一、售后页面概述
Pusun关于故障排查、保修服务、配件更换ement and system upgrades. Built with commercial-grade stability and low failure rate, the Pusun-PT-MAX B smart tennis serving machine adapts to home recreation and high-frequency studio training. This practical after-sale guide provides easy self-check solutions and complete policy explanations to help users resolve daily operation issues quickly.
二、保修政策 FAQ
问1：Pusun-PT-MAX B 智能网球发球机提供官方保修吗？
The Pusun-PT-MAX B smart tennis serving machine includes an official warranty card and enjoys standard manufacturer warranty services. Under normal use without manual damage or illegal operation, the main movement, intelligent control system and transmission structure are fully covered. Users can apply for after-sales maintenance with valid purchase records and the original warranty card.
问2：哪些情况不在免费保修范围内？
Artificial collision damage, private disassembly and modification, water ingress, incorrect voltage use, outdoor weathering aging and normal wearing parts are not covered by free warranty. Malfunctions caused by overloaded intensive training and unofficial firmware flashing are also excluded, while paid repair and replacement services are still available.
三、常见故障与自主排查
问3：如何解决卡球或不出球问题？
Most jamming failures are caused by accumulated tennis fluff and dust. Clean the hollowed base and serving roller of the Pusun-PT-MAX B smart tennis serving machine to remove blockages and restore normal ball delivery. If the problem persists, check power stability and machine placement level to eliminate basic usage errors.
问4：如何解决角度和深浅球轨迹不准确的问题？
When the Pusun-PT-MAX B smart tennis serving machine produces offset landing points, activate the AI automatic parameter adjustment function for intelligent calibration. Fine-tune horizontal and vertical angles manually to restore precise serving performance. OTA firmware upgrades can also optimize system algorithms to fix long-term accuracy deviations.
问5：如何排查无响nsive APP, mini-program or remote control?
Check remote control battery power and network connection first, then rebind the device to fix most connection failures. Restart the machine and update firmware to resolve system lag and program bugs. The multi-smart control system of the Pusun-PT-MAX B smart tennis serving machine is highly stable, and most issues are simple adaptability failures.
问6：如何修复 2.5 秒变速响应慢的问题？
速度切换延迟通常由系统参数紊乱引起。恢复默认设置并重nfigure training modes, or install the latest OTA firmware to repair variable-speed function failures, restoring advanced deep and short ball training performance.
四、配件与更换服务
问7：Pusun-PT-MAX B 智能网球发球机的单个配件可以更换吗？
All standard accessories including the 110V/220V universal adapter and remote control support independent official replacement. 产地al factory accessories ensure full compatibility without affecting the machine’s original parameters and training functions, greatly reducing long-term after-sale maintenance costs.
五、系统升级与数据售后支持
问8：如何解决 OTA 升级失败和更新后功能异常的问题？
升级失败主要是网络不稳定导致。重新连接网络并重试 OTA 升级。如果功能nal disorder occurs after updating, restore factory settings and reinstall the firmware to recover core functions, including custom 28-point programming and 26 preset training modes.
问9：云端训练数据会丢失吗？支持数据恢复吗？
The Pusun-PT-MAX B smart tennis serving machine adopts permanent cloud data storage, and training records will not be lost under normal operation. 专业nal after-sale technical support is available to check and recover abnormal data records, ensuring long-term training tracking and review.
六、商业售后支持
问10：商业工作室使用是否提供专属售后支持？
Exclusive technical support is provided for high-frequency commercial scenarios such as tennis studios and training institutions. Services include batch device debugging, customized mode setting and unified firmware upgrading, ensuring stable daily teaching and group training for long-term commercial operation of the Pusun-PT-MAX B smart tennis serving machine.
