Yaskawa GA500 AC Drive
Yaskawa GA500 AC Drive code EP24v: External Power 24V Supply
The main circuit voltage decreased so the backup power supply is running the drive, limiting normal booth operation.
- Code
- EP24v
- Name
- External Power 24V Supply
- Controller
- Yaskawa GA500 AC Drive
- Type
- Power supply
- 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
- 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 EP24v mean?
The main circuit voltage decreased so the backup power supply is running the drive, limiting normal booth operation.
Is Yaskawa GA500 AC Drive code EP24v 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 EP24v?
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
rdEr · Error Reading DatavAEr · Voltage Class, Capacity MismatchvFyE · Parameters do not MatchCPF06 · Control Circuit Error (EEPROM memory DatEr-01 · Motor Data ErrorEr-02 · Drive in an Alarm StateEr-03 · STOP Button was PressedEr-04 · Line-to-Line Resistance ErrorEr-05 · No-Load Current ErrorEr-08 · Rated Slip Error