Mitsubishi Electric FR-CC2-P Instruction Manual page 150

Operation panel
indication
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 if a plug-in option is connected.
Check point
• Check for excessive noise around the converter unit.
• 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
Corrective action
Others
The fault history and the operation status of the inverter are displayed. It is not a fault.
Operation panel
indication
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.
• Turning ON the power supply (main circuit) of the converter unit clears the indication.
Corrective action
• If the indication is still displayed after turning ON of the power supply (main circuit) of the converter unit, the
Operation panel
indication
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
Name
Parallel operation slave 2
Description
Appears on the first monitor screen of the slave 2 inverter (Pr.1001 Parallel operation selection = "2").
NOTE
• If faults other than the above appear, contact your sales representative.
E. 1
unit.
If the situation does not improve after taking the above measure, contact your sales representative.
EV
power supply voltage may be low.
SLV.1
SLV.2
Causes and corrective actions
PROTECTIVE FUNCTIONS
6
149