Yaskawa GA500 AC Drive
Yaskawa GA500 AC Drive code oFA01: Option Fault/ Connection Error
The option card was changed during operation, causing the drive to fault and stop the motor.
- Code
- oFA01
- Name
- Option Fault/ Connection Error
- Controller
- Yaskawa GA500 AC Drive
- Type
- Internal fault
- What it does
- Fault: the equipment trips and stops
- Risk
- YELLOW Booth plays by its own rules
- Reset
- Needs a manual reset
- 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
- 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 oFA01 mean?
The option card was changed during operation, causing the drive to fault and stop the motor.
Is Yaskawa GA500 AC Drive code oFA01 dangerous?
It is graded yellow: not hard, but a booth does it differently than the gear most techs know, so follow the checks in order.
How do I fix Yaskawa GA500 AC Drive code oFA01?
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
Er-19 · PM Inductance ErrorEr-20 · Stator Resistance ErrorEr-25 · HighFreq Inject Param Tuning ErroFA00 · Option Not Compatible with PortoPE01 · Drive Capacity Setting ErroroPE02 · Parameter Range Setting ErroroPE03 · Multi-Function Input Setting ErroPE05 · Run Cmd/Freq Ref Source Sel ErroPE07 · Analog Input Selection ErroroPE08 · Parameter Selection Error