Horiba STEC Criterion D219W-SCT Ar 1500sccm Mass Flow Controller 153870547496 but says tool service required

but says tool service required (E405 error) and for this reason

and shaft as pictured

Manufacturer Etronic SKU 19-49072 Ref 23-69603

Manufacturer Micron Model Number MT36JSF2G72PZ-1G9N1KF SKU 19-67838 Ref 23-97309

Manufacturer HP Model Number 4195A SKU 19-25124 Ref 23-85820

Horiba STEC Criterion D219W-SCT Ar 1500sccm Mass Flow Controller 153870547496 but says tool service requiredCondition 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 Horiba STEC Part Number 788 400004 15A Model Number D219W SCT SKU 19 24106 Ref 23 30523