Heater does not work

If you buy the belt buy it just for the belt part because the heater does not work. This is the second bell I’ve purchased. I received a refund for the first one that had a heater that didn’t work and now the second one the heater still don’t work I’m not sure whether it is the pin in the connection where the cord goes that is a bent or the cord itself. but I have tried everything I can think of and still the heater did not work on the first one and the heater doesn’t work on the second one so if you’re buying the bell, buy it just for the air portion that seems to work fine thank you

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