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Video: Troubleshooting Bluetooth Low Energy (BLE) Communication Issues on the Micrologic X control unit.

Issue:
The Bluetooth LED does not light up when you press the Bluetooth activation push button on the Micrologic X control unit. 

Product Line:
Circuit Breakers

Environment:
Micrologic X control unit

Resolution: 
By default, Bluetooth communication is disabled. Bluetooth communication can be enabled or disabled as follows:
  • On the Micrologic X display screen, at Home → Configuration → Communication → Bluetooth, set Bluetooth to ON or OFF.
  • With Ecoreach software, at Home → Configuration → Communication → Bluetooth, set Bluetooth activation to ON or OFF.



The prerequisites for establishing a BLE connection are:
  • The Micrologic X control unit must be powered.
  • BLE communication must be enabled on the control unit.
  • You must have a smartphone running the Masterpact MTZ Mobile App.
  • The smartphone must support Android 4.4 or iOS 9 or above, and be compatible with Bluetooth low energy.
  • You must have access to the Micrologic X control unit, and be physically within an open field range of 20 to 30 meters (22 to 32 yards) (within 10 meters (11 yards) for optimized connection) for the duration of the connection.

Follow the steps below to establish a BLE connection from your smartphone to the Micrologic X control unit.
1. Start Masterpact MTZ Mobile App on your smartphone.
2 Select Connect to device through Bluetooth.
3. On the Micrologic X control unit, press the Bluetooth activation pushbutton. The Bluetooth LED lights up. If it does not, you must enable the Bluetooth communication feature first. On your smartphone, the Masterpact MTZ Mobile App starts scanning and displays a list of Bluetooth devices in the neighborhood. Micrologic X control units are identified by their ID number.
4. Select the Micrologic X control unit to which you want to connect. A 6-digit pairing code is displayed on the Micrologic X display screen.
5. Enter the pairing code in Masterpact MTZ Mobile App within 30 seconds.
  • If the pairing code is incorrect, or if more than 30 seconds have elapsed, Bluetooth communication is deactivated (the LED turns off), and you must start the connection procedure again at Step 3.
  • If the connection is established, the Bluetooth LED starts blinking.
6. To end the connection, you can either:
  • Press the Bluetooth pushbutton on the Micrologic X control unit.
  • Disconnect from Masterpact MTZ Mobile App.


The following lists the common problems you may meet when establishing a Bluetooth connection to the Micrologic X control unit.
  1. The Bluetooth LED does not light up when you press the Bluetooth activation pushbutton on the Micrologic X control unit.  A) The Bluetooth function is not enabled in the Micrologic X control unit. Enable Bluetooth communication in the Micrologic X control unit.  B) The Micrologic X control unit is not powered. Check the power supply of the Micrologic X control unit.
  2. The Bluetooth connection was established but the signal is lost.  The smartphone has been moved out of range.  Place the smartphone within the range for Bluetooth and establish a new connection.
  3. The Bluetooth LED is blinking on the control unit but you cannot see its ID number in the list of devices available.  A smartphone is already connected to the Micrologic X control unit.  Check whether another smartphone within range is also connected to the control unit.

 
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