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I went to a Hotpoint FFA97G fridge freezer today and the evaporator was completely blocked with a solid lump of ice. Ah Ha I thought another job to replace the thermistors. However they were in a different location and were white. I couldn’t find any part numbers for them, so are these the ones which are classed as ‘foamed in and unreplaceable’. If so, what else could cause this f/f to ice up.
Thanks for any help.
Re: Hotpoint FFA97G Fridge Freezer Thermistors
Have you check the defrost heater? Is the drain hole blocked? Is there a defrost timer? Or is it controled from the board? I have had problems with Zanussi F/F, freezing up due to faulty timers and blocked drain holes. Hope this helps.
Re: Hotpoint FFA97G Fridge Freezer Thermistors
atech, The drain hole was clear. No timer, just the p c b at top of facia. Not sure about the heater. When I couldn’t find any thermistors listed on connections for this model, there was a part called ‘defrost thermal fuse’ (a red object with 4 wires). Thats what I shall check when customer returns after his hols. Thanks for the reply
Re: Hotpoint FFA97G Fridge Freezer Thermistors
If its like the FFA60 or FFA70 the thermistors are embedded in the foam and are not available as a seperate item. What I’ve been doing is – find the plug in of the thermistors to PCB and then at room temp check their resistance – all should be about the same. If not then you have a duff thermistor, if they are the same probably a PCB fault.
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