with the filter removed from the hood,switch on extractor and see if the motor still cuts out,.if it does then you will need to replace the motor because the thermal cut out control is built into the motor .
mech monster
October 2011
if the filter isn't blocked and the motor fan spins freely then you are looking at a new motor
ck
October 2011
I can answer this question...
thermal cut out has started to come on belling extractor hood?
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