Hager Scheduling / Timer Logic Fault

Charger does not follow configured charging schedules (starts or stops at wrong times) even though time appears correct.

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Possible Causes

Incorrect time zone or daylight saving settings, Overlapping or conflicting schedules in app, Firmware bug in scheduler, Corrupted configuration data

How to Fix / Troubleshooting

Safety first: This is a functional issue, not typically a safety hazard.

Steps to try:

  • Verify time zone: In the Hager app or web interface, confirm the correct time zone and daylight saving settings.
  • Clear and recreate schedules: Delete all existing schedules and create a single simple schedule to test behaviour.
  • Sync time: Ensure the charger has internet access for NTP time sync, or manually set the time if required.
  • Update firmware: Install any available updates that mention scheduling or time fixes.
  • Factory reset (last resort): If allowed by Hager, perform a factory reset and reconfigure the charger. If the issue persists, the main control board may need replacement.
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Repair Difficulty

Easy 2/5

Required Part

Main Control Board (Firmware)
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