SYMPTOM

Power cut recovery

Appliance: Gaggenau Kitchen Appliances Models: BO 280/281, BO 470/471, BO 480/481

⚠ What This Means

After a power interruption longer than a few minutes, the oven stops operating. A lightning bolt symbol (J) appears on the display with three dashes instead of the temperature (BO 280/281) or a message appears on the display (BO 470/480).

🔧 How to Fix

  1. Switch off the temperature knob or function selector.
  2. Switch the appliance back on.
  3. Reset the clock if the 'first settings' menu reappears (only after extended outages of several days).

🔍 Possible Causes & Solutions

Possible CauseHow to Fix
Power outage exceeded the bridge time (a few seconds to 5 minutes)Normal behavior; restart the appliance.
Test Specifications
Bridge time (BO 280/281): Up to 5 minutes
Bridge time (BO 470/480): A few seconds

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❓ Frequently Asked Questions

Are my basic settings lost after a power cut?

No. Basic settings remain stored even if the appliance is without power for several days. Only the clock may need to be reset.