Whirlpool 6th Sense FreshControl Total NoFrost Refrigerator: High temperature warning A1; freezer compartment temperature has risen above -9°C (15°F), alerting user of thermal compromise.
On Whirlpool refrigerators (Whirlpool 6th Sense sensor algorithms and WAVE / L1373 electronic platform architecture): Door left open, damaged magnetic perimeter gasket, excessive quantity of warm fresh groceries introduced, or early refrigerant leak.
Ensure freezer door seals completely. Inspect magnetic gasket with paper slip test. Press Alarm Reset button to mute buzzer. Allow 6 to 12 hours for cool-down. Press and hold Fast Freeze and Temp buttons simultaneously for 3 seconds until audible confirmation beep sounds.
