This website points to a recall of specific Delonghi manufactured oil filled heaters.
Follow these 4 steps to determine if your heater is in the recall.

A News Video You Must See About DeLonghi Heaters: ABC-TV

Video Proof of DeLonghi’s Heater Causing Fatal Fires in San Francisco On Christmas Day 2013, while most homes in San Francisco was filled with families toasting the holidays and ecstatic children opening presents, one home was filled with smoke, fire, and a wrongful death because of a defective space heater. An oil-filled space heater from … Continued

What should you do if you think your heater has been recalled?
CLICK THIS LINK AND FOLLOW THE INSTRUCTIONS ON TO THE UNITED STATES CONSUMER PRODUCT SAFETY COMMISSION WEBSITE.
Click here if you have a recalled heater