Applicable Systems
WJ200
Symptoms
The WJ200 reports a post-restore verification fault. Parameters were restored from backup but failed verification.
Possible Causes
- Backup parameter set is from a different drive model or firmware version
- Backup file was corrupted or incomplete
- Parameter values in the backup are incompatible with the current configuration
Troubleshooting Steps
- Step 1: Verify the backup file matches the drive model and firmware version
Backup is compatible with the current drive - Step 2: If incompatible, manually reconfigure the parameters from the nameplate
Parameters are manually set to correct values - Step 3: Create a new backup after successful parameter configuration
New backup is verified and stored
How to Reset
To reset: Use a compatible backup or reconfigure parameters, then restart.
Source: Hitachi WJ200 Inverter Manual, Hitachi Industrial Equipment
Category: PLC & VFD