Celerity Unit MultiFlo Xe 500sccm Digital UltraClean Mass Flow Controller 142714245922 but the screen just flickers

but the screen just flickers with nothing on display for this reason we are selling the unit AS IS

Manufacturer HP Agilent Model Number 85662-60222 SKU 19-45044 Ref 23-63701

Manufacturer LifeSize Model Number LFZ-006 SKU 19-41682 Ref 23-67715

Comes with power supply as shown

Throws an Over Voltage code immediately when turned on

Celerity Unit MultiFlo Xe 500sccm Digital UltraClean Mass Flow Controller 142714245922 but the screen just flickersCondition Used Description Unit is a working pull in great working condition! Comes as shown. Has some wear from previous use including scuffs and scratches. Unit is on hand ready to ship! Specifics Manufacturer Celerity Part Number 797 026724 658 Model Number UFC 8561 SKU 19 24283 Ref 23 30481