Brand: Panasonic
Category: Industrial Automation Equipment
Document Type: Manual
Language: EN
Manual for VF0 Series
Uploaded: April 20, 2026, 8 p.m.
Warranty Information
None
- Ensure the unit is installed on a non-combustible surface, away from flammable materials.
- Always confirm power is OFF before wiring and connect the ground wire. Wiring should be done by a qualified technician.
- Do not connect AC power to output terminals. Match power supply voltage to the product's rated voltage and tighten terminal screws to the specified torque.
- Close the terminal cover before turning ON the input power. Do not operate switches with wet hands or touch inverter terminals when power is ON. The STOP button is not for emergency stops.
- Allow heat sink fins and brake resistors to cool before touching. Confirm motor and machine tolerance ranges before operation.
- Wait at least five minutes after turning OFF power before inspection or maintenance.
- Never modify the unit.
Troubleshooting and error codes
| Display | Details and cause of faults | Remedies |
|---|---|---|
| AU | An auxiliary stop signal was input from control circuit terminal | Check the sequence circuit to confirm that the auxiliary stop signal is correct. |
| OP | The power was turned ON while the run signal was ON The run signal was turned ON while setting data in the stopped mode, or the mode was returned to the operation mode with the MODE button |
Check the power loss start mode (parameter P48) Check the run signal when the data is being set |
| CPU | Excessive noise was applied on the inverter | Reduce the noise around the inverter |