url})")
+        return
     sse_url = tell_client.url + "/events"
-    with requests.get(sse_url, stream=True) as response:
+    try:
+        response = requests.get(sse_url, stream=True)
         client = sseclient.SSEClient(response)
-        for event in client:
-            on_sse_event(event)
+        for event in client.events():
+            if event.event == "DewarContentUpdate":
+                print(f"event: {event.event}, data: {event.data}")
+                on_sse_event(event)
+    except requests.exceptions.RequestException as exc:
+        print(f"[SSE][ERROR] Failed to connect to {sse_url}: {exc}")
 
 def compare_and_report_change(old, new, key_func):
     old_ids = set(key_func(p) for p in old)
@@ -71,15 +80,10 @@ def handle_tell_change_event():
         print(f"[SSE][ERROR] {exc}")
 
 def on_sse_event(event):
-    # event is an sseclient.Event object
-    print(f"Received SSE event: {event.event}")
+    print(f"[EVENT] SSE event: {event.event}")
+    print(f"[EVENT] Data: {event.data}")
     if event.event == "DewarContentUpdate":
         print("Dewar content changed, updating...")
-        # Option 1: Use event.data directly if it is complete puck info:
-        # puck_info = json.loads(event.data)
-        # do something with puck_info
-
-        # Option 2: Ask TELL again for fresh data
         handle_tell_change_event()
 
 def on_message(ws, message):