138Chapter 12Troubleshooting12-4 After service• For repair and maintenance for this product, contact your local dealer orour repair center.• You cannot replace the built-in rechageable battery yourself. After prolongeduse, the battery may not retain its charge for as long as it used to. In this situation,please contact your local dealer or our repair center..• The strap for the device, the battery for the HR sensor, the HR belt, and theUSB cable are not covered by the guarantee. If you need to purchase any ofthese items, contact your local dealer or our information center.• Spare parts for repairing this product will be available for six years after thedevice has stopped being manufactured.• In the event of product failure, we do not guarantee that data recorded on thedevice can be recovered.• A sticker displaying the serial number for this product is stuck to the guarantee.If there is no sticker, the guarantee is void.