MSD-FAC / MSD-Idif - Internal measurement comparison error

What does MSD-FAC, MSD-Idif mean?

The internal measured values from the BFR and SRR redundant processor control systems are too different from each other, indicating a measurement error within the inverter. This is a disturbance message.

• Internal inverter malfunction
• Measurement discrepancies within the control system.

Click steps to track your progress.

1. 1

   Record the exact error message displayed.

2. 2

   Perform a system power cycle: turn off DC, then AC, wait a few minutes, then turn on AC, then DC.

3. 3

   If the error persists after the power cycle, contact SMA America for assistance.