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Need help?Do you have a question about the Gram FS and is the answer not in the manual?
Opening and closing door creates underpressure. Use gap creation method for repeated access.
Keep door closed if freezer stops completely until service technician arrives.
Leave door slightly ajar after defrosting/cleaning to prevent bad smells.
Check temperature setting, power connection, and plug insertion.
Caused by internal tubes or cladding contact. Ensure appliance is level.
Normal sound from circulating refrigerant, even when compressor is off.
Lamps light up sequentially, acoustic alarm sounds for power failure or high temp.
Panel shows actual freezer temperature, e.g., -18°C.
Press TEMP to show current setting, e.g., factory default -18°C.
All lamps light up when freezer temp is -14°C or higher.
Lamp next to FREEZE key illuminates when freezing down is active.
Press FREEZE to select 1 or 2 days; illuminated lamps indicate selection.
Display shows actual temp or 1°C lower than set temp during freezing down.
Only the -21 lamp illuminates when temp is below scale limits.
Alternating end lamps and lit middle lamps indicate sensor fault.
General