Do not worry if you experience some burning smell when you run your mixer grinder for the 1st time .This is due to the motor varnish getting heated for the 1st time. The problem should not recur in subsequent uses. If it does, please contact Brand Service Centre Since your mixer grinder runs on a powerful motor, there will be some noise. Product Operating Noise Level : 87 Db(Mixer Grinder industry wide acceptable levels: 80-90 DB) ; human voice as a reference(50-60 db). If noise level seems to be higher than this, please contact Brand Service Centre Auto shut-off for overload protection Lift and grind blades ensure consistent grinding Revers quadra flow jars prevents sticking to walls