Mitsubishi Electric FR-E700 Instruction Manual page 542

Causes and corrective actions
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Corrective action
This fault is only available for the frequency inverter FR-E700 SC EC.
7 - 14
E.OPT
Option fault
Appears when a communication option is connected while Pr. 296 = "0 or 100."
Check if password lock is activated by setting Pr. 296 = "0, 100"
To apply the password lock when installing a communication option, set Pr. 296 not equal to
"0,100".
If the problem still persists after taking the above measure, please contact your sales
representative.
E.OP1
Communication option fault
Stops the inverter output when a communication line fault occurs in the communication option.
Check for a wrong option function setting and operation.
Check that the plug-in option unit is plugged into the connector securely.
Check for a break in the communication cable.
Check that the terminating resistor is fitted properly.
Check the option function setting, etc.
Connect the plug-in option securely.
Check the connection of communication cable.
Connect the terminating resistor correctly.
FR-PU04
Option Fault
FR-PU07
FR-PU04
Option slot alarm 1
FR-PU07
Troubleshooting