Please follow these links to branded sites for product support and service:
Positive Posture: https://www.positiveposture.com/warranty-support/support/
OHCO: https://ohcomassagechairs.com/support/
Panasonic: https://www.panasonicmassagechairs.com/formexistingcustomer/
D.Core: https://www.dcoremassagechairs.com/massage-chairs/product-support-services/