Outside light is white but turns to solid red

Disk issue G-RAID
iMac (Retina 5k, 27 inch, 2017
GTEC 4TB G-Drive Thunderbolt 3 USB-C External Drive

  • Purchased in June of 2018
  • Outside light is white but turns to solid red.
  • Top drive has a blue light
  • Bottom drive has no light on
  • Both drives appear to be set to zero
    Drives are used for photography only so need to recover data