diff --git a/NodeRed/NodeRedFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py b/NodeRed/NodeRedFiles/dbus-fzsonick-48tl.py
similarity index 99%
rename from NodeRed/NodeRedFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
rename to NodeRed/NodeRedFiles/dbus-fzsonick-48tl.py
index 4b51fdae2..f7ff10556 100755
--- a/NodeRed/NodeRedFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
+++ b/NodeRed/NodeRedFiles/dbus-fzsonick-48tl.py
@@ -845,7 +845,7 @@ def read_warning_and_alarm_flags():
         CsvSignal('/Battery/Devices/AlarmFlags/LMPA', c.read_bool(register=1005, bit=45)),
         CsvSignal('/Battery/Devices/AlarmFlags/HEBT', c.read_bool(register=1005, bit=46)),
         CsvSignal('/Battery/Devices/AlarmFlags/CURM', c.read_bool(register=1005, bit=48)),
-        CsvSignal('/Battery/Devices/AlarmFlags/NeedToReplaceBattery',c.read_limb_string(1059)),
+        CsvSignal('/Battery/Devices/AlarmFlags/2 or more string are disabled',c.read_limb_string(1059)),
     ]
 
 def update(modbus, batteries, dbus, signals, csv_signals):
@@ -942,7 +942,7 @@ def get_installation_name(file_path):
         return file.read().strip()
 
 def manage_csv_files(directory_path, max_files=20):
-    csv_files = [f for f in os.listdir(directory_path)]
+    csv_files = [f for f in os.listdir(directory_path) if os.path.isfile(os.path.join(directory_path, f))]
     csv_files.sort(key=lambda x: os.path.getctime(os.path.join(directory_path, x)))
     # Remove oldest files if exceeds maximum
     while len(csv_files) > max_files: