Yaskawa GA500 AC Drive
Yaskawa GA500 AC Drive code CPEr: Control Mode Mismatch
The keypad and drive settings do not agree during backup, which prevents the parameters from being saved.
- Code
- CPEr
- Name
- Control Mode Mismatch
- Controller
- Yaskawa GA500 AC Drive
- Type
- Setup or parameter 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 CPEr mean?
The keypad and drive settings do not agree during backup, which prevents the parameters from being saved.
Is Yaskawa GA500 AC Drive code CPEr 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 CPEr?
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
oL7 · High Slip Braking OverloadoPr · Keypad Connection FaultrUn · Motor Switch during RunCALL · Serial Comm Transmission ErrorCPyE · Error Writing DataCSEr · Control Mode MismatchCrST · Cannot ResetCyPo · Cycle Power to Accept ChangesEnd1 · Excessive Rated Voltage SettingEnd2 · Iron Core Saturation Coefficient