ABB ACS580 VFD
ABB ACS580 VFD code A780: Motor stall
The motor is operating in a stall region due to excessive load or insufficient power, causing the drive to stop.
- Code
- A780
- Name
- Motor stall
- Controller
- ABB ACS580 VFD
- Type
- Motor overload
- 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 2 common causes 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 ABB ACS580 VFD code A780 mean?
The motor is operating in a stall region due to excessive load or insufficient power, causing the drive to stop.
Is ABB ACS580 VFD code A780 dangerous?
It is graded green: in a working tech's wheelhouse with standard tools and low risk.
How do I fix ABB ACS580 VFD code A780?
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.