931. Warranty cardA warranty card is included in the operating instructions (paper) provided withthis switch. Be sure to confirm that the date of purchase, shop (company) name,etc., have been entered in the warranty card and then receive it from the shop.Keep it in a safe place. The warranty period is one year from the date of pur-chase.2. Repair requestIf a problem is not solved even after taking the steps shown in the "Trouble-shooting" section in this manual, please use the Memo shown on the next pageand make a repair request with the following information to your dealer.◆ Product name ◆ Model number◆ Product serial number (an 11-digit number attached on the back of theproduct.)◆ Firmware version (The number after "Ver." labeled on the unit package)◆ Problem status (Please give as concrete information as possible.)● Within the warranty period:Repair service will be provided in accordance with the conditions stipulatedin the warranty card.Please bring your product and warranty card in your dealer.● After the warranty period expires:If our check determines that your product is repairable, a chargeable repairservice is available upon your request.Please contact your dealer.3. Inquiries about after-sales service and the productContact the shop where you purchased the product or call/fax the followingnumber.Appendix D.After-sales Service