LMVSeriesTechnicalInstructions
DocumentNo.LV5‐1000
SCCInc. Page21 Section7
UnsuccessfulVSDStandardization(continued)
6. Monitorthespeedoftheblowermotorduringthestandardizationprocess.After
standardizationisactivated,therealtimespeedcanbereadusingthefollowingmenupath:
Params&Display>VSDModule>Speed>AbsoluteSpeed
Duringstandardization,theabsolute speedshouldriseuptoapeakvalueandholdsteady
atthatvalueforafewseconds.Then,thevalueshoulddropbackdowntozero(ornear
zero).
Thepeakvaluethatisseenshouldberecordedasthestandardizedspeed.Ifthisdoesn’t
happen,it’slikelythatthere’saproblemwiththeVSDorthespeedsensor.