Hotpoint mistral FF72 / FF92 drip tray heater

This topic has 4 replies, 2 voices, and was last updated 19 years, 9 months ago by Simon46.

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June 28, 2006 at 7:46 am #18761

Simon46
Participant

Been to some of these lately for Evap thermistor failure. Whist replacing have noticed that the drip tray heater has become dislodged from the drain channel pulling the right hand mounting screw out of the cabinet and a burn mark where the foil ends on the lower back cabinet accompanied by a crack in the cabinet. Is this common and why does it happen?

Regards
Simon

June 28, 2006 at 8:23 am #180281

Dave_Conway
Participant

Re: Hotpoint mistral FF72 / FF92 drip tray heater

Ice build up/expansion forcing parts to move maybe ? 😕

Dave.

July 14, 2006 at 8:03 am #180282

Simon46
Participant

Re: Hotpoint mistral FF72 / FF92 drip tray heater

Been back to one with drip tray and hose frozen solid again. Clear ice has run down top vents. Both thermistors replaced. All thermal cutouts heaters metered ok. Defrost has occured due to clear ice but frozen solid in gutter. Same gutter heater is a continuation of defrost heater. Could water have got into lining? Crack in cabinet lower RHS near heater.
Any ideas? 😕

Regards
Simon

July 14, 2006 at 8:44 am #180283

Dave_Conway
Participant

Re: Hotpoint mistral FF72 / FF92 drip tray heater

There is an aditional heater behind the evaporator which may have failed, it looks to be behind the plate 😕

Dave.

July 20, 2006 at 6:10 am #180284

Simon46
Participant

Re: Hotpoint mistral FF72 / FF92 drip tray heater

Yes that heater is ok as well. Hoped that condenser fan motor would keep drain tube warm to stop it from freezing. That works too. Got me stumped unless board is not switching heater on for long enough. 😕

S.
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