Mitsubishi Electric FR-F820-00046, Instruction Manual

Page: 837 / 940

Protective functions Causes and corrective actions
FR-F800 6 - 25
Operation panel
indication
E.OPT FR-LU08 Option Fault
Name Option fault
Description
Appears when the AC power supply is connected to the terminal R/L1, S/L2, or T/L3
accidentally when a high power factor converter (FR-HC2) or power regeneration common
converter (FR-CV) is connected (when Pr. 30 "Regenerative function selection" = "2").
Appears when the switch for manufacturer setting of the plug-in option is changed.
Appears when a communication option is connected while Pr. 296 "Password lock level" = "0
or 100".
Check point
Check that the AC power supply is not connected to the terminal R/L1, S/L2, or T/L3 when a
high power factor converter (FR-HC2) or power regeneration common converter (FR-CV) is
connected (when Pr. 30 = "2").
Check for the password lock with a setting of Pr. 296 = "0, 100".
Corrective action
Check the Pr. 30 setting and wiring.
The inverter may be damaged if the AC power supply is connected to the terminal R/L1, S/L2,
or T/L3 when a high power factor converter is connected. Please contact your sales
representative.
Set the switch on the plug-in option, which is for manufacturer setting, back to the initial
setting. (Refer to the Instruction Manual of each option.)
To apply the password lock when installing a communication option, set Pr. 296
≠
"0, 100".
(Refer to page 5-76.)
Operation panel
indication
E.OP1 FR-LU08 Option1 Fault
Name Communication option fault
Description The inverter trips if a communication line error occurs in the communication option.
Check point
Check for an incorrect option function setting and operation.
Check that the plug-in option is plugged into the connector properly.
Check for a break in the communication cable.
Check that the terminating resistor is fitted properly.
Corrective action
Check the option function setting, etc.
Connect the plug-in option securely.
Check the connection of communication cable.
Operation panel
indication
E.16 to E.20 to FR-LU08 Fault 16 to Fault 20
Name User definition error by the PLC function
Description
The protective function is activated by setting "16 to 20" in the special register SD1214 for the
PLC function. The inverter trips when the protective function is activated.
The protective function is activated when the PLC function is enabled. This protective function is
not available in the initial setting (Pr. 414 = "0").
Any character string can be displayed on FR-LU08 or FR-PU07 by sequence programs.
Check point Check if "16 to 20" is set in the special register SD1214.
Corrective action
Set a value other than "16 to 20" in the special register SD1214.