Operation panel lock
Operation Panel Lock
Mitsubishi Electric · FR-D700 Basic Inverter
What does Operation panel lock mean?
An attempt was made to operate the inverter while the operation panel was in a locked state, preventing parameter changes or control actions. This is often a security or accidental lockout feature designed to prevent unauthorized modifications. The inverter will not respond to panel inputs until unlocked.
Complete Troubleshooting Guide
- 1
Press the [SET] key for at least 2 seconds to release the operation panel lock.