How to make रूम हीटर चल रहा है पर गर्म हवा नही दे रहा है || room heater running but not heating

Ham bataenge aapko room heater repair karne ka vah bahut hi Aasan Tarika room heater chal raha hai hi fan chal raha hai uska per Garam Hawa heating nahin kar raha hai thanks for watching
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