Branch Box LED 402 blinks 2 times — Model information error.

What does LED 402 (2) mean?

LED 402 flashes twice, indicating that the model information stored in the branch box is incorrect or corrupted.

• Incorrect model information saved in the EEPROM.
• Malfunctioning main PCB in the branch box.

Click steps to track your progress.

1. 1

   Reset the power to the branch box by turning it off at the circuit breaker, waiting 30 seconds, then turning it back on.

2. 2

   Ensure all system components are correctly configured according to the installation manual's specifications.

3. 3

   If the error persists, professional service is required to check the branch box's main PCB.