CHECK FIRST WHEN YOU HAVE TROUBLE
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4
4
CHECK FIRST WHEN YOU HAVE TROUBLE
4.1 Troubleshooting
If a fault occurs and the product fails to operate properly, locate the cause of the fault and take proper corrective action by
referring to the troubleshooting table below. Contact your local sales representative if the corresponding information is not
found in the table, the inverter has problem, or the component parts are damaged.
Status
Possible causes
Check point
Corrective action
The LCD or backlight of the
operation panel is OFF.
Connection fault of the operation
panel
Check that the operation panel is
properly connected.
Check that the PU cable is fully
inserted into the PU connector.
Check the connection of the
operation panel and the PU
cable.
The setting of
Pr.991 PU
contrast adjustment
has
changed from the initial value.
Check the
Pr.991
setting.
Using the FR-DU08(-01), return
the setting of
Pr.991
to the initial
value.
During inverter reset, the
following screen remains.
Connection fault of the operation
panel
Check that the operation panel is
properly connected.
Check that the PU cable is fully
inserted into the PU connector.
Check the connection of the
operation panel and the PU
cable.
The RES signal is ON.
Check the terminal RES.
Turn OFF the terminal RES.
Ready
PU to Inverter
Comms, Error
INV. Reset ON
Содержание FR-LU08
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