Parameter storage device fault
Parameter Storage Device Fault
Mitsubishi Electric · FR-D700 Basic Inverter
What does Parameter storage device fault mean?
The component responsible for storing parameters (typically on the control circuit board) has become abnormal, indicating a potential hardware or firmware issue. This fault can lead to incorrect operation, loss of configured settings, or general system instability. Unresolved, it risks unpredictable behavior or complete system failure.
Complete Troubleshooting Guide
- 1
Contact your sales representative for diagnosis, repair, or replacement of the control circuit board.
- 2
If performing frequent parameter writes via communication, set Pr. 342 to '1' to enable RAM write; however, note that these changes are volatile and will be lost upon powering off the inverter.