It's a high-limit switch likely...which is made to trip and cut off the heat if something inside gets too hot. As in, stop your heater from burning your house down. ;) Sometimes they crap out and trip when they shouldn't...which is likely what happened for you. *gives her shiny dress a swish and goes back to dusting the dildos*
Trying to be helpful
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Sometimes they crap out and trip when they shouldn't...which is likely what happened for you. *gives her shiny dress a swish and goes back to dusting the dildos*