Question about Zanussi ZX99 / 5 Bottom Freezer Refrigerator

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My ZNB 3450S zanussi fridge freezer alarm keeps going off

Freezer is overheating, when it gets to -11c alarm goes off, fridge section is ok. I would have thought the thermostat would turn on the compressor and/or fan inside the freezer to lower the temp. but it doesn't. After a long time everything eventually seems to get going and it brings down the temperature in the freezer, but not before the food has started to defrost! Engineer came out and put mastic round the pipe at the rear of freezer and it's ok in the winter but in warm weather the alarm is going off all the time. Appliance is 18 months old

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Posted on Jan 02, 2017

SOURCE: Zanussi ZX99/5SI

I had this problem with my ZX99. In my case it was caused by faulty temp sensors not making the defrost system kick into place. The defrost cycle works by heating an element for every week or so for a few minutes.

Posted on Aug 01, 2007

  • 12 Answers

SOURCE: Zanussi ZNB 3450S Fridge Freezer not cold enough

it is going into defrost,not enough frozen items in freezer to hold temperature down. if you bought it july last year.it should still be under waranty

Posted on Feb 27, 2008

kdgrayson
  • 195 Answers

SOURCE: How do I replace the blower fan motor in the

unplug unit
use screw drivers, 1/4 & 5/16 nut drivers , to remove panel and any trim required, usually not required. remove braket with either nutdriver, replace and reassemble , simple.

Posted on Aug 23, 2009

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