Omron VARISPEED L7 User Manual

7-11
7
EF3
Ext Fault S3
(flashing)
External fault at terminal S3
An external fault was input by a multi-
function input terminal
(S3 to S7) which is programmed for the
external fault function alarm output.
Eliminate the cause of the external
fault condition
EF4
Ext Fault S4
(flashing)
External fault at terminal S4
EF5
Ext Fault S5
(flashing)
External fault at terminal S5
EF6
Ext Fault S6
(flashing)
External fault at terminal S6
EF7
Ext Fault S7
(flashing)
External fault at terminal S7
BUS
Option Com Err
(flashing)
Option Communications Alarm
After initial communication was estab-
lished, the connection was lost.
Connection is broken and/or the master
has stopped the communication.
Check the connections and all user-
side software configurations.
Ext Run Active
Cannot Reset
Detected after a fault when a RESET
command is input while the RUN com-
mand is still active
The RUN command has not been
removed and a RESET command is
input by digital input or by the RESET
button on the digital operator.
Remove the RUN signal first and
reset the error.
Ext Run Active
Cannot Reset
An inverter fault can’t be reset.
The fault was tried to be reset when a
direction signal (Up/Down) was still
active.
Remove the direction signal and
retry to reset the fault.
If the fault reset is handled by a
PLC, check the sequence.
FF_CAL
Feed forward motor acceleration time
active
Motor acceleration time calculation
was activated by setting n5-05 = 1 and
enabling the inspection input
• Perform the complete tuning pro-
cedure
• Abort the tuning by setting
n5-05 = 0.
Table 7.3 Alarm Detection
Display Meaning Probable causes Corrective Actions

Omron VARISPEED L7 Specifications

General

Brand	Omron
Model	VARISPEED L7
Category	Inverter
Language	English