RAM Fault

Was bedeutet CPF11 ?

A fault was detected in the drive's Random Access Memory (RAM), which is used for temporary data storage during operation. This can lead to unstable drive performance.

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1. 1

   Verify supply voltage at the drive's input terminals (L1, L2, L3) for stability and conformity to drive specifications.

2. 2

   Inspect the drive's operating environment, ensuring proper ventilation and that the ambient temperature is within specified limits.

3. 3

   Check the drive's firmware version and verify it is the latest recommended version for the application from Yaskawa.

4. 4

   Perform a controlled power cycle of the drive, removing main power for at least 30 seconds before reapplying.