If the dust and debris stuck Within the drainage tray and pipe, the drinking water will get accrued. The blacking of h2o with debris brings about bad scent. You could contact a technician for clearing the drainage method. Electricity Issues: In case your Voltas AC is just not turning on, https://andresttsr.bloggosite.com/21504611/a-secret-weapon-for-voltas-duct-air-conditioner-service-center-charni-road