FieldBench
York codes

York

VFD

Lockout

VFD / indoor-fan drive

The indoor fan is a drive, not a contactor + cap. Type the keypad string: oC, Uv, ov, GF, oH, PF.

Walk VFD in Diagnose

Sign in for the next measurement

First check

1 Read the drive before you cycle power

On York ZF photograph the VFD keypad or the unit-board fan alarm (OC, LU, OU, GF, OH, limp). Power-cycle wipes what you needed. Photograph the drive keypad before you cycle power. Yaskawa/ABB show oC / Uv / ov; EcoBlue / Reliatel may say fan fail instead.

Expect: Live drive code written down. Line voltage at L1/L2/L3 of the drive.

The rest of the walkthrough is Diagnose.

On the plates

  • Photograph the drive keypad before you cycle power. Yaskawa/ABB show oC / Uv / ov; EcoBlue / Reliatel may say fan fail instead.
  • Enable present? Speed reference present? Motor spinning and proving?
  • Do not throw a dual run cap at a VFD motor.

Plates that use VFD

Same number, other makers

VFD on York is not the same code on these plates.