diff --git a/pykirdy/asyncio_exmaple.py b/pykirdy/asyncio_exmaple.py
index 7a1e572..b5a3b08 100644
--- a/pykirdy/asyncio_exmaple.py
+++ b/pykirdy/asyncio_exmaple.py
@@ -115,7 +115,7 @@ async def ld_thermostat_cfg(kirdy: Kirdy):
 
 async def main():
     kirdy = Kirdy()
-    kirdy.start_session(host='192.168.1.128', port=1337)
+    kirdy.start_session(host='192.168.1.134', port=1550)
     await kirdy.wait_until_connected()
 
     await ld_thermostat_cfg(kirdy)
diff --git a/pykirdy/driver/kirdy.py b/pykirdy/driver/kirdy.py
index fe4ff25..1f9c3d3 100644
--- a/pykirdy/driver/kirdy.py
+++ b/pykirdy/driver/kirdy.py
@@ -516,12 +516,12 @@ class Thermostat:
 
     async def set_tec_i_out(self, i_out):
         """
-            Set Tec Output Current (Settable Range: 0.0 - 3.0)
+            Set Tec Output Current (Settable Range: -3.0 - 3.0)
             This cmd is only effective in constant current control mode 
             or your newly set value will be overwritten by PID Controller Output
                 - i_out: A
         """
-        await self._send_cmd(self.tec_set_i_cmd._target, self.tec_set_i_cmd.tec_set_i, i_out)
+        return await self._send_cmd(self.tec_set_i_cmd._target, self.tec_set_i_cmd.tec_set_i, i_out)
 
     async def set_constant_current_control_mode(self):
         """
@@ -941,6 +941,7 @@ class Kirdy:
                 self._err_msg_sig.emit(f"{msg['msg_type']}:{str(msg['msg'])}")
             else:
                 raise KirdyCmdError(f"{msg['msg_type']}:{str(msg['msg'])}")
+        print(msg)
         return msg
 
     async def _send_cmd(self, target, cmd, data=None, msg_type="Acknowledge", sig=None):