diff --git a/custom_components/weishaupt_modbus/test_modbus.py b/custom_components/weishaupt_modbus/test_modbus.py
index a05c17e..7f27983 100644
--- a/custom_components/weishaupt_modbus/test_modbus.py
+++ b/custom_components/weishaupt_modbus/test_modbus.py
@@ -34,6 +34,7 @@ async def main():  # noqa: D103
                 val = rr.registers[0]
         except ModbusException as exc:
             val = exc
+            print(val)
         if rr.isError():
             val = rr
         if isinstance(rr, ExceptionResponse):