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Hi All,
I am unsure whether there is a problem with the mains interference suppressor on my Zanussi ZWD1472W washer dryer. We thought there was a slight smell of hot electrics so we removed the top. The temperature of the mains interference suppressor was about 33 degrees C. Is this normal or is it heading for failure and should be replaced?
Any advice would be much appreciated.This is going to be my usual long winded reply so bear with me. Could be this:
First of all your product code as read off the machine`s label should be 914603301 which you add 00 to the end = ZWD1472W.
Burning smell: fairly common especially if you live in a hard water area. There are 2 pumps fitted to this machine 1) a recirculating pump and 2) the drain pump. What is fairly common with the recirculating pump is a) the pump wears out and does not work or gets jammed b) the pump does work but does not circulate the water from the tank, through a moulded tube to the top of the door seal because that tube gets blocked up and the pump is pumping against a blockage i.e. no jet of water.
What then happens is: because the pump cannot pump the water properly or even at all the recirc pump starts to overheat = smells of heated varnish. If this is so: first thing you do is TURN THE POWER OFF pull the machine out remove the back panel. Looking from the back, towards the left on the base of the machine will be the recirc pump. Usually the pump`s copper coil (its stator) will show signs of heat as the insulating varnish melts and goes bubbly- you can visually see what has happened – if so you want to nip this in the bud there and then by removing both wires to this pump and order a new recirc pump part number: 1321152603. You then have the issue as to why. The recirc tube might be clear or could be blocked up but can be cleaned out with various amounts of hassle and IF it is blocked up you will have no choice but to clean it out because it, as a part, is not available as neither are the rubber grommets so do not lose anything or break it.
If you continue to use the machine with a dodgy recirc pump still wired up the pump windings over heat, then short out which blows a pcb triac on the main pcb = many tears, lots of paper tissues and a big bill = probably writes the whole machine off and so if this is the problem (and it might not be) you are advised to act on it ASAP
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