Cause : Memory error comes when problem with the drive's internal memory. This could be due to various reasons, including hardware failure, software corruption, or power supply issues.

"er1" fault in Fuji FRENIC-VG drive indicate "Memory error". a problem with the drive's internal memory. This could involve issues with storing or retrieving parameter settings, system configurations, or firmware. Memory errors can affect the drive's ability to function correctly and may prevent it from operating.

Troubleshooting Steps:

1. Reset the Drive:

   • Power cycle the drive by turning it off and then back on after a few minutes. Sometimes, a simple reset can clear temporary memory issues.

2. Check for Firmware Updates:

   • Verify if there are any firmware updates available for the drive. Updating to the latest firmware can sometimes resolve memory-related issues.
   • Follow the manufacturer's guidelines carefully when updating firmware to avoid introducing new errors.

3. Restore Factory Settings:

   • If the drive allows, you can try restoring the drive to its factory default settings. This can sometimes clear any corruption in the memory. Be sure to back up any critical parameter settings before doing this.
   • The procedure to restore factory settings is typically detailed in the drive's manual.

4. Re-enter Parameters Manually:

   • If you suspect that the memory corruption affects specific settings, you can manually re-enter or reload the drive parameters from a backup.

5. Inspect the Control Board:

   • If possible, inspect the drive's control board for any visible signs of damage or wear, such as burnt components, which could affect the memory.