PUAI medical mobile dr wireless remote control can not be used

1, first of all, check the remote control battery positive and negative poles are installed in reverse, the battery and the mounting seat is poor contact.

2, secondly, if all normal, the battery power is insufficient, should be replaced with new batteries.

3, and finally check whether the remote control buttons are damaged, in general, if some of the buttons are responsive, and some buttons do not respond, then the buttons are damaged, overhaul or replacement can be.