Walli charger powers on but will not start charging; LEDs remain idle and no relay click is heard when plugging in the vehicle.

Safety first: Ensure the charger is de‑energized before opening the housing.

Steps:

• Check access control: In the Walli app, verify that the charger is not set to 'locked' or restricted mode. Present an authorized RFID card if required.
• Listen for relay: When you plug in the vehicle and authorize charging, you should hear a click from inside the Walli. No click suggests the contactor is not being driven.
• Test with another EV: Try a different vehicle to rule out a vehicle‑side issue.
• Internal inspection: With power off, open the unit and visually inspect the contactor and its wiring harness. Check for loose coil wires or burnt contacts.
• Replace contactor or board: If the contactor coil is open or the driver is not energizing it (technician test), replace the Walli power contactor or main control board as appropriate.