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bit2 - Connection Master Slave

bit2 - Connection Master Slave — Cannot connect the master board

Schneider Electric · EVlink Smart Wallbox Charging Stations Troubleshooting

What does bit2 - Connection Master Slave mean?

The charging station cannot establish a connection between the master boards.

Common Causes

  • Issue with the Ethernet cable connecting the boards
  • Faulty connector on the boards

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the Ethernet cable between the two boards.

  2. 2

    Try replacing or changing the connector on the boards.

  3. 3

    Check communication via the LEDs on the RJ45 connectors.

  4. 4

    Check the status LEDs (green/red/blinking) on the board itself.

  5. 5

    Re-boot the charging station.

  6. 6

    If the fault persists, perform a reset to factory settings on both sides (left then right).

Browse all codes in this manual (31)
Verified technical data. Last updated: April 2026

Related Faults

1 blink1 blink — Surge arrestor fault10 blinks10 blinks — Configuration file error2 blinks2 blinks — Trap not locked fault
Source: EVlink Smart Wallbox Charging Stations Troubleshooting
Open Manual (Page 18)Search more codes in this manual