Thank you for reaching us.
Please let us know where exactly is the yellow/amber light is being observed by you.
If its switch, Syst LED is yellow/ amber, might be device is booting up or has stopped at the booting stage.
Could you, please confirm if device is stuck at the boot stage and have console access to ICX unit.
If it is stuck then please find the below link for a software recovery process.
Moving Forward If this issue still not resolved , Please log a ticket with the below link so that we will help you to proceed further.
I hope this information helps you
Please feel free to leave us a message if any concerns.