1) Please confirm the cable connection of your device from your router to the switch.
2) Also please confirm whether your switch and the access points are powering up or not.
BOTH ARE POWERED ON
If your Access points are not powering up then it indicates that your switch is stuck in boot mode.
3) Please check SYST and power the lights' status of the ICX7150 Switch, describe those lights for us first.
5G = SOLID GREEN
2.4G = SOLID GREEN
AIR = BLANK (NO COLOR)
CTL = SOLID GREEN
PWR = SOLID GREEN
Also let me add more detail to understand the LED lights of your Access points