Warranty period 质保期
The warranty period of the product ends when any of the following applies (whichever comes first).
满足下列三个情况之一(按最先到时间)都视为保质期到期结束。
-1- One year elapses from the time of installation. 安装后满一年。
-2- 18 months elapse from the time of shipment from YAMAHA’s factory 从 YAMAHA 工厂出厂满 18 个月。
-3- Total operation hours reach 5,000 hours. 工作时间到达 5000 小时。