PS
PU stop
Mitsubishi Electric · Mitsubishi FR-E800 Variable Frequency Drive
What does PS mean?
This indication means the motor has been stopped either by pressing the STOP/RESET key (when enabled in modes other than PU operation via Pr.75) or by the emergency stop function. It signifies a deliberate or emergency shutdown of the motor's operation.
Common Causes
- External stop signal received from the operator panel (PU).
- Stop command issued from the human-machine interface.
- PU unit disconnected or in a fault state.
Repair Steps & Checklist
Click steps to track your progress.
- 1
If stopped by the STOP/RESET key, turn OFF the start signal and press the PU/EXT key to release the stop.
- 2
If stopped by an emergency function (indicated by the X92 signal being OFF), turn ON the X92 signal and turn OFF the start signal for release.
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi FR-E800 Variable Frequency Drive