Yaskawa GA500 AC Drive
Yaskawa GA500 AC Drive code GF: Ground Fault
A ground fault occurred in the motor or wiring, causing the drive to shut down immediately.
Safety first. This code involves a gas, flame or electrical hazard. Do not keep resetting it. Leave burner, gas train and high voltage work to a qualified technician. WERCS answers 24/7 at (877) 489-3727.
- Code
- GF
- Name
- Ground Fault
- Controller
- Yaskawa GA500 AC Drive
- Type
- Ground fault
- What it does
- Fault: the equipment trips and stops
- Risk
- RED Specialist territory
- 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 4 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 Yaskawa GA500 AC Drive code GF mean?
A ground fault occurred in the motor or wiring, causing the drive to shut down immediately.
Is Yaskawa GA500 AC Drive code GF dangerous?
It is graded red, specialist territory: it involves a burner, gas, flame or safety lockout, so leave the repair to a qualified technician.
How do I fix Yaskawa GA500 AC Drive code GF?
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.