Filter
Top Products
201
Causes and corrective actions
6
TROUBLESHOOTING
Operation Panel
Indication
E.OPT
Name
Option fault
Description
Appears when a node address is set out of the setting range (other than 1 to 64). Also appears when the node
address is set improperly.
Appears when Pr.296 Password lock level ="0 or 100."
Check point
Check if the node address is set within the range of 1 to 64.
Check if the node address switch is set between numbers.
Check if "0 or 100" is set in Pr. 296.
Corrective action
Set the node address within the range of 1 to 64.
(Refer to page 46).
Set the node address switch to the switch number position correctly.
(Refer to page 46).
Set Pr.296 ≠ "0 or 100" for the password lock.
If the problem still persists after taking the above measure, please contact your sales representative.
Operation panel
indication
E. 1
Name
Option fault
Description
Inverter output is stopped if there is excess electrical noise around the inverter or in other conditions.
Appears when the setting of the master is incorrect.
Check point
Check for excess electrical noises around the inverter.
Check if a protocol other than FL remote protocol is selected. Also check if the number of words in the
transmission/receive area is set to "0."
Corrective action
Take measures against noises if there are devices producing excess electrical noises around the inverter.
Select FL remote protocol. Set an appropriate number of words for the transmission/receive area. (Refer to page 54
for the setting for the transmission/receive area.)
If the problem still persists after taking the above measure, please contact your sales representative.
Operation panel
indication
E.PE
Name
Parameter storage device fault (control circuit board)
Description
Stops the inverter output if fault occurred in the parameter stored. (EEPROM fault)
Check point
Check for too many number of parameter write times.
Corrective action
Please contact your sales representative.
Operation Panel
Indication
E.PE2
Name
Internal board fault
Description
When a combination of control board and main circuit board is wrong, the inverter is tripped.
Check point
—
Corrective action
Please contact your sales representative.
(For parts replacement, consult the nearest Mitsubishi FA Center.)
Operation panel
indication
E.RET
Name
Retry count excess
Description
If operation cannot be resumed properly within the number of retries set, this function trips the inverter.
The indication is available only when Pr. 67 Number of retries at fault occurrence is set.
When the initial value (Pr. 67 = "0") is set, this protective function is not available.
Check point
Find the cause of fault occurrence.
Corrective action Eliminate the cause of the error preceding this error indication.