Watson Marlow 323S/D Variable-Speed Pump Drive With 313 DW Pump Head - AS IS 147200411315 but a consistent error message

but a consistent error message occurs when loading followed by immediate ejection of disc

Manufacturer Polk Audio SKU 19-55577 Ref 23-97057

Manufacturer Polk Audio Part Number RD0088-1 Model Number Monitor 70 SKU 19-83022 Ref 23-119870

Manufacturer Tektronix Model Number THS720 Std SKU 19-74794 Ref 23-117696

Includes Lens Clock Spherometer and Case as pictured

Watson Marlow 323S/D Variable-Speed Pump Drive With 313 DW Pump Head - AS IS 147200411315 but a consistent error messageThis item is sold AS IS. No returns or exchanges are accepted. Condition For parts or not working Description Unit does not power on and for this reason, we are selling the unit AS IS for parts repair as a non working or incomplete unit. We have not tested inspected any further, item may have unknown issues we are not aware of. See all item photos for the condition of the unit. Unless pictured, no power adapter power cable included. The unit is on