Panasonic NR-BN31EX2 Service Manual page 18

Failure of fridge and freezer compartment Temperature sensor at the same time
In this case the display of temperature in fridge compartment shows "E1" and the display of temperature in
freezer compartment shows "E3".
On models with one-digit temperature display in fridge compartment, "E" and "1" are shown alternately,
with 1-second interval while the regulations function each one in accordance with their time regime.
Alarms
Alarms of too high temperature in fridge/freezer compartment
In case the temperature in fridge compartment exceeds +13 ° C and in freezer compartment -9 ° C, the high
temperature alarm will be activated:
• sound alarm is heard, the key for cancellation of alarm is flashing with frequency 1 Hz (0.5 seconds ON and 5
seconds OFF), and on the display, depending on the compartment in which the temperature has raised above
the alarm temperature, the set temperature is flashing.
• Sound alarm is the interrupted buzzer sound: 15 seconds ON and 15 seconds OFF in the first 5 minutes every hour.
• Sound alarm is cancelled by pressing the key for cancellation of the alarm.
• Flashing of key and set temperature remains active until the appliance has cooled down and the temperature
drops below the alarm value.
• If within 24 hours after the cancellation of the sound alarm the appliance does not cool down below the alarm
temperature, the sound alarm is activated again.
Alarm due to power supply failure (blackout) during appliance operation
In case that during a power failure the appliance has heated up to the alarm temperature (+13°C in fridge or -
9°C in freezer compartment), after the restoration of power supply, the alarm of too high temperature is activated.
In case the alarm of too high temperature is activated due to power supply failure, unlike in case of too high
temperature alarm, the number -16 on freezer or +9 on refrigeration display start flashing. In this case the
alarm is active until user's cancellation.
Open door alarm
If the door of fridge or freezer compartment is open for more than 2 minutes, the uninterrupted buzzer sound
will be heard and the key "1" for cancellation of the alarm will be flashing.
When the door is closed, the alarm is canceled.
The sound alarm can also be cancelled by pressing the key "1"; the key flashes until the door is closed.
Child lock
The function is activated by long press on the key "1" for cancellation of the alarm, the display shows "LL".
By pressing any key, the display will show "LL"; when the key is released, the display shows set temperature.
"Child lock" is cancelled by long press on the key "1".
In case the alarm is activated, it can be cancelled with alarm cancellation key without having to leave the "Child lock" mode.
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