Yaskawa GA500 AC Drive
Yaskawa GA500 AC Drive code PWEr: DWEZ Password Mismatch
The password entered for the backup operation is incorrect, which prevents the drive from saving the parameters.
- Code
- PWEr
- Name
- DWEZ Password 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 PWEr mean?
The password entered for the backup operation is incorrect, which prevents the drive from saving the parameters.
Is Yaskawa GA500 AC Drive code PWEr 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 PWEr?
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
LT-2 · Capacitor Maintenance TimeLT-3 · SoftChargeBypassRelay MainteTimeLT-4 · IGBT Maintenance Time (50%)PASS · Modbus Communication TestSToF · Safe Torque OFF HardwareTrPC · IGBT Maintenance Time (90%)dCE1 · Communication Error1dCE2 · Communication Error2dFPS · Drive Model MismatchdWF1 · EEPROM Memory DWEZ Data Error