Hi there, We understand how important it is for your oven to heat properly so you can rely on it for everyday cooking. We’re willing to assist you in ensuring your unit performs as intended. To help resolve heating concerns, please review the steps provided in the link below. Additionally, you may click on Samsung oven temperature issues https://www.samsung.com/us/support/troubleshoot/TSG10001298/#oven-does-not-heat If you need to purchase replacement parts for your model, you may do so through our official parts website: Samsung Parts https://samsungparts.com/products/nx60a6511ss-aa Should you need further assistance, you may contact us at the following channels: 1. Facebook Messenger: http://m.me/samsungsupport 2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513 3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us When you message us, please provide us with this reference number (1151169482) to help our team pull up your information. Thank you. ^Angelica