Firmware Update for Control and Display Boards

• Access to the internal part of the boiler is required to perform this operation. 
• Be sure to follow safety measures when working with the boiler. 
• Before starting maintenance, switch the boiler to standby mode and turn off the boiler’s power circuit breaker in the panel.

•  First, remove the front panel of the boiler.
• Be careful to avoid disconnecting the cables.
• Disconnect the control display and the grounding cable attached to the front panel.

For flashing the boiler, you will need: 

• Programmer. This is the original device from the manufacturer. If necessary, such programmers can be provided by authorized service centers. 
• Power source for the programmer. It is recommended to use a power bank for convenience.

• Assemble the programmer by connecting the single connector cable (included) to the programmer. The two connectors on the other end of the cable are for programming. 
• Connect the programmer to the power source using the power cable (included). 
• The programmer should light up with a red indicator.

•  Press and hold the button on the programmer for three seconds, then release it. 
• Two short signals indicate that the display firmware program is active. 
• To select the next firmware program, press the button again for three seconds. 
• One short signal indicates that the control board firmware program is now active. 
• Disconnect the power source.

 1. Preparation: 

• Select the appropriate firmware on the programmer for the control board. 
• Remove the Wi-Fi module from the control board to save its settings. 
• Choose the four-pin connector on the programmer cable and connect it to the special programming connector on the control board. 
• Connect the power source. The programmer should light up with a red indicator.

2. Programming the Main Board: 

• Briefly press the button on the programmer, and the red indicator should blink. Wait for the audio signal. 
• A blue indicator lights up. The audio signal indicates that the firmware was installed correctly. 
• Disconnect the programmer from the power source, then from the control board. 
• Install the Wi-Fi module back onto the control board.

1. Preparation: 

• Disconnect the display connector from the control board of the boiler.
• Select the appropriate firmware on the programmer for the display.
• Choose the five-pin connector on the programmer cable and connect it to the special programming connector on the display.
• Connect the power source. The programmer should light up with a red indicator.

2. Programming the Display Board: 

• Briefly press the button on the programmer, and the red indicator should blink. Wait for the audio signal. 
• A blue indicator lights up. The audio signal indicates that the firmware was installed correctly.
• Disconnect the programmer from the power source, then from the display board.
• Connect the display connector to the boiler’s control board.

• Reconnect the boiler to the power supply by switching on the circuit breaker in the electrical panel. 
• The power icon on the display should light up with a red indicator. 
• Turn on the boiler and enter the service mode. 
• Reset the boiler parameters to factory settings using parameter P10. 
• Reassemble the boiler in reverse order, observing all safety measures.