Branch Box LED 402 blinks 1 time — EEPROM error.

What does LED 402 (1) mean?

LED 402 flashes once, indicating an error with the EEPROM (Electronically Erasable Programmable Read-Only Memory) in the branch box.

• Corrupted EEPROM data.
• 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

   Check for any external factors such as significant voltage fluctuations or electrical noise that might be affecting the system.

3. 3

   If the error persists, professional service is required as the branch box's main PCB may need to be replaced.