Parts: Air Filter or Front Grill is Not Covered in the Warranty After Installation. The Warranty Does Not Cover Installation or Demonstration. Accessories External to the System. Damage Parts. The Product is Not Used According to the Instructions Given in the Instruction Manual. Defects Caused by Improper Use as Determined by the Company Personnel. Modification or Alteration of Any Nature is Made in the Electrical Circuitry or Physical Construction of the Set. Site (Premises Where the Product is Kept) Conditions That Do Not Confirm to the Recommended Operating Conditions of the Machine. Defects Due to Cause Beyond Control Like Lightning, Abnormal Voltage, Acts of God, While in Transit to Service Centers or Purchaser's Residence.