If a deep fryer is not heating oil, the user should check that it is plugged in to a working outlet and read the product manual to ensure that she did not miss any important instructions. Otherwise, the user may need to repair or replace the deep fryer.
Deep fryers may require a minimum amount of pre-heating time before they are able to work properly. Some deep fryers also have a safety switch or a reset button which the user must push in to enable to unit to function. If the user fails to resolve the problem with the help of product manuals or troubleshooting tips, she should contact the company's service center for further assistance.