Chemglass CG-4515-07 Vacuum Trap Stopper, 40/50 135777833077 but neither channel's active light

but neither channel's active light comes on and there is no audio output

Manufacturer Ingersoll Rand Model Number ES60P SKU 19-58739 Ref 23-82442

Manufacturer Xantrex Model Number XDC600-20 SKU 19-62810 Ref 23-88896

Includes Benchtop Incubated Biological Orbital Shaker and Power Cable as pictured

but the eject function not working

Chemglass CG-4515-07 Vacuum Trap Stopper, 40/50 135777833077 but neither channel's active lightCondition Used Description Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. There is a small chip on the bottom of the stem. Includes Chemglass CG 4515 07 Vacuum Trap Stopper, 40 50 as pictured. No additional items or accessories are included. Photos are of the actual unit for sale.