Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual page 743

Operation panel
indication
Faults history
24 V external power supply
operation
Backup in progress
Restoration in progress
If faults other than the above appear, contact your sales
representative.
744
6. PROTECTIVE FUNCTIONS
6.4 List of fault displays
Refer
Name to
page
740
764
764
764