Doing so will void the warranty. 2. If you have any questions regarding this unit’s operation or believe any repair is necessary, please write to our Consumer Service Department. 3. If you need to exchange the unit, please return it in its original carton, with a sales receipt, to the store where you purchased it. If you are returning the unit more than 30 days after the date of purchase, please see the enclosed warranty. 4. If you have any other questions or comments, see our correspondence bel