Causes and corrective actions
149
6
Others
The fault history and the operation status of the inverter are displayed. It is not a fault.
NOTE
• If faults other than the above appear, contact your sales representative.
Operation panel
indication
E. 1
Name
Option fault
Description
The inverter output is shut off if a plug-in option is disconnected while the converter unit power is ON.
Check point
• Check if a plug-in option is connected.
• Check for excessive noise around the converter unit.
Corrective action
• Disconnect the plug-in option. (Plug-in options cannot be used.)
• Take measures against noise if there are devices producing excess electrical noises around the converter
unit.
If the situation does not improve after taking the above measure, contact your sales representative.
Operation panel
indication
EV
Name
24 V external power supply operation
Description
Blinks when the main circuit power supply is off and the 24 V external power supply is being input.
Check point
Power is supplied from a 24 V external power supply.
Corrective action
• Turning ON the power supply (main circuit) of the converter unit clears the indication.
• If the indication is still displayed after turning ON of the power supply (main circuit) of the converter unit, the
power supply voltage may be low.
Operation panel
indication
SLV.1
Name
Parallel operation slave 1
Description
Appears on the first monitor screen of the slave 1 inverter (
Pr.1001 Parallel operation selection
= "1").
Operation panel
indication
SLV.2
Name
Parallel operation slave 2
Description
Appears on the first monitor screen of the slave 2 inverter (
Pr.1001 Parallel operation selection
= "2").
Содержание FR-CC2-P
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