When a message regarding operational troubles is displayed, output is not shut off.
Table 1. Operation Panel Lock
| Operation Panel Indication |
HOLD |
| Description |
Operation lock mode is set. Operation other than
STOP/RESET is invalid. |
| Check
Point |
-------------- |
| Corrective Action |
Press MODE for 2s to release
lock. |
Table 2. Password Locked
| Operation Panel Indication |
LOCD |
| Description |
Password function is active. Display and setting of parameter
is restricted. |
| Check
point |
-------------- |
| Corrective action |
Enter the password in P.297 to unlock the password function
before operating. |
Table 3. Write Disable Error
| Operation Panel Indication |
Er1 |
| Description |
- You attempted to make parameter setting when P. 77 has been set
to disable parameter write.
- Frequency jump setting range overlapped.
- The PU and VFD cannot make normal communication.
|
| Check
point |
- Check the setting of P. 77.
- Check the settings of P. 31 to P. 36.
- Check the connection of the PU and VFD.
|
Table 4. Write Error During Operation
| Operation Panel Indication |
Er2 |
| Description |
When parameter write was performed during operation with P.
77 set to other than 2 (writing is enabled independently of operation
status in any operation mode) and the SD terminal is connected to either
the STF or STR terminal. |
| Check
Point |
- Check the P. 77 setting.
- Check that the VFD is not operating.
|
| Corrective Action |
- Set the value of P. 77 to 2.
- After stopping operation, set the parameter.
|
Table 5. Calibration Error
| Operation Panel Indication |
Er3 |
| Description |
Analog input bias and gain calibration settings are too
close. |
| Check
Point |
Check the settings of C 3, C 4, C 6, and C 7. |
Table 6. Mode Designation Error
| Operation Panel Indication |
Er4 |
| Description |
- Appears if a parameter setting is attempted in the External or
NET operation mode with P. 77 set to other than 2.
- Appears if a parameter setting is attempted when the command
source is not at the operation panel.
|
| Check
Point |
- Check that operation mode is PU operation mode.
- Check the P. 77 setting.
|
| Corrective Action |
- After setting the operation mode to the PU operation mode, set
the parameter.
- After setting P. 77 to 2, set the parameter.
|
Table 7. VFD Reset
| Operation Panel Indication |
Err. |
| Description |
- Executing reset using RES signal, or reset command from
communication or PU
- Displays at powering OFF.
|
| Corrective Action |
- Turn OFF the reset command.
|