F20
V-ZUG
Temperature Alarm Condition (Non-Hardware Fault)
Refrigerator shows F20 or over-temperature alarm after power outage or long door opening
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Possible Causes
Extended power interruption,Door left open for prolonged period,Large load of warm food introduced,Ambient temperature too high
How to Fix / Troubleshooting
Safety first: Ensure the appliance is properly powered and doors are closed.
Steps:
- 1. Acknowledge alarm: Press the alarm or OK button on the control panel to silence the alarm.
- 2. Check door closure: Confirm that all doors are fully closed and sealing properly.
- 3. Reduce load: Remove any large, warm items recently placed inside and allow them to cool externally before reloading.
- 4. Allow recovery time: Give the refrigerator several hours to return to set temperatures. Avoid frequent door openings during this period.
- 5. Monitor temperatures: Use a thermometer to verify that temperatures return to normal. If they do not, investigate cooling system faults.
Warning: Discard perishable food that has been above safe temperatures for extended periods.
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Repair Difficulty
Very Easy
1/5
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