Mitsubishi FR-A800

(E) Environment setting parameters
262
PARAMETERS
5.7.6 Display-off mode
• If the operation panel has not been operated for the time set in Pr.1048, the display-off mode is enabled and its LED is
turned OFF.
• In the display-off mode, the "MON" LED flickers slowly.
• The count to display off is reset at installation/removal of the operation panel, power-ON/OFF of the inverter, or inverter
reset.
• Display-off mode end condition
- Operation of the operation panel
- Occurrence of a warning, alarm, or fault
- Installation/removal of the operation panel, power-ON/OFF of the inverter, or inverter reset
- Connection/disconnection of the USB A connector
NOTE
• The "P.RUN" LED is on in the display-off mode (when the PLC function is operating).
5.7.7 Resetting USB host errors
• Parameter copy (refer to page 632) and the trace function (refer to page 547) can be used when a USB device (such as a
USB memory) is connected to the USB connector (connector A).
• When a device such as a USB charger is connected to the USB connector and an excessive current (500 mA or higher)
flows, USB host error (UF warning) is displayed on the operation panel.
• If a UF warning occurs, disconnect the USB device and set Pr.1049="1" to cancel the USB error. (The UF warning can also
be canceled by resetting the inverter power or resetting with the RES signal.)
The LED of the operation panel (FR-DU08) can be turned OFF when it has not been operated for a certain period of
time.
Pr. Name Initial value Setting range Description
1048
E106
Display-off waiting time
0
0 Display-off mode disabled
1 to 60 min
Set time until the LED of the operation
panel is turned OFF.
When a USB device is connected to the USB connector (connector A), the USB host error can be canceled without
performing an inverter reset.
Pr. Name Initial value Setting range Description
1049
E110
USB host reset
0
0 Read only
1 Resets the USB host.