Mitsubishi Electric FR-A701 Instrucion Manual page 157

Causes and corrective actions
Operation Panel
Indication
Name
Description
Check point
Corrective action
Operation Panel
Indication
Name
Description
Check point
Corrective action
Operation Panel
Indication
Name
Description
Check point
Corrective action
Operation Panel
Indication
Name
Description
Check point
Corrective action
Operation Panel
Indication
Name
Description
Check point
Corrective action
150
E.OPT
Option alarm
Appears when torque command by the plug-in option is selected using Pr. 804 Torque command source
selection and no plug-in option is mounted.
Appears when the switch for the manufacturer setting of the plug-in option is changed.
· Check that the plug-in option for torque command setting is connected.
· Check for connection of the plug-in option. Check the Pr. 804 Torque command source selection setting.
· Return the switch for the manufacturer setting of the plug-in option to the initial status. (Refer to
instruction manual of each option)
E.OP3
Communication option alarm
Stops the inverter output when a communication line error occurs in the communication option.
· Check for a wrong option function setting and operation.
· Check that the plug-in option 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.
E. 1 to
E. 3
Option fault
Stops the inverter output if a contact faullt, etc. of the connector between the inverter and plug-in option
occurs or if a communication option is fitted to the connector 1 or 2.
Appears when the switch for the manufacturer setting of the plug-in option is changed.
1. Check that the plug-in option is plugged into the connector securely.
(1 to 3 indicate the option connector numbers.)
2. Check for excess electrical noises around the inverter.
3. Check that the communication option is not fitted to the connector 1 or 2.
1. Connect the plug-in option securely.
2. Take measures against noises if there are devices producing excess electrical noises around the inverter.
If the problem still persists after taking the above measure, please contact your sales representative or
distributor.
3. Fit the communication option to the connector 3.
4. Return the switch for the manufacturer setting of the plug-in option to the initial status. (Refer to
instruction manual of each option)
E.PE
Parameter storage device fault (control circuit board)
Stops the inverter output if fault occurred in the parameter stored. (EEPROM failure)
Check for too many number of parameter write times.
Please contact your sales representative.
When performing parameter write frequently for communication purposes, set "1" in Pr. 342 to enable
RAM write. Note that powering off returns the inverter to the status before RAM write.
E.PE2
Parameter storage device fault (main circuit board)
Stops the inverter output if fault occurred in the parameter stored. (EEPROM failure)
——————
Please contact your sales representative.
FR-PU04
Option Fault
FR-PU07
FR-PU04
Option 3 Fault
FR-PU07
to
FR-PU04
Fault 1 to Fault 3
FR-PU07
FR-PU04
Corrupt Memry
FR-PU07
FR-PU04 Fault 14
FR-PU07 PR storage alarm