Hansa Non-Volatile Memory or Backup Power Failure

Hansa oven clock and settings reset every time power is turned off or after brief outages.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed backup capacitor or battery on control board, Firmware issue, Unstable mains supply

Safety first: Disconnect power before accessing the control board.

Check mains stability: Ensure the oven is on a stable circuit without frequent outages or flicker.
Inspect control board: Look for a backup capacitor or battery on the board. If visibly leaking or swollen, the board should be replaced.
Firmware reset: Perform a factory reset if the user manual provides a procedure.

When to call a technician: Persistent memory loss usually requires control board replacement.

Medium 3/5

Electronic Control Board

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