Ram Services and Sales provides all brand Air Cooler service & repair across Nagpur City at the doorstep (home service). We perform maintenance and repair service and provide 1 Year warranty for all the replaced electrical parts .To obtain Ram Coolers warranty service within 24 months from the date of retail purchase, you must produce the dated Proof-of-Purchase document .Our expert team is capable to provide prompt service for metal or plastic residential as well as industrial air coolrs.the Air cooler is not working when power is switched on, you can check the main power supply. If there is no issues in power supply then some component of air.