Walli Scheduling / Timer Function Fault

Walli charger scheduled charging does not start at the programmed time.

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Possible Causes

Incorrect time or timezone on Walli, Misconfigured schedule in app, RTC drift or failure, Communication issue between app and charger

How to Fix / Troubleshooting

Safety first: This is a control issue only.

Steps:

  • Verify time: Check the Walli charger's internal clock and timezone in the app or installer menu.
  • Review schedule: Ensure the schedule is enabled, days are correctly selected, and no conflicting rules exist.
  • Test manual start: Confirm that manual charging works; if not, the issue is not limited to scheduling.
  • Disable and recreate schedule: Delete existing schedules and create a new simple schedule to test.
  • If schedules still fail: Suspect RTC or firmware issues; update firmware and, if necessary, replace the main control board.
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Repair Difficulty

Easy 2/5

Required Part

Walli main control board
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