Panasonic NR-BN31EX2, Service Manual

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7.17. Value of Temperature sensors
7.18. Operation in case of failure
Failure of magnetic switch (LED Lamp)
In case of failure of magnetic door switch, the LED Lamp stays switched on for 10 minutes, even when door is
closed. During this time the appliance is operating normally and in accordance with the settings.
Failure of Temperature Sensors
Fridge compartment (PC)
Failure of PC sensor in fridge compartment: time algorithm is installed which sets and deletes the request for
cooling of fridge compartment i.e. opening of the PC Damper:
• for 15 minutes the PC Damper is open
• for 30 minutes the PC Damper is closed
When the PC Damper opens, the Fan Motor switches on and when the PC Damper closes, the Fan Motor switches off. Display for
Fridge
temperature displays ''E1''.
Freezer compartment (FC)
Failure of FC sensor in freezer compartment: display shows ''E3''. The request for cooling of freezer
compartment i.e. switch on/off of compressor and Fan Motor is activated in cycles:
• 15 minutes ON.
• 40 minutes OFF.
If the request for Fan Motor operation in one compartment is interrupted and other compartment requires Fan Motor
operation, the Fan Motor functions.
Freezer compartment evaporator
Failure of Defrost sensor on freezer compartment evaporator: start of defrosting according to the prescribed total
time of compressor operation. Defrosting is carried out normally, but the temperature at which the Defrost
heater switches off, is +8°C.