MCU is going offline on the SMC2.0

Hi, there!

This is a solution for MCU is going offline on the SMC2.0.

Problem

Sometime after MCU is added to the SMC2.0, it is shown as Offline. And not working. The alarm generated is 'MCU offline'.

Possible Causes

• The MCU network is going to be down.

• The port settings on the SMC2.0 and MCU are different.

• The connection modes that are set on the MCU and SMC2.0 are different.

Procedure to solve the issue

1. First of all, check the connection of MCU by ping the MCU IP.

   1. Open Cmd > Enter IP address of MCU for ping 'Ping IP address'.

   2. If ping response is 'timed out', then check the network of MCU.

   3. If the ping response is '0 connection lost' and successful, then the MCU network is connected.

   4. If the problem is still offline, so apply the below procedure to solve the problem.
      

2. Check whether the connection type is set to SMC2.0/IMS.
   

   1. Log in to the MCU web interface and choose Settings> System > Connection Management.

   2. Check whether the value of connection type is SMC2.0/ IMS.

3. Check whether the same port is specified on the SMC2.0 and MCU or their connection.

   1. Log in to the MCU web interface, Choose Settings> System> Connection Management, and check the value of Port.

   2. Log in to the SMC2.0 web interface, select the MCU you want to check, click Edit MCU, and change the value of Port to the port number that you see in the previous step.

   3. Click Save and check whether the MCU gets online.

   4. If the problem is still Offline, apply the below procedure to solve the problem. 
      

4. Check whether the same connection mode and password are specified on the SMC2.0 and MCU for their connection.
   

   1. Log in to the MCU web interface and choose Settings> System> Connection Management.

   2. Check the value of connection mode and connection password.

   3. Login to the SMC2.0 web interface, select the MCU you want to check and click Edit MCU.

   4. Set connection mode and Connection password to the value you have obtained in step 4.b.

   5. Save the modifications. The system returns to the MCU list page, on which the MCU gets online. and an indication of SMC by green.

MCU gets online on the SMC2.0. 

I hope it will help.