Nordmende RETNF366C Instruction Booklet page 17

If the food in the Cooling/Freezing compartment is colder than necessary:
• Has a suitable temperature setting be made? (Are the thermostat knobs in the
position "5"?)
• Is there too much newly placed food in the deep freeze compartment?
If there is, the compressor shall operate longer for freezing it; hence it may also possibly
be cooling the food in the cooling compartment more than necessary.
If your refrigerator is operating noisily:
The compressor shall from time to time energize to ensure that the adjusted coolness
level remain fixed. The noises that may be heard from the refrigerator at that time are
normal as required by function.
Once the required coolness level has been achieved, the noises should automatically
diminish.
If there is still noise:
• Has your refrigerator been leveled? Have the feet been adjusted and set?
• Is there anything behind your refrigerator?
• Are the shelves or the plates on the shelves of your fridge vibrating? If so, then
rearrange the shelves and/or plates.
• Are the goods placed in your fridge vibrating? Secure them or rearrange on the shelf.
Crackling (Ice Cracking) Noise:
• It is heard during the automatic defrosting process as the ice which has formed on
the cooling coil melts and falls into the drain trough.
• Once the device has been cooled or heated (the expansions and contractions of the
actual product material).
Short Cracking Noise:
• It is heard when the thermostat turns the compressor on and off.
Compressor Noise:
• It is a normal engine noise. This noise indicates that the compressor is operating
normally.
• As the compressor is being energized, it might run a bit more noisily for a short
period of time.
Bubbling and gurgling sound:
• This noise is emitted as the coolant fluid flows through the pipes within the system.
Water flowing sound:
• This is the normal sound of water flowing into the drain trough during the defrosting
process.
Air blowing sound:
• It is the normal fan sound. This sound may be heard due to air circulation in No Frost
refrigerators when the system is operating normally.
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