WERCSWERCSDiagnose

Yaskawa GA500 AC Drive

Yaskawa GA500 AC Drive code rUn: Motor Switch during Run

The drive received a secondary motor selection command while running, which causes the drive to stop the motor.

Code
rUn
Name
Motor Switch during Run
Controller
Yaskawa GA500 AC Drive
Type
Safety interlock
What it does
Warning: the equipment keeps running and flags a problem
Risk
GREEN In your wheelhouse
Reset
Clears on its own when the condition goes away
Source
The manufacturer's manual (subscribers see which manual and page)

Updated November 4, 2026

How to fix it

Subscribers get:

  • What to do next, in plain words
  • What the manual says to do, and the page it is on
  • The 1 common cause listed for this code
  • The step by step check for this problem, one check at a time
  • Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)

Questions about this code

What does Yaskawa GA500 AC Drive code rUn mean?

The drive received a secondary motor selection command while running, which causes the drive to stop the motor.

Is Yaskawa GA500 AC Drive code rUn dangerous?

It is graded green: in a working tech's wheelhouse with standard tools and low risk.

How do I fix Yaskawa GA500 AC Drive code rUn?

The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.

Other Yaskawa GA500 AC Drive codes

All 141 Yaskawa GA500 AC Drive codes · Every fault code