Yaskawa GA500 AC Drive
Yaskawa GA500 AC Drive code iFEr: Keypad Communication Error
A communications error occurred between the keypad and the drive, preventing manual control of the booth equipment.
- Code
- iFEr
- Name
- Keypad Communication Error
- Controller
- Yaskawa GA500 AC Drive
- Type
- Communication
- 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
- 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 iFEr mean?
A communications error occurred between the keypad and the drive, preventing manual control of the booth equipment.
Is Yaskawa GA500 AC Drive code iFEr 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 iFEr?
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
dWF1 · EEPROM Memory DWEZ Data ErrordWF2 · DriveWorksEZ Fault 2dWF3 · DriveWorksEZ Fault 3dWFL · DriveWorksEZ FaultndAT · Error Received DatardEr · Error Reading DatavAEr · Voltage Class, Capacity MismatchvFyE · Parameters do not MatchCPF06 · Control Circuit Error (EEPROM memory DatEP24v · External Power 24V Supply